Add Watermark to PDF
Add text, logos, stamps, or tiled watermarks to every page in your PDF.
- On your device
- No signup
- Stays on your device
Edit
Mobile PDF Editor
Correct a date or short text run in a simple PDF with standard unembedded Latin fonts. Choose editable text, enter a replacement that fits, compare the original and edited page, and download locally. Scans, embedded fonts, forms, digital signatures, and complex text are unsupported. Document-level bookmarks and metadata are not retained.
Stays private
Processed on this device
Clear progress
Real stages, no fake percent
Honest output
Limits and warnings included
PDF
On-device processing
PDF output
25 MB max
How it works
- 1
Upload
Choose and validate your file
- 2
Process
Review options and run the tool
- 3
Download
Check the result and save it
Keep working
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Sign PDF
Place a signature image on selected PDF pages on your device.
- On your device
- No signup
- Stays on your device
Fill PDF Form
Complete supported PDF form fields and export the filled document.
- On your device
- No signup
- Stays on your device
Crop PDF
Adjust page crop boxes and download the cropped PDF.
- On your device
- No signup
- Stays on your device
Helpful answers
Is Mobile PDF Editor free?
Yes. It is free to use and you do not need to sign in or create an account.
Is my data private?
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Can I use Mobile PDF Editor on mobile?
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.