service terms · free browser tools
Terms of Use
Last updated: 7 November 2026
Service
PDF4.IN provides Merge PDF, Add Page Numbers, and PDF Info free of charge. No account or payment is required. Real advertisements are disabled. PDF4.IN is independently operated from Surat, Gujarat, India – 394510.
Use and file handling
Use the tools only with files you are entitled to process. The three tools process files in your browser and do not send PDF bytes to a PDF4.IN processing endpoint. You control the files you select and the copies you download. Keep your original where the document matters.
Tool limits
- Merge PDF combines supported files, but may not preserve every bookmark, form feature, signature, or other PDF structure.
- Add Page Numbers supports unencrypted pages without rotation or crop boxes and refuses numbering that does not fit.
- PDF Info inspects supported metadata and selectable text; it is not a complete conformance, accessibility, or security audit.
Availability and changes
The free tools are provided without an account or payment. Browser and PDF variations can affect results. The site or an individual tool may be changed, paused, or unavailable. Check important output independently before relying on it.
Contact
For support availability and the project location, see the Contact page.