{"id":5667,"date":"2025-09-26T20:32:20","date_gmt":"2025-09-26T20:32:20","guid":{"rendered":"https:\/\/www.hostarmada.com\/blog\/?p=5667"},"modified":"2026-01-11T22:15:01","modified_gmt":"2026-01-11T22:15:01","slug":"413-error","status":"publish","type":"post","link":"https:\/\/www.hostarmada.com\/blog\/413-error\/","title":{"rendered":"What Is The 413 Error &#8220;Request Entity Too Large&#8221; and How To Fix It?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A 413 Request Entity Too Large error appears when a server refuses to process a request because the data being sent exceeds its configured limits. For website owners and developers, a 413 error can block legitimate user actions, interrupt workflows, and cause uploads to fail without clear explanations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike errors caused by permissions or routing issues, a 413 response is triggered by size restrictions designed to protect server resources and maintain performance. These limits exist at multiple layers, including the web server, application, and any reverse proxies in between. Fixing the error is not about removing limits entirely, but about understanding where they are enforced and adjusting them safely for your specific use case.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This article explains what causes a 413 error, where to check size limits, and how to resolve the issue without compromising stability or security.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #565656;color:#565656\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #565656;color:#565656\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#What_Is_the_413_Error_%E2%80%9CRequest_Entity_Too_Large%E2%80%9D\" >What Is the 413 Error &#8220;Request Entity Too Large&#8221;?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#How_the_413_Error_Affects_SEO_and_User_Experience\" >How the 413 Error Affects SEO and User Experience<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#Common_Causes_of_the_413_Error\" >Common Causes of the 413 Error<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#Start_Here_Identify_the_Source_of_the_413_Error\" >Start Here: Identify the Source of the 413 Error<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#How_to_Fix_the_413_Request_Entity_Too_Large_Error\" >How to Fix the 413 Request Entity Too Large Error<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#Preventing_the_413_Error_in_the_Future\" >Preventing the 413 Error in the Future<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#Preventing_413_Request_Entity_Too_Large_Errors\" >Preventing 413 Request Entity Too Large Errors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#Why_the_Right_Hosting_Partner_Keeps_Upload_Errors_Away\" >Why the Right Hosting Partner Keeps Upload Errors Away<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-413-error-request-entity-too-large\"><span class=\"ez-toc-section\" id=\"What_Is_the_413_Error_%E2%80%9CRequest_Entity_Too_Large%E2%80%9D\"><\/span>What Is the 413 Error &#8220;Request Entity Too Large&#8221;?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The 413 Request Entity Too Large error is an HTTP response code that indicates the server is refusing to process a request because its size exceeds an allowed limit. In simple terms, the server understands the request but rejects it because too much data is being sent at once.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This error most commonly occurs during file uploads, large form submissions, API requests, or when sending media files such as images or videos. The limit can be enforced at different points in the request path, including the web server, application, or a reverse proxy sitting in front of the server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Technically, the 413 error belongs to the family of <a href=\"https:\/\/www.hostarmada.com\/blog\/troubleshooting-common-http-and-browser-errors\/\">common HTTP errors<\/a>. It&#8217;s categorized under the 4xx series, which usually signals that the issue lies in the request sent from the client side. However, a 413 error does not mean the request is malformed or unauthorized. It means the request size violates predefined constraints meant to protect server performance, memory usage, and stability. When these limits are reached, the server responds immediately with a 413 status instead of attempting to process the data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding this distinction is important because resolving a 413 error requires adjusting size limits appropriately rather than troubleshooting permissions, routing, or authentication issues.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_the_413_Error_Affects_SEO_and_User_Experience\"><\/span>How the 413 Error Affects SEO and User Experience<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A 413 Request Entity Too Large error can disrupt both user interactions and backend workflows. When file uploads or form submissions fail without clear feedback, users may abandon tasks or assume the website is broken. This is especially problematic for contact forms, account creation, media uploads, and e-commerce processes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For site administrators, a 413 error can break internal workflows such as content publishing, media management, and backups, slowing down routine operations and increasing support overhead. While a 413 error does not directly affect search rankings, repeated failed actions and poor user experience can indirectly impact SEO through lower engagement, reduced conversions, and incomplete content updates.