Everything runs locally
All Free Online PDF Tools
21 powerful tools for organizing, converting, editing, and securing your documents — private and browser-based.
The complete free PDF toolkit
Whether you need to merge PDF files, split pages, compress a large attachment, or convert PDF to Word, JPG, or Excel, CS PDF Editor gives you a private workspace that works entirely in your browser. No cloud upload means better privacy for contracts, invoices, homework, and personal documents.
PDF tools FAQ
- What PDF tools are included?
- CS PDF Editor includes 21 free tools covering merge, split, compress, convert, edit, watermark, rotate, protect, unlock, sign, repair, organize, and scan to PDF.
- Are these PDF tools really free?
- Yes. Every tool is free to use with no account, no watermarks, and no paid upgrades required for core features.
- Do you upload my PDF files?
- No. Tools process documents locally in your browser so files never leave your device.