How to use Image Watermark online, free

How to use Image Watermark online, free

By Hami Tech·April 12, 2026·Updated April 30, 2026·3 min read

Overlay a text or logo watermark onto an image - useful for photographers and designers who want to mark their work before sharing previews online, discouraging unauthorized use of the full-quality original.

Most people open this because a photo is too big, in the wrong format, or they do not want to install an editor for a two-minute job.

Image Watermark is a good fit when publishing portfolio previews safely on social platforms.

Why this exists

Image Watermark is built around a few practical wins, not a long feature list:

  • Discourages casual unauthorized reuse of your media.
  • Keeps branding visible across reposts and previews.
  • Supports both text and logo watermark styles.
  • Quick workflow for photographers, artists, and agencies.

Walkthrough

  1. Upload base image. Select the photo or artwork you want to protect before sharing.
  2. Add text or logo watermark. Use brand name, copyright text, or a logo graphic.
  3. Position and opacity tuning. Set size, placement, and transparency so branding is visible but not distracting.
  4. Export protected version. Download final watermarked image for web publishing or client proofing.

Jobs it is built for

  • Publishing portfolio previews safely on social platforms.
  • Sending client proof images before final delivery.
  • Branding marketplace photos and promotional visuals.
  • Marking stock-photo samples for public listings.

Worth knowing before you start

  • Place watermark where cropping cannot remove it easily.
  • Use moderate opacity so mark is clear but image remains usable.
  • Keep logo watermark in high-contrast variant for mixed backgrounds.
  • Save an unwatermarked master file separately.

What not to expect

  • Putting watermark only in a corner where it is easy to crop out.
  • Using opacity too low to be visible after compression.
  • Using opacity too high and ruining image readability.
  • Assuming watermark alone is complete legal protection.

Privacy, in one paragraph

Image Watermark runs in your browser. The file or text you paste stays on your device. There is no account, and nothing is stored on a ToolBox server for this job.

If this is one step in a longer job, these usually come after it:

  • Image Compressor - Compress images without losing quality
  • Image Resizer - Resize images to any dimension
  • Remove Background - Professional AI background removal. Server result first, then a second on-device option you can compare and use in the editor

Short answers

Can I use my own logo as the watermark instead of text?

Yes - upload an image (like a logo) to use as the watermark instead of, or alongside, text.

Can I control the watermark's position, size, and transparency?

Yes - position it anywhere on the image, resize it, and adjust its opacity so it's visible without overwhelming the photo underneath.

A visible watermark discourages casual reuse and marks work as yours, but it's a deterrent, not a technical/legal lock - determined people can still crop or edit around it.

Open the Image Watermark when you are ready. It is free, and you do not need an account.