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-causes-of-the-413-error\"><span class=\"ez-toc-section\" id=\"Common_Causes_of_the_413_Error\"><\/span>Common Causes of the 413 Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The 413 error looks like a single problem, yet the source of the block can live in different layers. Size rules exist in PHP, in the web server, and in security tools. When a limit is tight, the request hits a wall. That is why the same upload can fail on one setup and work on another. Many folks call it an upload limit error, which is a fair description.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-uploads-that-exceed-server-limits\">Uploads that exceed server limits<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Large videos, image galleries, backups, and CSV imports add up fast. If the file is bigger than the allowed size, the 413 error fires. Think of the server like a doorway. A bulky box will not pass until you trim it down or find a wider door. Backups and media libraries trigger this most often.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-web-server-configuration-issues-apache-or-nginx\">Web server configuration issues (Apache or Nginx)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each server has its own setting for request size.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nginx uses client_max_body_size.<\/li>\n\n\n\n<li>Apache can enforce LimitRequestBody.<\/li>\n\n\n\n<li>If these values are small, even a modest upload will fail with an upload limit error. Hosts sometimes keep conservative defaults for safety.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-php-configuration-settings\">PHP configuration settings<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PHP controls how big a request can be and how much data it will process. Two values matter most:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>upload_max_filesize<\/li>\n\n\n\n<li>post_max_size<\/li>\n\n\n\n<li>If either sits below your file size, the 413 error appears. A mismatch also breaks uploads. For example, if post_max_size is smaller than upload_max_filesize, PHP still rejects the request.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cms-specific-limits-wordpress-and-others\">CMS-specific limits (WordPress and others)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Import tools, theme installers, and media handlers often have their own caps. A WordPress importer might allow 10 MB while your server allows 128 MB. The smaller cap wins. This feels like a server problem, yet the blocker sits inside the app.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-security-or-proxy-filters-waf-cdn-reverse-proxy\">Security or proxy filters (WAF, CDN, reverse proxy)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Firewalls and CDNs protect sites from abuse. Some rules block large requests by design. If a proxy decides the payload is risky or too heavy, it stops the transfer. That can look like a 413 error, even when PHP and the server would have accepted it. Authentication or access controls can also step in, similar in spirit to issues that cause a <a href=\"https:\/\/www.hostarmada.com\/blog\/how-to-fix-http-error-400-bad-request\/\">400 error code<\/a> or problems covered in <a href=\"https:\/\/www.hostarmada.com\/blog\/how-to-fix-401-unauthorized-error\/\">how to fix 401 unauthorized error<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When you know which layer enforces the limit, you know where to work. From here, relief comes from raising the right cap or choosing a smarter upload path.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Start_Here_Identify_the_Source_of_the_413_Error\"><\/span>Start Here: Identify the Source of the 413 Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before applying any fixes, it\u2019s important to determine <strong>where the request size limit is being enforced<\/strong>. A 413 error can originate from multiple layers, and changing the wrong one often does nothing.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Identify where the limit is enforced<\/strong><br>Determine whether the restriction is coming from the browser, the application (CMS or framework), the web server, or an upstream proxy such as Nginx, a load balancer, or CDN.<\/li>\n\n\n\n<li><strong>Check error logs<\/strong><br>Review server, application, and proxy logs for messages related to request size limits. Logs usually indicate which component rejected the request and why.<\/li>\n\n\n\n<li><strong>Apply the fix at the correct layer<\/strong><br>Increase limits only where the error originates. Avoid changing multiple layers blindly, as this can introduce security or performance issues without resolving the problem.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Following this order helps isolate the cause quickly and ensures that changes are targeted, effective, and safe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How to Diagnose a 413 Error Using Logs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Logs are the most reliable way to identify where a 413 error is being triggered. They reveal which component rejected the request and which limit was exceeded.