Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf
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Updated
Sep 8, 2026 - JavaScript
Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf
PDF Verse is a powerful web based PDF Editor with tools for editing, converting, and manipulating PDFs. Merge, compress, add or remove pages, or extract text using OCR technology. Convert PDF to DOC, Excel, PPT, JPG, PNG, Text and many more format as well and vice versa. PDF Verse also has user-friendly interface and wide range of features as well
Open-source Android PDF and document toolkit with PDF tools, Office viewing, XLSX editing, scanning, and image editing. Built with Kotlin and Jetpack Compose.
PDF optimization tool for PHP and Laravel applications
Fast PDF generation and compression. Deals with millions of pages daily.
A script to simplify compressing PDF file size with GhostScript
23 private, open-source desktop PDF tools: edit, merge, convert, compress and OCR locally—no uploads, accounts or telemetry.
PDF Compress — Shrink large PDFs for email, portals, and sharing — without uploading to any server. Choose your compression level, watch real-time progress, and download a lighter file in seconds. Free, private, and no watermark. Free on ToolAdda.online.
Edit texts in your Pdf for Free, open-source PDF editor that runs entirely in your browser - no uploads, no limits, no sign-ups.
The Best Open Source PDF Compression Engine
PDF Manipulator: A versatile toolkit for editing, annotating, merging, splitting, compressing, and converting PDFs. Seamlessly add pages, extract images, and preview files with intuitive drag-and-drop. Fully responsive across devices for effortless document management.
Fast and simple local PDF compression for macOS, Windows, and Linux. Drag, drop, done.
Free offline app to compress large video, images, audio & PDF — target exact MB/KB sizes and useful for all and also content creators for big files and video. And its completely free.
Open-source, free and offline document scanner & PDF manager for Windows. Smart crop, compress, convert, sign, anotate, and redact documents locally.
PDF, image, and archive (Tar/Zip) compressor and extractor using Ghostscript, GD, tar and zip
PDF Compress, Editor Choose your compression level, watch real-time progress, and download a lighter file in seconds. Free, private, and no watermark
Smart PDF compressor for both image and vector PDFs
Python Scripts to compress PDF files using Ghostscript.
The free, open-source PDF Swiss Army Knife, merge, split, compress, edit and more. Offline-first, privacy-focused. Built with Tauri, React & Rust.
Caxuo PDFchop: A free, portable bulk PDF processor for Windows. Compress, Watermark, Rotate, Merge & Extract pages as images 100% offline, ad-free.
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