PDF guides
How to merge, compress, protect and convert PDFs — privately, without uploading a thing.
How to compress a PDF to reduce file size
Shrink a PDF for email or upload — entirely in your browser, with nothing sent to a server. A practical guide to compressing PDFs privately.
How to convert JPG images to a PDF
Turn JPG and PNG images into a single PDF, right in your browser — ideal for scanned forms and receipts, with no upload.
Why local-first PDF tools are safer than online converters
Online PDF tools upload your files to a server; local-first tools never do. Here is what that difference means for your privacy.
How to merge PDF files for free without uploading them
Combine PDFs entirely in your browser — no upload, no sign-up. A step-by-step guide to merging PDF files privately.
How to password-protect a PDF
Encrypt a PDF with a password so only the right person can open it — done on your device with AES-256, never uploaded.