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nginx<\/strong><br>Look for messages such as <code>client intended to send too large body<\/code>, which indicate that the request exceeded the <code>client_max_body_size<\/code> limit.<\/li>\n\n\n\n<li><strong>Apache<\/strong><br>Errors related to request size limits or request body restrictions often point to configuration directives or modules enforcing size constraints.<\/li>\n\n\n\n<li><strong>PHP<\/strong><br>Warnings about <code>upload_max_filesize<\/code> or <code>post_max_size<\/code> indicate that the application layer rejected the request before it reached the web server.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Because request size limits can exist at multiple layers, logs help pinpoint the exact source of the error. This prevents unnecessary changes and ensures the fix is applied at the correct level.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-fix-the-413-request-entity-too-large-error\"><span class=\"ez-toc-section\" id=\"How_to_Fix_the_413_Request_Entity_Too_Large_Error\"><\/span>How to Fix the 413 Request Entity Too Large Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When an upload blocks your launch, you need relief fast. The 413 error is telling you the request is bigger than the current rules allow. Start with simple visitor-side checks, then raise limits or change the path on the owner side.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fixes-for-visitors\">Fixes for visitors<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">These steps help when the upload limit error comes from the size of your file or a bloated session.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Compress the file.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Reduce resolution or bitrate for videos. Export images at web size. Zip CSVs before uploading.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Split the file.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Break big archives into parts if the site supports multi-part or chunked uploads.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Try the site&#8217;s alternate uploader.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many apps provide an import tool that uploads in chunks. It often sails past the 413 error.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Switch context.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Use another browser profile, clear cache and cookies, or try a different network to rule out session issues.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Check HTTPS warnings.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If the browser complains about certificates or TLS while you troubleshoot uploads, this guide on <a href=\"https:\/\/www.hostarmada.com\/blog\/this-site-cant-provide-a-secure-connection\/\">this site can&#8217;t provide a secure connection<\/a> helps you rule out SSL noise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If none of this budges the wall, the limit probably lives on the server. That is where owners step in.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fixes-for-website-owners\">Fixes for website owners<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your goal is simple: align the rules with real-world files, or choose a path that avoids the size cap. The phrases below show exactly how to fix 413 request entity too large without turning this into guesswork.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-increase-php-limits\">1) Increase PHP limits<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Raise the two caps PHP enforces. Keep them consistent.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>upload_max_filesize controls the single file size.<\/li>\n\n\n\n<li>post_max_size must be at least as large as upload_max_filesize.<\/li>\n\n\n\n<li>Common starting points: 64 MB for images and plugins, 128 MB for media, 256 MB for backups.<\/li>\n\n\n\n<li>Reload or restart your PHP handler after changes.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This alone can fix 413 request entity too large in many WordPress and PHP apps.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-adjust-web-server-limits\">2) Adjust web server limits<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Your web server may set its own ceiling on request size.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nginx:<\/strong> set client_max_body_size 128M; in the right context, then reload Nginx.<\/li>\n\n\n\n<li><strong>Apache:<\/strong> tune LimitRequestBody in the relevant &lt;Directory&gt; or &lt;Location&gt; block, then restart Apache.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Move in sensible steps. If edits trigger unrelated errors, this primer on <a href=\"https:\/\/www.hostarmada.com\/blog\/500-internal-server-error-reasons\/\">500 internal server error reasons<\/a> explains how misconfigurations bubble up.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-wordpress-specific-paths\">3) WordPress-specific paths<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dashboards often display the current limit. They rarely override it.