DocSign – Free PDF Toolkit: Sign, Edit, Scan
Completely free. No account. Works offline.
DocSign is the only PDF toolkit you’ll ever need. Sign contracts, annotate documents, merge files, scan with your camera, and create professional PDFs — all without creating an account or connecting to the internet. 100% private, 100% free, forever.
✨ Key Features
📝 PDF Editing & Annotation
eSignatures – Draw, type, or upload your signature. ESIGN Act & eIDAS compliant.
Highlight, underline, strikethrough – Mark up any document.
Freehand ink drawing – Choose from 8 colors.
Sticky notes & text stamps – Add comments or “Approved”, “Draft” stamps.
True Redaction – Permanently black out sensitive information.
🛠️ PDF Tools
Merge multiple PDFs into one.
Extract specific pages.
Rotate pages (90° increments).
Watermark – Add “CONFIDENTIAL”, “DRAFT”, or custom text.
Duplicate pages.
QR Code generator – Embed payment links or contact info.
One‑click email – Send signed PDFs instantly.
📋 16 Business Templates
Invoice, Receipt, Quotation, Purchase Order, Bill of Sale, Expense Report, NDA, Service Agreement, Freelance Contract, Rental Agreement, Non‑Compete, Offer Letter, Employment Contract, Termination Letter, Business Proposal, Meeting Minutes.
📱 Document Scanner
Camera capture with auto‑crop.
Multi‑page scanning – Batch mode.
B&W mode – Clean, print‑ready documents.
🔒 Privacy & Security
100% offline – Documents never leave your device.
No account required – Just open and use.
No data collection, no tracking.
Password‑protected PDF support.
Cryptographically signed audit trail – Legally compliant signatures.
📊 Pro Tools (No Paywall)
Document comparison – Side‑by‑side diff.
Full‑text search across PDFs.
Clause bookmarks for contracts.
Annotation summary panel – See all marks at a glance.
Keyboard shortcuts – Ctrl+S, Ctrl+Z, Ctrl+P.
🌐 Available Everywhere
Android, Web, iOS, Windows, Mac, Linux – one codebase, all platforms. Built with Flutter. Open source (MIT License).
🎯 Perfect For
Small business owners – Sign contracts, send invoices.
Freelancers – Create proposals, sign agreements.
Lawyers – Review and annotate legal documents.
Auditors – Redact sensitive financial data.
HR professionals – Create offer letters and contracts.
Real estate agents – Sign lease agreements.
Medical professionals – HIPAA‑friendly document handling.
Retail shops – Create receipts and price tags.
🔐 Your Data Stays Private
DocSign processes everything on your device. No servers, no cloud storage, no data collection. Your documents, signatures, and personal information never leave your phone.
📱 Tech Specs
Size ~57MB
Version 2.0.0
Android 5.0+
Permissions – Camera (scanner only), Storage (save PDFs)
Internet – Not required after install.
🔄 Regular Updates
We’re constantly improving DocSign. Have a feature request? Email us!
📧 contactmindai@gmail.com
🌐 https://pdf.contractmind.ai
📦 Open source: github.com/contractmind/docsign
Download DocSign today – the last PDF tool you’ll ever need. Completely free. Forever.