What causes "LanguageTool Text Too Long (Character Limit)"?

Free Basic plan limit of 2,000 characters per text field Premium limit of 150,000 characters for very long documents

How do I fix "LanguageTool Text Too Long (Character Limit)"?

1. Split the text into chunks: Copy about one or two paragraphs (under 2,000 characters) at a time into the web editor Fix the errors, then move to the next chunk 2. Check a long document in its own app: Use the Word, Google Docs or LibreOffice add-on instead of pasting into the web editor Very long files may still be slow in LibreOffice; split them by chapter 3. Upgrade to Premium: Premium checks up to 150,000 characters per text field Use the 14-day money-back guarantee if it doesn't suit you

// troubleshooting guide · languagetool

LanguageTool Text Too Long (Character Limit)

Status: Ongoing
platforms:: Web, all add-ons
updated:: November 15, 2026
reports:: 2
Method: how we research

RUNBOOK · languagetool/character-limit3 FIXES

// quick answer

The free plan checks only 2,000 characters per text field; Premium raises the limit to 150,000. Split long text into chunks or upgrade.

Most likely fix: Split the text into chunks

How to fix it

// try these in order, the most common fix is first

FIX 1Split the text into chunks
1. 01Copy about one or two paragraphs (under 2,000 characters) at a time into the web editor
2. 02Fix the errors, then move to the next chunk
Did this fix it?
FIX 2Check a long document in its own app
1. 01Use the Word, Google Docs or LibreOffice add-on instead of pasting into the web editor
2. 02Very long files may still be slow in LibreOffice; split them by chapter
Did this fix it?
FIX 3Upgrade to Premium
1. 01Premium checks up to 150,000 characters per text field
2. 02Use the 14-day money-back guarantee if it doesn't suit you
Did this fix it?

Symptoms

Only part of your text is checked, a message that the text is too long, or a prompt to upgrade when pasting a long document.

Why it happens

C-01Free Basic plan limit of 2,000 characters per text field
C-02Premium limit of 150,000 characters for very long documents

// this guide also covers

languagetool character limit
languagetool text too long
languagetool free limit

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