tellbuster by The AI Profit Wire
Find the AI writing tells in your text. Underlines the phrases, explains why, and suggests a plainer fix. Runs on your device.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
Tellbuster points out the phrases that make writing read like AI, explains why each one stands out, and suggests a plainer way to say it.
Readers now notice phrases like "Let's delve into", "In today's fast-paced world" or "It's not just X, it's Y". Tellbuster finds them before you hit send, so you can decide what to keep.
Tellbuster is a linter, not a detector. It never says your text "is AI". People use these phrases too. It shows you what readers notice.
WHAT IT DOES
- Click the Tellbuster icon, paste your writing, and see each phrase underlined with a short note: why it stands out and what to write instead.
- Select text on any page, right-click, and pick "Check with Tellbuster".
- Optional: turn on "Check as I type" in the settings. A small badge shows up in text boxes on LinkedIn, X, Gmail and most sites when it finds something. Click it to see the notes.
- English and French, plus starter rules for Spanish, German and Portuguese. More than 100 rules in all.
- Turn off any rule or group of rules, add a strict mode for filler words, and turn the badge off on sites you pick.
PRIVATE BY DESIGN
- Your text is checked on your device and never sent anywhere.
- No accounts, no analytics, no ads, no tracking.
- Installing asks for no access to any website. Site access is asked for only if you turn on "Check as I type", and you can take it back at any time.
FREE AND OPEN SOURCE
Tellbuster is MIT licensed. Every rule is plain, readable data, and anyone can suggest a new one on GitHub: https://github.com/aiprofitwire/tellbuster
Try it without installing anything: https://aiprofitwire.github.io/tellbuster/
Readers now notice phrases like "Let's delve into", "In today's fast-paced world" or "It's not just X, it's Y". Tellbuster finds them before you hit send, so you can decide what to keep.
Tellbuster is a linter, not a detector. It never says your text "is AI". People use these phrases too. It shows you what readers notice.
WHAT IT DOES
- Click the Tellbuster icon, paste your writing, and see each phrase underlined with a short note: why it stands out and what to write instead.
- Select text on any page, right-click, and pick "Check with Tellbuster".
- Optional: turn on "Check as I type" in the settings. A small badge shows up in text boxes on LinkedIn, X, Gmail and most sites when it finds something. Click it to see the notes.
- English and French, plus starter rules for Spanish, German and Portuguese. More than 100 rules in all.
- Turn off any rule or group of rules, add a strict mode for filler words, and turn the badge off on sites you pick.
PRIVATE BY DESIGN
- Your text is checked on your device and never sent anywhere.
- No accounts, no analytics, no ads, no tracking.
- Installing asks for no access to any website. Site access is asked for only if you turn on "Check as I type", and you can take it back at any time.
FREE AND OPEN SOURCE
Tellbuster is MIT licensed. Every rule is plain, readable data, and anyone can suggest a new one on GitHub: https://github.com/aiprofitwire/tellbuster
Try it without installing anything: https://aiprofitwire.github.io/tellbuster/
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More information
- Add-on Links
- Version
- 1.0.0
- Size
- 75.86 KB
- Last updated
- 4 days ago (Sep 25, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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