
Humanize replies before you send, and scan inbound emails for AI.
Highlight any text in Gmail, Docs, LinkedIn, Notion, Slack, ChatGPT, or Claude. Walter humanizes AI drafts or checks if the text is AI, in one keystroke.
No copy-paste. No tab-switching. No second window. Highlight, hit a shortcut, and Walter humanizes or detects AI in place.

Humanize replies before you send, and scan inbound emails for AI.

Rewrite AI drafts and check them for AI, sentence by sentence in the doc.

Humanize your posts and comments, and detect AI in what you read.

Humanize notes and scan docs for AI without leaving Notion.

Clean up messages and check threads for AI before you reply.

Turn ChatGPT output into your voice, then verify it reads as human.

Make Claude's drafts read like you, and check their AI score.

Post in your own voice, and detect AI in replies and quotes.
Walter is a single browser extension that humanizes AI text and detects AI content across every text box, every page, every email.
Rewrite selected text into a more natural draft while aiming to preserve the intended meaning.

A calibrated AI probability for any selection, scored sentence by sentence.


Text is sent for processing when you invoke a Walter tool from the extension. Review the current privacy policy for details about how submitted text and account data are handled.
Quick answers about safety, privacy, and how the extension works.
Walter processes text when you invoke a tool from the extension. Review the current privacy policy for details about submitted text and account data.
The extension requires an internet connection for Walter processing features. Availability can also depend on the page and browser permissions.
Yes. Like any extension, an organization can block or allowlist Walter through managed Chrome policies. If it’s blocked on your work profile, it still works on a personal Chrome profile.
Only if you turn it on. Chrome disables extensions in Incognito by default; you can enable Walter at chrome://extensions. It works the same way there and still only sends text when you invoke it.
Highlight any text to humanize AI drafts or check if it is AI, right inside Gmail, Docs, LinkedIn, Notion, Slack, ChatGPT, and Claude.
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