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How to fix Tachiyomi HTTP error 503?

By Steven, on October 19, 2022, updated on November 27, 2022 - html-errors - 2 min read

Disclaimer : Tachiyomi is a free and open source manga reader. It’s considered illegal in Japan and many country to read manga online because publishers lose money when people don’t buy their physical books. Tachiyomi has been downloaded over a million times from the Google Play Store, and it’s popular because it’s easy to use and has a lot of features. Tachiyomi is illegal in most countries, we warn our users they could be prosecuted if they’re caught reading manga online. We also advise our users to support the creators of their favorite manga by buying physical copies of the books. Thanks for reading!


Tachiyomi is a great app for reading Manga, but sometimes an error can occur.

You can’t read your manga because your Tachiyomi app displays a HTTP error 503 ? This guide will help to fix this specific issue. So you can quickly read the last chapter of your favorite manga.

What is the Tachiyomi 503 error?

The Tachiyomi 503 error is a server-side error. This means that the server is not available or is experiencing high traffic.

When this happens, you will see a message saying “Service Unavailable” or “Error 503”.

How to fix the Tachiyomi 503 error?

There are a few things you can try to fix the Tachiyomi 503 error. You can :

  • Try to reload the page ;
  • Open the source in Android WebView ;
  • Clear your browser’s cache and cookies ;
  • Use a different browser ;
  • Contact the Tachiyomi support team.

Try reloading the page.

Reloading the page is a simple way to fix many errors, and it’s worth a try for the Tachiyomi 503 error.

To reload the page, you can simply pull down on the screen or tap the refresh button.

If the error persists, try to open the source in WebView.

Check if the source is down by opening it in WebView

The Tachiyomi 503 error is often caused by the source being down. To check if this is the case, you can open the source in Android WebView.

  • If the site is down, you will see a message saying “Service Unavailable” or “Error 503”. In this case, you will need to find another source for your manga.
  • If the site is up and running, but you’re still seeing the Tachiyomi 503 error, try clearing your cache and cookies.

Clear your cache and cookies

Your browser’s cache and cookies can sometimes cause errors. To fix the Tachiyomi 503 error, you can clear your cache and cookies.

To do this, you can go to : SettingsAdvancedClear WebView data.

If the issue persists, you can try another method.

Use a different browser

If the Tachiyomi 503 error persists, you can try using a different browser (Google, Mozilla…). This can sometimes fix errors that are caused by your browser’s cache and cookies.

If your app still isn’t working, you can try contacting the Tachiyomi support team.

Contact the Tachiyomi support team

If you’re still having trouble, you can try contacting the Tachiyomi support team by the Discord server.

Tachiyomi HTTP error 503 in a nutshell

Tachiyomi HTTP error 503 is not always easy to fix, but there are a few things you can try. If the error persists, you can try contacting the Tachiyomi support team for help.

We hope this guide has helped you to fix the 503 error that occurred on your Tachiyomi app.

As you are here, take a look at this video. It's our future. It concerns us all.

Steven