4PDFs
An ELAI Ecosystem participant

A 4PDFs manifesto · Free forever

Every PDF tool.
None of the paywall.

Adobe charges $19.99 a month for tools that should be free. So we built all twenty-one of them — in your browser, with no account, no subscription, and no tracking. Use them once, use them forever.

Start merging free → See all 21 tools
21Tools available
$0Per month, forever
0Accounts required
100%Runs in your browser
NEW · ELAI · THE LINK

Sign PDFs with cryptographic proof.

Hardware-grade signatures. Tamper-evident. No account, no subscription. Anyone can verify a signed PDF in their browser — anytime, anywhere.

Try ELAI Sign → Verify a signed PDF
EXTRAORDINARY  LINK  ASSISTIVE  INTELLIGENCE

The tools

Twenty-one tools. Zero excuses.

Free tools run entirely in your browser — your files never leave your device. Premium tools unlock with a one-time $29 Day Pass — no subscription, ever.

Free
⇄
Merge PDF
Combine multiple PDFs into one. Drag to reorder.
 Free
⫶
Split PDF
Break a PDF into separate files or page ranges.
 Free
▦
Combine Pages
Place multiple PDFs on one sheet — 2/4/6-up layouts.
 Free
⌗
Crop PDF
Trim margins or crop pages to a precise area.
 Free
↻
Rotate PDF
Fix page orientation, individually or all at once.
 Free
▤
Compress PDF
Shrink file size while keeping quality usable.
 Free
№
Page Numbers
Add numbered pages — custom position and start.
 Free
◫
Watermark
Apply text or image watermarks to every page.
 New
🖼
Images → PDF
Combine JPG, PNG, or GIF into a single PDF.
 New
🗂
PDF → Images
Export pages as PNG, JPEG, or WEBP.
 New
▬
Redact & Unredact
Permanently remove content — or audit a redaction.
 ELAI
✓
Sign with ELAI
Cryptographically sign a PDF. Anyone can verify.
 New
✓✓
Batch Sign
Sign an entire folder of PDFs at once.
 Day Pass
✎
Fill & Sign
Fill forms and add a signature to any PDF.
 Day Pass
←
PDF → Word
Extract a PDF into an editable .docx file.
 Day Pass
←
PDF → Excel
Pull tables out of PDFs into .xlsx.
 Day Pass
→
Word → PDF
Convert Word documents to PDF with fidelity.
 Day Pass
→
Excel → PDF
Spreadsheets to print-ready PDF, formatting intact.
 Day Pass
⌨
OCR PDF
Make scanned PDFs searchable and copyable.
 Day Pass
🔓
Unlock PDF
Remove the password on a PDF you own.
 Day Pass
💬
AI PDF Chat
Ask any PDF questions. Summarize, find, extract.

Day Pass · Optional

For when free isn't quite enough.

Unlock all 21 tools — including PDF to Word, OCR, AI Chat, Fill & Sign, Batch Sign, and email-verified Sign with ELAI — for 24 hours. One-time charge. No account, no subscription, no automatic renewal.

Get a Day Pass →
$29 / 24 hrs
VS. ADOBE'S $240 / YEAR