
Stirling-PDF
Alternative to Adobe Acrobat
Stirling-PDF is an all-in-one web tool for PDF operations. It performs 40+ PDF operations including merge, split, convert, compress, OCR, and sign directly in the browser without sending data to external servers.
- 40+ PDF operations including merge, split, rotate, page deletion, and reordering
- Format conversion between PDF and images, Word, Excel, and PowerPoint
- OCR text extraction from image PDFs via Tesseract OCR integration
- Compression for PDF file size optimization
- Signatures for adding electronic signatures and signature fields to PDFs
- Security for adding or removing password protection and PDF encryption
Built with Java and Spring, Stirling-PDF is self-hosted via Docker. It serves as an Adobe Acrobat alternative for users who want to keep all PDF operations completely local.
Replaces
Related Tools
dify
Production-ready platform for agentic workflow development.
uptime-kuma
A fancy self-hosted monitoring tool
hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
vaultwarden
Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
gitea
Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
refine
A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.
keycloak
Open Source Identity and Access Management For Modern Applications and Services
harbor
An open source trusted cloud native registry project that stores, signs, and scans content.