GramProofAI Checker
Review selected writing for AI-like patterns while keeping the surrounding document in view.
Open web AI CheckerGRAMPROOF · BROWSER COMPANIONSGramProof for Chrome,
GramProof for Chrome,
Google Docs & Firefox
Bring a more thoughtful writing review to the places you already work. Explore AI checks, source matching, and writing-history tools in a familiar browser workflow.
Extensions in preview · store downloads are not available yet
Built around your writingOne connected toolkitA transparent review process
The ideas that bring us togetherSample document · editable workflow illustration
A FRESH PERSPECTIVE
Good writing starts with a little curiosity.
The best ideas often start as a rough first draft. A community garden can give neighbors a place to share knowledge, grow food, and spend time together.
Clear writing helps turn those ideas into a plan that others can understand.
Review selected text with GramProof
GramProof™A closer look at your writing
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Explore AI writing signals
The planned extension brings selected text and AI analysis into the same view.
Sentence-level insightsContext stays in view
Open web AI CheckerIllustration only · no scan is performed hereMADE FOR WRITERS, LEARNERS & TEAMS
PublishingILLUSTRATIVE AUDIENCE MARK
EducationILLUSTRATIVE AUDIENCE MARK
Editorial teamsILLUSTRATIVE AUDIENCE MARK
Neutral audience marks, not customer or partner endorsements.
LESS TAB SWITCHING. MORE CONTEXT.
AI Checks & Plagiarism Scans in Your Browser
A preview of the tools planned for GramProof’s browser companions. Open the existing web checkers or explore the demonstrations below.
Plagiarism Checker
Explore matching passages and source attribution in a focused review workflow.
Open web Plagiarism CheckerWriter Replay
See how a draft develops across revisions and use its history to support a thoughtful review.
Try the replay demoAuto-Typing Detection
A planned view of unusual input patterns, with context and human review kept central.
Explore the conceptInput patterns are context, not a verdict.
Large paste events or rapid insertions can have many explanations, including accessibility tools. The planned view would support review, not establish who wrote a passage.
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KEEP YOUR REVIEW CLOSE TO YOUR WRITING
Make room for GramProof in your browser.
Explore the planned Chrome and Firefox extensions. Keep using GramProof’s web tools while store downloads are being prepared.
Extensions in preview · store downloads are not available yet
KEEP THE DOCUMENT IN VIEW
A fresh perspective on your Google Docs draft.
Explore a planned AI-detection companion that sits beside your document. Select a passage, review the analysis, and keep the wider context close at hand.
- Review selected text without losing your place
- Inspect sentence-level signals in context
- Use results alongside your own editorial judgment
A community worth growingSample document · editable workflow illustration
A FRESH PERSPECTIVE
Good writing starts with a little curiosity.
The best ideas often start as a rough first draft. A community garden can give neighbors a place to share knowledge, grow food, and spend time together.
Clear writing helps turn those ideas into a plan that others can understand.
Review selected text with GramProofGramProof™Google Docs companion
—
Explore AI writing signals
The planned extension brings selected text and AI analysis into the same view.
Sentence-level insightsContext stays in view
Open web AI CheckerIllustration only · no scan is performed hereTHE STORY BEHIND THE SENTENCES
Writer Replay
A final draft shows where a writer arrived. A revision history can help explain how they got there.
Try a sample replay: move through the timeline, pause on a revision, and see an idea become a complete paragraph.
Explore changes over timeKeep contributor context visibleReview at your own pace
Planned product capability. The demo is illustrative and does not prove authorship.
Writing historyInteractive sample
One sample contributor1 / 5 revisions
A starting thought
A garden could bring neighbors together.
00:00 / 03:00
Demonstration with sample revisions. GramProof is not recording your writing on this page.
A CONNECTED REVIEW TOOLKIT
Designed to support the way you write
The extension roadmap brings analysis and writing context together. These features are planned, not enabled by this page.
AI & plagiarism scans
Bring writing-pattern checks and matching-source review into one browser companion.
Multilingual detection
A planned path to language-specific checks and clearer support information.
Writer replay
Explore the progression of a draft, from the first thought to the latest revision.
Contributors
Understand who contributed to a shared document and where their work fits.
Team access
A future shared workflow for editors, educators, and collaborating teams.
Shareable reports
A planned way to share review context and source information with others.
BUILT FOR YOUR NEXT DRAFT
For the people behind the words
Writers, Editors & Marketers
Prepare content for a careful editorial review, with analysis and context close to the draft.
Students & Teachers
Discuss writing, sources, and revision history as part of a balanced learning conversation.
Schools & Enterprise
Explore a future review workflow that helps teams communicate expectations and share context.
+YOUR NEXT WRITING COMPANION
A more thoughtful review, one tab away.
Explore the planned Chrome and Firefox extensions. Keep using GramProof’s web tools while store downloads are being prepared.
Extensions in preview · store downloads are not available yet
BEFORE YOU ADD IT TO YOUR BROWSER
Frequently Asked Questions
What is available today, what is planned, and how to explore the previews.