Grammar fixer + shortcut expander
Spellro sits quietly on every text field on the web. One click fixes grammar, spelling and punctuation. One shortcut expands into your saved paragraph. Nothing leaves your browser except the text you choose to fix.
What it does
Spellro is built around the two things people retype most: fixing what they just wrote, and typing the same thing twice.
A small icon appears on any input, textarea, or editable box — comment fields, emails, DMs, forms. Click it and Spellro rewrites your text in natural, fluent English: grammar, spelling, punctuation and capitalization corrected, meaning untouched.
Save a shortcut once — ..as for "as soon as possible," ..th for your usual thank-you note — and type it anywhere to expand into the full text, on any site, every time.
Moving to a new computer or browser? Export every shortcut to an Excel file and import it back in seconds. New here? Download a blank template, fill it in, and bulk-upload your whole list at once.
Spellro runs on your personal, free Groq API key. Your text is sent straight from your browser to Groq to be corrected — it never passes through or gets stored on Spellro's servers.
Shortcuts in practice
Set it up once in Settings, then it works everywhere — Gmail, Slack in the browser, support tickets, DMs.
Get started
Add it from the Chrome Web Store. It won't ask for an account or a password.
Grab a free API key from console.groq.com/keys and paste it into Spellro's settings. Takes under a minute.
Click the icon to fix any field, or save a shortcut and type it anywhere. That's the whole product.
Questions
Yes. Spellro itself is free to install and use. It runs on your own free Groq API key, which doesn't require a credit card and works on a generous rate-limited free tier — see our free vs. paid grammar checker guide for details.
No. Text you correct is sent directly from your browser to Groq's API using your own key. It never passes through or is stored on Spellro's servers — read the full privacy policy.
Spellro is free, runs on your own Groq API key instead of a subscription, and includes a text shortcut expander built in. See the full Spellro vs. Grammarly comparison.
No sign-in or account is required — just a free Groq API key pasted into Spellro's settings once.
Yes, it works on any standard text field, textarea, or editable box across the web. Some highly complex rich-text editors may behave differently — see how it works for details.