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Media screen reflects PHP values. Adjust PHP and the number updates.<\/li>\n\n\n\n<li>Import tools may have their own caps. Choose importers that support chunked uploads.<\/li>\n\n\n\n<li>For massive files, fix 413 request entity too large by skipping HTTP upload entirely.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-bypass-http-for-big-files\">4) Bypass HTTP for big files<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Move the file by SFTP or your host&#8217;s file manager, then point the app at the server path.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Upload to wp-content\/uploads or a temporary directory.<\/li>\n\n\n\n<li>For restores, place the archive where the tool expects it, then run the restore from the panel.<\/li>\n\n\n\n<li>If the connection drops or refuses, symptoms resemble those in <a href=\"https:\/\/www.hostarmada.com\/blog\/err-connection-refused\/\">err connection refused<\/a>. Tackle the network path before retrying.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This route avoids the upload limit error because the file never travels through the web request.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-5-relax-waf-cdn-or-proxy-size-rules\">5) Relax WAF, CDN, or proxy size rules<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Security layers also cap body size.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increase the max body size for admin paths, media endpoints, or import URLs.<\/li>\n\n\n\n<li>Allowlist known sources, like your office IP, during scheduled imports.<\/li>\n\n\n\n<li>Ensure the TLS proxy does not truncate large POST bodies.<\/li>\n\n\n\n<li>Document the change so future deploys do not reset it.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-6-operational-tips-that-save-hours\">6) Operational tips that save hours<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Change limits where the traffic actually lands. Staging and production may use different stacks.<\/li>\n\n\n\n<li>Keep post_max_size and upload_max_filesize in sync to prevent a silent 413 error.<\/li>\n\n\n\n<li>Log the exact blocker. Web server logs, PHP errors, and WAF dashboards point to the right layer.<\/li>\n\n\n\n<li>After raising limits, test with a known large file and record the new ceiling.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Raising caps solves today&#8217;s block. Long-term stability stems from selecting sensible defaults, utilizing chunked methods for intensive tasks, and monitoring changes after updates or migrations. That is where prevention pays off.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-preventing-the-413-error-in-the-future\"><span class=\"ez-toc-section\" id=\"Preventing_the_413_Error_in_the_Future\"><\/span>Preventing the 413 Error in the Future<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The calm you want comes from never hitting the wall in the first place. Set limits that match real life, then make uploads work with your workflows. That way, the 413 error stays a rare guest, not a launch-day surprise.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-set-practical-default-limits\">Set Practical Default Limits<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One of the easiest ways to avoid an upload limit error is to size your limits for the kind of files you handle most often. Small WordPress blogs can live happily with 32 MB\u201364 MB. A media-heavy e-commerce store may require 128 MB for everyday tasks, while agencies working with full-site backups should increase the limits to 256 MB\u2013512 MB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Think of it like stocking a fridge: if you run a caf\u00e9, you need more space than someone who makes coffee at home. We\u2019ve seen teams spend hours debugging a failed 150 MB video upload, only to discover that the server limit was still set at the default 8 MB.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-prefer-chunked-uploads\">Prefer Chunked Uploads<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Big files don\u2019t always need bigger limits. Sometimes the smarter move is breaking them down. Chunked uploads split large files into smaller pieces and send them in sequence. Many CMS tools, CDNs, and modern plugins already support this method.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Imagine sending moving boxes instead of trying to carry a whole couch through a narrow doorway. It\u2019s lighter, faster, and far less likely to jam. I\u2019ve worked with sites importing product catalogs where chunked CSV uploads cut failure rates to almost zero.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-document-the-rules-for-everyone\">Document the Rules for Everyone<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s surprising how often developers know the upload caps, but the marketing team or content creators don\u2019t. Without that knowledge, someone always tries to push a huge file through and hits the 413 error.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A simple one-pager pinned in Slack or your project management tool can save the day. List the current limits, who can change them, and the fallback methods (like SFTP). Once, a client\u2019s designer kept sending 40 MB TIFF images. After we shared the policy \u201cMax 10 MB, please compress,\u201d the errors disappeared overnight.