Fills long web forms from your own documents, asks when it isn't sure, and leaves Submit to you.
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#380K
#286K among extensions
Version
0.5.0
updated 18 Oct 2026
About Fillmore
Fillmore fills long web forms from your own documents, shows where every answer came from, asks when it isn't sure, and leaves Submit to you.
HOW IT WORKS
1. Add your documents: passport, ID card, payslip, utility bill, as PDF, text or photo. Fillmore reads them on your device and builds a profile you can check and edit.
2. Open a form: visa applications, insurance quotes, job applications, KYC, admissions.
3. Press Fill. Every filled field is marked with the document it came from.
4. Read it through and submit it yourself. Fillmore never presses Submit.
IT WON'T GUESS
When your passport and your electricity bill have different addresses, it asks which one this form should use. Unclear date formats, options it can't match and values that don't fit become a question with a tap-to-answer choice, not a guess.
THE PENGUIN
Allow it on the sites you choose and a small penguin appears next to forms:
• "I can fill 8 fields": one click fills only what it's sure of; Undo puts the page back.
• Fill a form by hand and it remembers what you typed for next time, with Undo.
• Attach your resume or proof of address once, and it attaches it again next time a form asks.
• Head for Submit and it lists required fields still empty, values the page will reject, and what's yours to do.
• A "?" next to jargon (PED, nominee, place of issue, GSTIN) explains it in plain words.
• Not now, not on this site, pause for an hour or pause everywhere. Drag it anywhere.
PRIVATE BY DESIGN
• Everything stays on your device. There is no Fillmore server and no account.
• Optional passphrase encrypts your profile and kept files.
• Never fills passwords, payment cards, CAPTCHAs, one-time codes or hidden fields.
• Deleting a document deletes everything that came from it; Wipe deletes it all.
• No analytics, no tracking, no ads.
OPTIONAL: YOUR OWN CLAUDE KEY
Without a key, Fillmore reads text and PDFs on your device and maps fields with built-in rules. Add your own Anthropic API key to read photos and scans, and to get help with unusual fields (labels only, never your values).