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Smallpdf

Smallpdf is a web-based PDF platform offering more than 30 tools for editing, converting, merging, compressing, and e-signing PDF documents. It also includes AI-assisted features like summarization and translation for working with document content faster.

PDFgear

PDFgear is a free PDF toolkit covering editing, format conversion, annotation, OCR, and digital signatures, available as desktop apps, mobile apps, a Chrome extension, and online tools. Unlike many PDF utilities that gate core features behind a paywall, PDFgear offers its editing and conversion tools at no cost and without requiring account registration. The app includes built-in AI chat functionality for summarizing documents and extracting information, batch conversion between PDF, Word, Excel, PowerPoint, and image formats, and OCR that extracts text from scanned documents in more than 30 languages. A companion product, eSignGear, adds free entry-level e-signature capabilities.

PDF Expert

PDF Expert is a PDF editor and reader made by Readdle, a company founded in 2007, used by more than 30 million people worldwide with a 4.7-star rating across 211K reviews. It lets users edit text, images, and links directly inside a PDF, fill and sign forms with formula support, and manage pages by merging, rearranging, extracting, deleting, or rotating them. Beyond editing, PDF Expert includes OCR text recognition, a PDF Copilot AI assistant, PDF translation, and conversion to Word, Excel, PowerPoint, and JPG formats. It also offers annotation tools such as notes, highlights, stamps, audio notes, and drawing, plus multiple reading modes, and has been recognized by Apple as an Editors' Choice and App of the Year runner-up.

PDF-XChange Editor

PDF-XChange Editor is a Windows PDF editing application offering over 400 features for viewing, annotating, editing, and converting PDF documents. It includes OCR for scanning text from images, dynamic form creation, document comparison, and conversion to and from formats like Word, Excel, and PowerPoint. Unlike subscription-based PDF suites, PDF-XChange sells perpetual, one-time licenses with optional maintenance for updates, available in a base Editor tier and an expanded Plus tier with enhanced OCR and automated form recognition, plus volume licensing for teams and enterprises.

Xodo

Xodo is a PDF tool that lets users view, annotate, edit, and merge PDF documents from a browser, desktop app, or mobile device. It is aimed at students, professionals, and teams that need to mark up documents, fill and sign forms, and collaborate on PDFs without paying for a full desktop suite. Xodo also offers a connected e-signature product for sending documents out for signature. The core PDF viewing, annotation, and light editing tools are available at no cost, with additional capabilities available through Xodo's broader product family.

iLovePDF

iLovePDF is a web-based platform offering more than 40 free tools for organizing, converting, editing, and securing PDF files. It covers everything from merging and compressing files to OCR, e-signatures, and AI-powered summarization.