Prose corrects grammar and spelling in the text you select, right where you write it in Chrome. No account, no subscription, no watching every field. Your words stay yours.
A good Grammarly alternative does the correction work, grammar, spelling, punctuation, without the parts people leave Grammarly for: the account requirement, the subscription pressure, the rewrites that change your tone, and a tool that watches every text field. The test is simple: after the fix, does the email still sound like you, and did you have to sign up for anything?
| Prose | Grammarly | |
|---|---|---|
| How it works | On demand: select text, right-click | Watches text fields and suggests as you type |
| Account | None required | Required |
| Price for correction | Free with your API key, or one-time credits | Free tier; advanced suggestions on subscription |
| Rewriting | Fixes only what you selected | Suggests rewrites that can change tone and phrasing |
| Your text and their servers | With your own API key, your text never touches Prose servers: verifiable in the published extension code | Processes your content for personalized suggestions and to train its AI models, with an opt-out (its privacy policy, checked August 2026) |
| Scope | The selection you make, nothing else | Documents, tone, clarity, plagiarism (paid), broad coverage |
Table checked: August 17, 2026. If any cell is no longer accurate, tell us and we will fix it.
Honestly: if you draft long documents and want document-wide suggestions, tone guidance, and team features, Grammarly is built for that, and Prose is not. Prose is deliberately small. It exists for the other 90 percent of daily writing: the email, the reply, the comment, the form field, where you need one correction and zero ceremony. If your day is mostly documents, use a document tool. If your day is mostly messages, you probably don't need one.
Plenty of people replaced Grammarly with ChatGPT. The correction quality is there; the workflow is not. Every fix means switching tabs, pasting, prompting, waiting, copying, pasting back, and repairing the formatting. And unless you constrain it, a chat assistant rewrites instead of fixing. Prose puts the same class of model behind a right-click, on the text you selected, where you wrote it. See how that works on the most common case: polishing an email.
Most tools ask you to trust a policy. Prose's core privacy claim can be checked: with your own API key, the selected text goes straight from your browser to the AI provider you chose, and the extension's published code shows it. The extension has no background access to your pages, acts only on your click, and contains no telemetry. The policy documents each mode, including credit mode, where your selected text passes through the Prose server that forwards it to the model.
Three honest routes if you want correction without paying a subscription:
The structural difference is the workflow: the free tiers above watch or receive your text in their interfaces; Prose fixes the selection where it already is.
Yes. Prose is a free Chrome extension that fixes grammar, spelling, and punctuation in the text you select, with no account and no subscription. LanguageTool and QuillBot also offer free tiers with usage limits; the difference is the workflow: Prose fixes selected text in place instead of watching every field. The pricing options are here.
It depends on the job. For document-wide suggestions, LanguageTool's or QuillBot's free tiers cover the basics. For fixing the sentence you selected, where you write, without an account, Prose does that one job and keeps your voice. This guide compares the four types of Chrome grammar tools.
LanguageTool's engine is open source and can be self-hosted. Prose takes a different route to the same concern: bring your own OpenAI, Anthropic, or Google API key, so your text goes straight from your browser to your provider, and the extension's published code can be audited by anyone. The path is documented mode by mode.
For correction work, yes. Prose has no subscription: use your own API key for usage billed at provider cost, or buy one-time credits that never expire. What you give up is Grammarly's document-wide suggestions; what you keep is your money and your voice. Both options, explained.
No, and that is the point. Grammarly watches your text fields and suggests as you type. Prose does nothing until you select text and right-click: it fixes what you selected, in place, and disappears. Less coverage, more control. See it in action.
Last updated: August 17, 2026
Keep your voice.
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Fix, don't rewrite.
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