DocSeal: PDF Editor & Sign
Edit, sign, merge, split & compress PDFs offline. No account, no cloud upload.
An Android app by UX Mate
DocSeal is a free Android PDF toolkit that edits, signs, merges, splits, compresses, redacts and password-protects PDFs entirely on your phone — no account, no sign-up and no uploading your documents to a server.
Who is DocSeal for?
- Students and freelancers
- Professionals signing contracts and forms
- Anyone handling sensitive PDFs
Key features
Edit & annotate
Add text, highlight, underline, strike through, add sticky notes and draw shapes.
Fill & sign
Draw your signature on screen and drop it anywhere in the document.
Organize pages
Reorder, delete, rotate and extract pages into a new PDF.
Merge, split & compress
Combine PDFs, split large ones, and shrink files with three compression levels.
Password protect & redact
Lock a PDF with a password and permanently remove confidential text.
Image to PDF
Turn photos, receipts, IDs and scanned notes into a clean PDF.
Optional AI assistant
Chat with a document using your own Gemini or OpenAI API key. Off unless you add a key.
Pricing & privacy
Pricing
Free to use, supported by ads. Requires Android 8.0 or above.
Privacy
Files stay on your device. The only feature that needs internet is the optional AI assistant, which activates only if you add your own API key. Read the privacy policy.
DocSeal FAQ
Is DocSeal really offline?
Yes. Editing, signing, merging, splitting, compressing, redacting and password protection all run on your phone. Only the optional AI document assistant needs an internet connection, and only if you add your own API key.
Do I need an account to use DocSeal?
No. There is no account or sign-up.
Are my PDFs uploaded anywhere?
No. Your files never leave your device, except when you choose to use the optional AI assistant.
How do I sign a PDF on Android with DocSeal?
Open the PDF, draw your signature on screen, then drag it to the right spot in the document. No printing or scanning needed.
How do I compress a PDF to email it?
Use Compress and pick low, medium or high compression to reduce the file size before sharing by email or WhatsApp.
Is DocSeal free?
Yes, it is free and supported by ads.
