The AI-powered AutoFillPDF alternative
AutoFillPDF is a simple, upload-and-fill AI tool for quickly completing a single PDF form.
Quick answer
Filly AI is an AutoFillPDF alternative built for repeat work. AutoFillPDF is great for a single quick form; Filly remembers your clients, auto-fills every future form from saved profiles, batch-fills across clients (up to 5 clients per run on Solo and 20 on Pro), and adds no-login e-signature and a template library.
Where AutoFillPDF is strong
AutoFillPDF is fast and straightforward for a one-off form — upload, let AI fill, download. Minimal setup.
Filly AI vs. AutoFillPDF at a glance
| Feature | Filly AI | AutoFillPDF |
|---|---|---|
| Free plan | Yes — 10 forms, 5 clients, 10 fills/mo, no card | Varies |
| Reusable client profiles | Core feature — save a client once, reuse everywhere | One-off filling only |
| Batch fill (many clients at once) | Yes — up to 5 clients per run on Solo and 20 on Pro, one ZIP | No |
| AI field extraction | Yes — reads any PDF/DOCX, incl. scanned (OCR) | Yes |
| No-login e-signature | Yes — share a link, sign in any browser | Varies |
| Starting paid price | $19/mo (Solo) | Varies |
| Best for | Professionals refilling the same clients' details across many forms | A single quick PDF |
Why teams switch to Filly
It remembers your clients
AutoFillPDF fills one document; Filly saves the client so the next form — and the one after — fills itself from the same profile.
Batch fill and templates
Generate a form for many clients at once, and start from 25+ ready-to-fill templates and an official-forms library.
E-signature included
Share a no-login link for the client to review and sign — the workflow doesn't stop at a downloaded PDF.
Room to grow
Free to start, then $19/month when you need higher limits — the same tool scales from one form to hundreds.
Try Filly free — no card
Fill your first forms today. 10 forms, 5 clients, 10 fills a month on the free plan.
Get startedFrequently asked questions
- What is a good AutoFillPDF alternative?
- Filly AI is an AutoFillPDF alternative for people who fill forms regularly rather than once. It saves client details as reusable profiles, auto-fills every future form from them, batch-fills across clients (up to 5 clients per run on Solo and 20 on Pro), and includes templates and no-login e-signature, with a free plan to start.
- How is Filly AI different from AutoFillPDF?
- AutoFillPDF is built for filling a single PDF quickly. Filly is built for recurring work: it remembers your clients and reuses their details across every form, adds batch fill and a template library, and lets clients e-sign via a no-login link.
- Is Filly AI free?
- Filly has a free plan with AI field extraction, up to 5 saved clients, and 10 filled documents per month — no credit card. Paid plans start at $19/month for higher limits, batch fill, and e-signature.
- Can Filly fill more than one form at a time?
- Yes. Batch fill generates the same form for many clients in a single run, delivered as one ZIP — up to 5 clients per run on Solo and 20 on Pro. Useful when you send the same document to many people.
Other comparisons
Comparison based on publicly available information as of 2026. Product names and trademarks belong to their respective owners; Filly AI is not affiliated with or endorsed by AutoFillPDF. Details change — verify current features and pricing on each provider's site.