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-monitor-after-updates-and-migrations\">Monitor After Updates and Migrations<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Even if you\u2019ve tuned everything perfectly, limits sometimes reset during upgrades or hosting moves. After every migration or major update, check upload_max_filesize, post_max_size, and the server\u2019s request size limit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Treat it like checking your bags after a flight. We once witnessed a team switch hosts, only to realize their 256 MB cap had quietly dropped back to 8 MB. The first time they tried to restore a backup, the site went down. Testing with a known large file after changes keeps surprises away.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-balance-resources-before-raising-ceilings\">Balance Resources Before Raising Ceilings<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lifting limits without checking server capacity can cause new problems. Larger uploads need more memory and processing time. If the environment can\u2019t handle it, you risk instability, 502 gateway errors, or even downtime resembling a <a href=\"https:\/\/www.hostarmada.com\/blog\/fix-503-service-unavailable-error\/\">503 error<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Think of it like widening a highway without adding more lanes at the exit. The bottleneck just moves downstream. When I raised limits on a low-memory VPS for a client, the server started choking on backup restores. The fix wasn\u2019t bigger limits. It was upgrading resources.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-stage-heavy-files-outside-http\">Stage Heavy Files Outside HTTP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When files are too big for web uploads, skip the bottleneck entirely. Upload backups, videos, or archives directly over SFTP or your host\u2019s file manager. Once the file is on the server, point the restore tool or CMS to it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This method quietly fixes 413 request entity too large because the upload never goes through HTTP at all. We\u2019ve used this approach many times during site migrations. Uploading a 2 GB archive over SFTP was painless, while HTTP choked after a few hundred MB.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-track-config-in-version-control\">Track Config in Version Control<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, treat your server and PHP configs like code. Keep them in version control so you can track changes and avoid regressions. This way, if an update wipes out your tweaks, you\u2019ll know exactly what needs to be restored.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s a small step, but it keeps consistency across staging, production, and new environments. Agencies waste days asking \u201cwhy did uploads start failing?\u201d only to discover an unnoticed config reset. Git makes those mysteries disappear.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With habits like these, you prevent the 413 error from cutting into launches and campaigns. The final piece is the environment itself. The place where limits, resources, and support line up without a fight.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Preventing_413_Request_Entity_Too_Large_Errors\"><\/span>Preventing 413 Request Entity Too Large Errors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A 413 error is best treated as a signal that request size limits are working, but may not be aligned with real usage. While increasing limits can resolve immediate failures, long-term prevention depends on setting boundaries that balance functionality and server stability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start by <strong>setting reasonable upload and request limits<\/strong>. Limits should be high enough to support legitimate uploads and API requests, but not so high that they expose the server to excessive memory use or abuse. Different applications often require different limits, so avoid using a single global value without considering context.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After making changes, <strong>monitor server and application logs<\/strong>. Logs reveal whether uploads succeed, whether requests are still being rejected, and whether new issues appear at other layers. Ongoing log review helps confirm that adjustments are effective and safe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, <strong>avoid unnecessarily large request payloads<\/strong>. Optimize file sizes, split large uploads where possible, and reduce oversized API requests. Keeping request sizes efficient reduces the likelihood of hitting limits and improves overall performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By treating request size limits as part of ongoing maintenance rather than one-time fixes, site owners can prevent recurring 413 errors while maintaining reliable and secure systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-the-right-hosting-partner-keeps-upload-errors-away\"><span class=\"ez-toc-section\" id=\"Why_the_Right_Hosting_Partner_Keeps_Upload_Errors_Away\"><\/span>Why the Right Hosting Partner Keeps Upload Errors Away<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You can compress files, raise PHP values, or even switch to chunked uploads, but the truth is simple: the reliability of your site comes down to the environment it runs on. If your hosting is fragile, the 413 error and its cousins will always lurk in the background, waiting for the wrong moment to strike.