21 PDF tools. Every one cryptographically signed.

Merge PDF

Combine multiple PDFs into a single document.

Split PDF

Break a PDF into individual pages or page ranges.

Combine Pages

Lay multiple pages onto one — 2-up, 4-up, custom.

Rotate PDF

Rotate pages 90°, 180°, 270° — by page or all.

Crop PDF

Trim margins or crop pages to a custom size.

Page Numbers

Add numbering with position, format, and start value.

Word → PDF

Convert .docx files to PDF with formatting preserved.

Excel → PDF

Convert .xlsx workbooks to PDF.

Images → PDF

Combine JPG, PNG, or GIF images into a single PDF.

PDF → Word

Extract a PDF into an editable .docx file.

PDF → Excel

Pull tables out of PDFs into .xlsx.

PDF → Images

Export each PDF page as PNG, JPEG, or WEBP.

Compress PDF

Shrink file size while keeping quality usable.

Protect PDF

Add a password to restrict opening.

Unlock PDF

Remove the password on a PDF you own.

OCR

Make scanned PDFs searchable and copyable.

Watermark

Add a text or image watermark to every page.

Redact & Unredact

Permanently remove text & images — or audit whether a PDF's redactions are actually safe.

Sign PDF

ELAI-sign a PDF with cryptographic provenance.

Batch Sign

Sign multiple PDFs in one operation.

Fill & Sign

Fill a form, sign it, ELAI-stamp the result.

Verify Signature

Check the ELAI signature on any signed PDF.