Add a Watermark to Photos Online Free — All-in-One Privacy Toolkit
10+ free privacy tools in one place: EXIF remover, mosaic & blur, compressor, converter, resizer, PDF watermark and batch watermarking.
100% local processing — your images never leave your browser.
Upload Image
Drag & drop image here, or click to select
Supports JPG, PNG. Max 10MB
Watermark Settings
💡 Quick Templates
Preview
Frequently asked questions
Is my photo uploaded when I add a watermark here?
No — ImageMarker runs entirely inside your browser using the Canvas API, so your original photo never leaves your device. There is nothing on our side to store, log or leak. Switch on flight mode and the tool still works, which is the simplest way to prove it to yourself before you use it on a sensitive document.
What text should I put in the watermark?
Three things: the recipient, the purpose, and the date. For example, 'For Bank of America account opening only — 6 Sep 2026'. A generic 'COPY' or 'CONFIDENTIAL' names nobody and limits nothing, so it deters very little. Naming one recipient and one purpose is what makes the file hard to reuse somewhere else.
Can I add a logo image as a watermark instead of text?
Yes. Switch the watermark type to image, upload a PNG (transparent background works best), then position it on the photo and adjust its opacity. Text and image watermarks can be combined on the same photo.
Will the watermark stay if the photo is later compressed or resized?
Yes — the watermark is baked into the pixels of the exported image, so any later compression, resizing or conversion preserves it. It is not a separate metadata layer and cannot be stripped by uploading to a platform that removes metadata.
Does this work on my phone?
Yes. ImageMarker runs in any modern mobile browser (Safari on iOS, Chrome on Android), so you can photograph a document, watermark it and send the marked copy without ever leaving the phone. No app install, no account.
Is a semi-transparent watermark on my own ID legal?
Adding a semi-transparent purpose note across a photocopy of your own document is a labelling step, not tampering with the document itself — the identifying details stay readable and your physical card is untouched. If a particular institution has its own rules for copies it accepts, check with them before sending.
All Tools
10+ privacy-first image tools — all run 100% in your browser
Watermark
In useAdd text or logo watermarks to IDs & docs
Batch Watermark
Watermark many images at once
PDF Watermark
Stamp watermarks onto PDF files
PDF Password
Password-protect a PDF with AES-256
Mosaic & Blur
Mosaic, blur or box out sensitive parts
EXIF Cleaner
Strip GPS location & camera metadata
Compress
Shrink file size while keeping quality
Convert
Convert between JPG, PNG & WebP
Resize
Resize image width & height
AI Remove BG
Remove image backgrounds with AI
Social Crop
Crop to sizes for every social platform
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Features
Privacy First
Images are processed entirely on your device and never uploaded — your photos and documents stay private.
Works Offline
Installable as a PWA — add it to your home screen and use it without an internet connection.
Fast Processing
Live preview of your watermark and one-click download for a smooth, instant workflow.
Photos hide GPS location and camera data — remove EXIF in one click
Before sharing a photo, strip out the GPS coordinates, capture time and camera model stored in its EXIF metadata. Also 100% local — nothing is uploaded.
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