Watermark PDF
Place text or an image across your pages with adjustable opacity.
Draw, type, or upload your signature and place it on a document.
Processed on your device · No uploadsBrowser only · Free and unlimited · No upload, account, Turnstile or daily limit. Libraries and font licenses
Originals remain unchanged until you export. Original PDFs and passwords stay in memory and are never uploaded. Output copies are remembered only if you enable Recent files. Limits: 20 files, 500 MB total and 2,000 pages per batch; device memory can require smaller files.
These are simple electronic signatures, not certified digital signatures. Review the document and confirm that this signing method meets your needs. Any PDF export can invalidate existing digital signatures. Only a signature you explicitly save is kept in this browser.
Choose the files you want to use with Sign PDF.
Arrange your files and review the available sign pdf options.
Process locally, preview the output and download it, or continue with another tool using the processed files.
All editing, signing, redaction, comparison, cropping and forms run in browser workers, free and unlimited. No upload, signup, Turnstile or daily quota applies. Up to 20 files (exactly two for comparison), 500 MB total and 2,000 pages per batch; device memory can require smaller batches. Original files remain unchanged until you export a new copy.
These are simple electronic signatures, not certified digital signatures. Review the document and confirm that this signing method meets your needs. Any PDF export can invalidate existing digital signatures. Only an explicitly saved signature persists in browser storage; use Forget saved signature to remove it.
Sign PDF is available now, free and without signup. Processing happens entirely on your device.
Files are read, processed and rendered in browser Web Workers. Nothing is uploaded. Cancel stops the worker immediately; originals remain unchanged.
All editing, signing, redaction, comparison, cropping and forms run in browser workers, free and unlimited. No upload, signup, Turnstile or daily quota applies. Up to 20 files (exactly two for comparison), 500 MB total and 2,000 pages per batch; device memory can require smaller batches. Original files remain unchanged until you export a new copy.