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FeuTex · free tools runs in-browser no bloat built by LiMiT

Text Checker AI

Paste text and get an instant, offline “AI-style” quality report. This tool uses fast, local heuristics (no uploads) to flag common writing issues like spacing, punctuation, repeated words, passive voice patterns, and frequent misspellings.

Category: Text · URL: /tools/text-checker-ai.html
Offline checker (no uploads)
Fast heuristics for spacing, punctuation, repeats, passive voice patterns, and common misspellings.
Checks
Extra
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Run a quick text QA pass before you publish, send, or format your copy.

  1. Paste or type into the input box.
  2. Choose checks (spelling, punctuation/spacing, repeats, passive voice) and your preferred output format.
  3. Click Check text to generate a report (and optional cleaned text).
  4. Use Copy report to share or save the results.
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Secondary intents covered: Find and fix double spaces, tabs, and messy whitespace, Catch missing/extra spaces around punctuation, Detect repeated words and repeated punctuation (e.g., !!), Flag common misspellings with quick replacements, Identify possible passive-voice constructions to rewrite, Generate a compact report to paste into reviews or docs, Export results as plain text or JSON for workflows, Produce a lightly cleaned version of the input text

FAQ

Is this a real AI grammar checker?

It’s an offline, heuristic “AI-style” checker that flags common patterns (spacing, punctuation, repeats, frequent misspellings), not a full LLM-based rewrite system.

Does my text get uploaded anywhere?

No. The checks run locally in your browser and the tool JavaScript does not send network requests.

What kinds of issues does it catch best?

Whitespace problems, punctuation spacing, repeated words/punctuation, ALL CAPS words, long sentences, and a list of common misspellings.

Can it detect passive voice accurately?

It flags likely passive constructions using a simple pattern; treat it as a hint, not a definitive rule.

Can I export results as JSON?

Yes—switch the output format to JSON to get a structured summary you can paste into other tools.

Does it rewrite or correct my text automatically?

No automatic rewriting. You can optionally append a lightly cleaned version (tabs removed, extra spaces collapsed, spaces before punctuation removed).

What should I use if I need deeper formatting or document output?

Try Word Formatter AI for Word-ready cleanup, or the Online Word Converter for Word/RTF-style conversions.