Apps with 'Sign PDF files' feature Page 6 of 15

Free Digital Signature Software that works without any file upload to ensure privacy and security

Combine, merge and reorganize pages of multiple PDF pages and images into one PDF document without any file upload.

The document scanner for iPhone that gives your important documents a proper home.

PDF Reader - Editor, Scan & TTS by Dev_Software is a mobile solution designed to scan, edit, and listen to your documents in one place.

Concord delivers contract management for the 90% of agreements that don't need legal complexity. The platform combines contract creation, real-time collaboration, e-signature, and AI-powered review in a single workflow.

ContractHero is a contract management solution that recudes contract chaos and provides easy access to the most important information in a company.

40+ free PDF tools plus AI-powered contract review, invoice extraction, and document chat — all in your browser, no signup needed.

Drawboard Projects (formerly Bullclip) streamlines markup communication on PDF drawings and documents, reducing team frustration and time.

Create, sign and share simple agreements from your phone in minutes, and let the other party sign from any browser with no app or account.

FormsPal is an online PDF platform for creating, editing, converting, signing, and managing PDFs and forms. It combines fillable templates, PDF tools, e-signatures, and collaboration features in one organized workspace.

PDF editor for Android with zero INTERNET permission - check it yourself in Settings > Apps > Permissions. No paywall: every feature is free.

Web-based solution for secure, AATL-compliant electronic document signing, ISO 27001 certified, with e-Sign API, real-time tracking, instant delivery and no software required.

Cryptographic e-Seal and document signing platform. ZertES (Switzerland), eIDAS (EU), and UAE Pass compliant. Certified by Swisscom Trust Services. Court-proof timestamps valid in 180+ countries.

The main purpose of the app is to provide a fully offline, privacy-focused toolkit for editing, converting, and managing PDF files directly on your device without uploading or tracking data.

OpenFilz is an open-source document management system (DMS / ECM) built for organisations that want to keep control of their documents. It runs on your own servers, in your own cloud, or as a dedicated managed instance hosted in Europe.

Trevnoctilla lets you edit, merge, split, compress, and annotate PDFs directly in your browser—no downloads or installations required. Fast, secure, and completely free.

Mobile-first change order software for contractors. Create a change order on site, text your client a signing link, and they sign in their browser - no app or account required.

A secure platform that combines eSignatures, blockchain verification, and instant payments in one place. It helps freelancers and teams sign and pay contracts faster with full legal protection.

Securely sign, approve, collaborate, and manipulate your documents online.

Sonder Sign is an electronic signature service that brings different signing needs into one straightforward workflow, with both the sender and signer in mind.

Folibird is a fast, lightweight PDF toolkit for Windows that works 100% offline. Your documents are processed on your own computer and are never uploaded anywhere – ideal for contracts, invoices, ID scans and other private files.

Simple e-signatures and proposals for freelancers and small businesses. $9/month, no annual contract, pause anytime, unlimited documents.

Flat-fee e-signature platform with unlimited users, unlimited documents, legally binding signatures, audit trails, custom branding, and secure cloud hosting.

Free 4.6 MB PDF viewer for Windows and macOS that just opens. Tabs, search, page editing, dark mode, annotations, signatures. Zero network calls.

Holosign provides free e-signatures for freelancers and small businesses.

PDF Auditor is a native macOS application designed for developers, QA engineers, and security analysts who need to see "under the hood" of a PDF file.