Stirling-PDF
Free tierA self-hosted all-in-one PDF toolbox
Open Source No Ads No Tracking No Sign-up Self-hostable
A locally hosted web app with 50+ PDF tools — merge, split, convert, compress, OCR, watermark, sign, redact and more. Deploy it on your own server via Docker so files never leave for a third party.
Why we picked it
Online PDF tools are convenient, but every contract, invoice and resume you upload lands on someone else's server. Stirling-PDF brings those capabilities back home: one Docker container, 50-plus tools, all running locally.
Its core features are MIT-licensed, permanently free, ad-free and require no account. Only enterprise extras like team management and SSO are paid, so individual and self-hosted use is fully covered — an ideal pick for privacy-conscious PDF work.