Edit image
Rotate, flip, and apply practical tonal adjustments with undo and redo for quick corrections that do not need a layered graphics editor.
Add an image watermark
Apply text or image watermarks to a batch and control position, size, angle, opacity, outline, shadow, background, and tiled repetition.
Local processing: your source images stay on this device.
Files
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Settings
ID photo compositionOn-device detection only suggests a crop; you can still adjust it before export.
This image’s crop has not been confirmed.
ID photo backgroundOptional on-device portrait cut-out; the original never leaves your device.
Dimensions
Preset sizeCommon platform sizes
Select one or more sizes; each image is exported in every selected size.
Icon safe area
One composition generates favicon, PWA and common app sizes, plus a manifest.
Crop areaDrag the box to resize or reposition it
Rotation0°
Quality
Padding on each sidepx
Upscale imageReal-ESRGAN · 2×
Frame rangeLeave the last frame blank to use the rest.
Base64 increases data size. This tool limits input to protect browser memory.
How to use
Add an image watermark
What this tool is for
Apply text or image watermarks to a batch and control position, size, angle, opacity, outline, shadow, background, and tiled repetition.
How to use it
Choose a text or image watermark, position it on the preview, and tune size, angle, opacity, margins, stroke, shadow, backing, or tile spacing. Test both light and dark photos before applying the settings to a batch.
Results and next steps
Each selected source produces one result card with preview, pixel dimensions, format, and size. Download one file, selected files, or the complete ZIP.
Privacy and local processing
Processing runs in your browser. Source images are not uploaded by this tool.
Before you start
Your browser must decode images into memory. Very large files, long animations, and large batches may require substantial memory. Check the preview and export details, and verify the latest official requirements before submitting identity, application, or print-ready images.
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