QuickFileKit
Local processing
Your source image is decoded and rendered by your browser, not sent to our server.
Watermark Image
Add a clear, customizable text or logo watermark while keeping the original image on your device. Preview every change before downloading.
Drop an image here
or paste an image from your clipboard
Your files stay on your device.Private by design — this tool processes files locally in your browser.
Found a problem or have an idea?
Send a short report and receive a tracking code. Do not include passwords, private files, or personal information.
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How to use it
- Choose, drop, or paste an image.
- Enter watermark text or choose a logo, then adjust its appearance and position.
- Choose an output format and download the finished image.
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Why use this tool?
Precise control
Set opacity, rotation, size, color, margin, position, or repeat the watermark across the image.
Useful formats
Export as JPEG, PNG, or WebP with quality control for lossy formats.
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Related tools
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Frequently asked questions
Does QuickFileKit upload my image?
No. The watermark tool processes the source image locally in your browser and does not upload it to QuickFileKit.
Can I use a logo instead of text?
Yes. Switch to logo mode, choose a PNG, JPEG, or WebP logo, and adjust its size and opacity.
Which output format should I choose?
JPEG is compact for photos, PNG preserves transparency, and WebP often provides a good balance of quality and file size.