03 / GUIDE
How it works
- 1Choose a document from your device.
- 2Review the page or layout options.
- 3Process locally and download the validated result.
Edit · Works on your device
Add image watermark
Stamp a logo or signature image on every page, centred or tiled.
01
Choose a file
or drop here — PDF up to 50 MB
04 / LIMITS
Supported files and limits
PDF inputs can be up to 50 MB and 500 pages. Image tools accept JPG, PNG and WebP. Password-protected or malformed files may require a server provider and are rejected here.
05 / PRIVACY
What happens to your file
The source bytes are transferred to a browser Web Worker, not uploaded. The result is reopened for validation before download and the temporary link is revoked when you leave.
06 / FAQ
Common question
Does Meldra upload this file?
No. This tool is explicitly marked local and its processing path contains no upload request.