Free forever vs paid per-use. No uploads, no subscriptions, no account required.
| Feature | PDF Form Filler | PDFfiller |
|---|---|---|
| Price | ✓ Free forever | ✗ Subscription from $6.99/mo |
| Privacy | ✓ 100% client-side — your files never leave your device | ✗ Files uploaded to their cloud servers |
| Signup required | ✓ None | ✗ Account required |
| Form field detection | ✓ Automatic — reads all fields on upload | ✓ Automatic |
| Unlimited form filling | ✓ Yes — no daily limits | ✗ Limited on free plan |
| Works offline | ✓ Yes, after first load | ✗ Requires internet connection |
| Watermark / branding | ✓ None | ✗ Downloaded PDFs may show branding |
| Data security | ✓ Your data never leaves your browser | ✗ Documents stored on remote servers |