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s where <a href=\"https:\/\/www.hostarmada.com\/\">HostArmada<\/a> changes the game. Instead of patching over weak limits, you get an infrastructure designed for growth. Every plan comes with lightning-fast website loading times, powered by modern cloud architecture, top-of-the-line security features that prevent firewalls and filters from becoming blockers, and a 99.9% uptime guarantee, ensuring your store or project remains accessible during peak hours. Add to that 24\/7\/365 support, and you\u2019re never alone when a configuration needs a second look.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the end, what you want is peace of mind. Hosting that scales with your business and clears the way for your uploads, campaigns, and customers. If that sounds like the kind of stability you\u2019ve been missing, explore our <a href=\"https:\/\/www.hostarmada.com\/pricing\/\">hosting plans<\/a> and build on a foundation that keeps errors in the past where they belong.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1768169439055\"><strong class=\"schema-faq-question\">Does a 413 error mean my file is too large?<\/strong> <p class=\"schema-faq-answer\">Not always. It means the request exceeds a configured limit, which could apply to the total request size, not just the file itself.<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768169460779\"><strong class=\"schema-faq-question\">Can a 413 error be caused by a proxy or CDN?<\/strong> <p class=\"schema-faq-answer\">Yes. Reverse proxies, load balancers, and CDNs often enforce their own request size limits before traffic reaches the server.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768169473963\"><strong class=\"schema-faq-question\">Should I increase all upload limits to fix a 413 error?<\/strong> <p class=\"schema-faq-answer\">No. Limits should only be increased at the layer where the error occurs. Raising multiple limits unnecessarily can weaken security and impact performance.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768169489379\"><strong class=\"schema-faq-question\"><strong>Can a 413 error affect API requests?<\/strong><\/strong> <p class=\"schema-faq-answer\">Yes. Large payloads in API calls can trigger a 413 response, especially when sending JSON data or bulk requests.<\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A 413 Request Entity Too Large error appears when a server refuses to process a request because the data being sent exceeds its configured limits. For website owners and developers, a 413 error can block legitimate user actions, interrupt workflows, and cause uploads to fail without clear explanations. Unlike errors caused by permissions or routing [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":5678,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[104,21,29],"tags":[176,174,171,175,173,108,168],"class_list":["post-5667","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-errors","category-resources","category-tech-talk","tag-413-error","tag-file-upload-errors","tag-http-status-codes","tag-request-entity-too-large","tag-server-configuration","tag-technical-seo","tag-website-troubleshooting"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How To Fix The 413 Error &quot;Request Entity Too Large&quot;<\/title>\n<meta name=\"description\" content=\"Learn what causes the 413 Request Entity Too Large error and how to fix it by adjusting server, proxy, and PHP upload limits safely.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hostarmada.com\/blog\/413-error\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is The 413 Error &quot;Request Entity Too Large&quot; and How To Fix It?\" \/>\n<meta property=\"og:description\" content=\"Learn what causes the 413 Request Entity Too Large error and how to fix it by adjusting server, proxy, and PHP upload limits safely.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hostarmada.com\/blog\/413-error\/\" \/>\n<meta property=\"og:site_name\" content=\"HostArmada Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-26T20:32:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-11T22:15:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hostarmada.com\/blog\/wp-content\/uploads\/2025\/09\/what-is-the-413-error-request-entity-too-large-and-how-to-fix-it-1-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Martin Atanasov\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Martin Atanasov\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"14 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hostarmada.com\\\/blog\\\/413-error\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hostarmada.com\\\/blog\\\/413-error\\\/\"},\"author\":{\"name\":\"Martin Atanasov\",\"@id\":\"https:\\\/\\\/www.hostarmada.com\\\/blog\\\/#\\\/schema\\\/person\\\/bbee34d0c0ea3ce71be141120a57ce77\"},\"headline\":\"What Is The 413 Error &#8220;Request Entity Too Large&#8221; 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