WizzyTools

Add a watermark to an image for free

Works offline · never uploaded 0 uses

Overlay repeating or single text watermarks on an image, right in your browser.

Updated

/ 5 - Be the first to rate this tool Thanks for rating!

Verification failed - please try again.

How it works

  1. 1

    Upload the image you want to edit (JPG, PNG, or WebP).

  2. 2

    Adjust the settings — size, angle, crop area, filter, or watermark text.

  3. 3

    Preview the result live as you adjust.

  4. 4

    Download the edited image.

Why use this tool

Every image task, one place

Resize, compress, convert, crop, rotate, filter, and watermark — no need for a heavyweight photo editor.

100% private, always

Every tool runs entirely in your browser using the canvas API — your images are never uploaded to a server.

Works on any device

Runs in the browser on Windows, Mac, Linux, iOS, and Android — nothing to install, nothing to trust but the tab.

Instant results

No queues and no desktop app to wait on — edits and conversions finish the moment you make them.

Convert to any format

Move between JPG, PNG, WebP, and ICO — output stays sharp, with quality settings when you need control.

Free, always

Every tool here is free to use, with no watermarks, size limits, or forced trial period.

Frequently asked questions

Yes, you have full control over the opacity slider to make the overlay as subtle or bold as you need.

Yes, the tool allows you to upload a secondary image file or simply type a custom text string.

Currently, the tool allows you to position a single watermark strategically rather than generating a repeating grid pattern.

The tool uses standard web-safe fonts to ensure consistent rendering across different devices and browsers.

Once downloaded, the watermark is permanently flattened into the image pixels, making it difficult to remove without advanced Photoshop skills.

From the blog

Recently viewed

Related tools

Crop an image online for free

Crop images to an exact area or aspect ratio in your browser.

Flip an image online for free

Mirror a JPG, PNG, or WebP image horizontally or vertically, right in your browser.

Apply image filters online for free

Adjust brightness, contrast, and saturation, or apply grayscale, sepia, and invert filters, right in your browser.

Chain image edits: resize, compress, convert and more

Build a chain of image steps (resize, crop, rotate, compress, convert, watermark) and run it on one or many images at once, right in your browser.

Resize images in bulk for free

Resize many JPG, PNG, or WebP images at once by percentage, dimensions, or max file size, right in your browser.

Resize an image online for free

Resize JPG, PNG, or WebP images to exact dimensions or a percentage, right in your browser.

Resize an image to Instagram post size for free

Fit or fill an image to the 1080×1080 Instagram post size, with drag-to-reposition and zoom, right in your browser.

Convert JPG or PNG images to PDF for free

Combine one or more images into a single PDF document, right in your browser.

Convert JPG to PNG for free

Convert a JPG image to lossless PNG right in your browser.

Format and minify JavaScript online

Pretty-print or minify JavaScript instantly in your browser, correctly handling strings, template literals, regex, and comments.

Format and validate JSON online

Paste JSON to pretty-print, minify, and validate it instantly in your browser.

Validate JSON against a JSON Schema

Paste a JSON document and a JSON Schema to see every validation error with its instance path. Supports draft 2020-12 and draft-07, entirely in your browser.