Image Watermark

Stamp a text watermark on any photo: pick the corner or center it, tune size, color and opacity, or tile it diagonally across the whole frame. Live preview, full-resolution download — all on a canvas in your browser.

image-watermark · runs locally
Drop an image here, click to browse, or paste from the clipboard. PNG, JPEG, WebP, GIF or SVG.

How this watermark tool works

Drop in a photo and type your mark — a name, a © line, a handle. The preview re-renders live as you adjust the font size (the default scales with the image, about 1/25th of its width), color, opacity and position on a nine-point grid. Every option is drawn on a canvas in your browser, and the download composites the watermark at the photo’s full native resolution, not the preview size. Text gets a faint dark outline underneath the fill, so a white watermark stays legible on a snow scene and a dark one survives a night shot.

The tile checkbox is the serious mode: it repeats the text diagonally across the entire frame at -30°, staggered row by row. A single corner mark is easy to crop off; a lattice that crosses faces, products and sky repeatedly is genuinely tedious to remove, which is why stock-photo sites watermark exactly this way.

Watermarking step by step

  1. Drop, paste or browse for a photo — PNG, JPEG or WebP.
  2. Type the watermark text and pick a color.
  3. Set size and opacity, choose a grid position — or tick tile mode.
  4. Download at full resolution.

Before you publish

A watermark protects the pixels, but photos leak information other ways too: EXIF metadata can carry GPS coordinates, timestamps and device details. Strip it with the Image Metadata Remover before posting, and if the watermarked file is heading to the web, shrink it with the Image Compressor — smaller files also give thieves less resolution to work with.

Frequently asked questions

Is my photo uploaded anywhere?

No. The image and the watermark are composited on an HTML canvas entirely inside your browser, and the download is encoded on your device. Nothing is transmitted or stored — which matters precisely when you're watermarking work you don't want circulating unprotected.

Does a watermark actually stop image theft?

Honestly: it deters casual reuse, and that covers most cases. A corner watermark can be cropped away in seconds; the diagonal tile mode is far harder to remove because it crosses the subject repeatedly. But no watermark is foolproof against a determined editor — treat it as attribution and friction, not absolute protection.

Where should I place the watermark?

For protection, over the content — across the subject or tiled over the whole frame — because empty corners are trivially cropped or cloned out. For polite attribution on portfolio images, a bottom corner at modest opacity keeps the photo enjoyable. The faint dark outline this tool adds keeps light text readable on light photos either way.

Does watermarking reduce image quality?

The pixels outside the text are untouched, but the file is re-encoded once: PNG sources are re-saved losslessly, while JPEG sources are re-compressed at quality 0.92 — a single, visually negligible generation. Keep your unwatermarked original as the master copy.

Image Cropper

Crop images by dragging a selection, with free-form or fixed aspect ratios.

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Image Compressor

Shrink JPEG and WebP file sizes with a quality slider and live before/after comparison.

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Image Metadata Remover

Strip EXIF metadata — GPS location, camera, timestamps — from photos before sharing.

Open tool →