image tool

Add Watermark to Images Online

Add text or image watermarks to images with adjustable opacity, size, and positioning. Protect your photos.

Tool workspace

Drop an image to start

Focused workflow

Drop your file here

or browse files · paste from clipboard

Processed locally in your browser

Accepted formats

JPG, JPEG, PNG, WEBP

Controls

watermark, quality

Privacy

Runs in your browser

1

Upload

Drop your image into the watermark tool above.

2

Customize

Add text or upload a logo, then choose position, opacity, and size.

3

Download

Download your watermarked image instantly.

Why this tool works well

Private by default

Files are processed in the browser instead of being uploaded to a third-party editor.

Focused UI

You only see the controls relevant to this one task, which keeps the workflow faster.

Part of a bigger system

Use the converter or batch workspace when the job expands beyond this specific tool.

Built for fast file workflows

Convert, optimize, and ship files without sending them away first.

Konvrt keeps the experience simple: local-first processing when possible, clear pricing, strong privacy defaults, and focused tools for repetitive file work.

Local-first

Files stay on your device for supported browser workflows.

Fast answers

Use FAQ, docs, and contact paths without hunting around the site.

Clear upgrades

Move from free workflows to paid access without confusing plan language.