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61 browser tools Works on mobile Free to use

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We do not upload, store, or track the files you process.

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Built for trust with clear local limits.

Image Tools / Stable

Add a Watermark to Images Online

Place a configurable text watermark on JPG, PNG, or WEBP images and export a new copy.

Quick answer

What does Watermark Image do?

Place a configurable text watermark on JPG, PNG, or WEBP images and export a new copy. The selected image is processed locally in this browser without being sent to a backend conversion server. A visible watermark can still be cropped or edited and is not proof of copyright ownership.

Use Watermark Image when you need to add a visible text watermark to an image. Common uses include mark preview photos, add a draft label, place a simple attribution on shared images.

Input: image
Processing: In this browser
File upload: No
Price: Free

Designed around the task

Why use Watermark Image?

Focused controls, local processing, and clear limits help you finish the job without sending the document to a conversion server.

Focused results

Draws the watermark text into the exported image pixels.

Useful browser controls

Does not add cryptographic ownership or modify the source file.

Desktop and mobile

Use Watermark Image in a current desktop or mobile browser without installing a separate app.

Simple local workflow

Create an output you can inspect before sharing.

Private by design

The selected image is processed by JavaScript running in this browser for Watermark Image. NoLogPDF does not send it to a backend conversion API, and file names, contents, form values, passwords, and output data are excluded from site analytics.

Automatic file recognition

NoLogPDF checks the selected file in your browser and shows the controls available for Watermark Image.

How to use Watermark Image

Choose an image.
Enter the watermark text.
Adjust position, size, color, and opacity controls.
Apply and download the watermarked image.

What Watermark Image changes

Draws the watermark text into the exported image pixels.
Does not add cryptographic ownership or modify the source file.

Browser-only privacy

Limits to know before using Watermark Image

A visible watermark can still be cropped or edited and is not proof of copyright ownership.
Low opacity or poor contrast can make the mark difficult to see.

Common uses for Watermark Image

Mark preview photos.
Add a draft label.
Place a simple attribution on shared images.

Next step: Continue this workflow with Image Background.

Watermark Image questions

How does Watermark Image work?

Place a configurable text watermark on JPG, PNG, or WEBP images and export a new copy. Choose an image. Enter the watermark text. Adjust position, size, color, and opacity controls.

Does Watermark Image upload my image?

No. The selected image is read by code running in this browser for this operation. NoLogPDF does not send it to a backend conversion API or include document data in analytics.

What does Watermark Image change in the output?

Draws the watermark text into the exported image pixels. Does not add cryptographic ownership or modify the source file.

What limits should I know before using Watermark Image?

A visible watermark can still be cropped or edited and is not proof of copyright ownership. Low opacity or poor contrast can make the mark difficult to see.

Published and maintained by NoLogPDF

How this tool page is checked

The instructions describe this browser implementation, its expected output, and its known limits. Core workflows are exercised with local fixtures, output files are validated where the format allows, and mobile behavior is checked at a narrow viewport.