Fill any PDF
with AI assistance.
filli reads every form, answers your questions in plain English, and keeps your answers on your device. No uploads, no learning curve, no leaks.
Private by default. Local by design.
filliForm W-9 · Request for TIN.pdf* This is a demo, not an actual form or advice.
AI-powered. Drop-easy. Browser-private.
AI that knows your form
The Expert Clerk has already read every line. Paste any label, like “box 7” or a whole sentence, and get a plain-English answer in one to three sentences. Strictly on-topic, never hallucinated.
Drop-easy on any PDF
AcroForm PDFs fill out of the box. Flat forms get a one-click Draw fields mode. Sign with your trackpad. Download a filled PDF that stays editable in Acrobat.
Private by design
Your typed answers and the finished PDF never leave your browser. The AI sees only the form's printed text and your question, never the values you entered.
Drop. Fill. Download.
Drop a PDF
filli reads fillable fields automatically. Flat PDF? Draw your own boxes, and filli makes it smart in seconds.
Fill it with AI alongside
Type into ghost boxes. Confused by a field? Paste it into the clerk. Sign with your trackpad. Everything stays on-device.
Download
Export a filled PDF that stays editable in Acrobat and Preview. Zero uploads. Everything ran locally in your browser.
Anyone who's stared at a confusing PDF.
Specific forms, specific people, one tool that doesn't upload anything.
Freelancers & contractors
Fill the forms clients send you without uploading your SSN to a third-party tool. Ask the AI what “limited liability company” means on a W-9.
New hires & HR
Knock out first-day paperwork in ten minutes. The AI explains every withholding allowance and citizenship attestation in plain English.
Small business owners
Government PDFs are notoriously bad at explaining themselves. filli reads each form and answers your questions about what each box actually wants.
Immigration applicants
USCIS forms are 30+ pages of dense legalese. The AI translates each section into plain English so you can fill them with confidence.
Tax season
Fill any tax form without uploading. The AI explains the form — not your situation — so you understand what each line is asking before you put a number in it.
Real estate, legal & agreements
When clients or counterparties send you fillable PDFs, fill them in your browser without buying Adobe Acrobat. Sign with your trackpad and download.
filli explains forms. It doesn't give tax, legal, or immigration advice.
Fair pricing. Real privacy.
Start free. Upgrade when you need more forms.
Free
- Fill any PDF form
- Expert Clerk AI answers
- Draw custom fields
- Trackpad signatures
- Download filled PDF
- Private by default. Local by design.
Pro
Recommended- Everything in Free
- 500 PDFs per month
- Priority Expert Clerk responses
- Priority support
- Private by default. Local by design.
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