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Image & PDF Watermark Generator - Online

Text, color, font and rotation controls with a real-time preview. Everything runs in your browser.

Upload & Live Preview

Updates in real time

Drop an image or PDF

or click to browse · JPG, PNG, WebP, PDF

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Built with privacy in mind. All processing happens entirely in your browser using open-source libraries.

What is a Watermark Generator?

A watermark generator places a text label over images or documents to mark ownership and build recognition. You type the text, choose where it sits, adjust opacity, size, color, and rotation, watch a live preview, and download the protected file. It turns an otherwise slow design-tool task into a two-minute job.

Watermarks serve two practical purposes. First, they discourage casual misuse of your work — a visible name or brand over a photo makes it harder for someone to pass it off as their own. Second, they are free advertising: every time an image circulates, the watermark keeps the creator’s name attached to it. Photographers sharing proofs, designers previewing drafts, and businesses sending images to clients all rely on this. Doing it well means keeping the mark readable without destroying the image, which is exactly what opacity and position controls are for.

This tool supports JPG, PNG, WebP, and PDF files, and offers multiple positions including diagonal tiling so the watermark covers the image evenly. Everything is rendered locally in your browser, so your original files are never uploaded — important when you are watermarking unreleased photography or client work. There is no size limit and no account required.

The most common setup is a studio name or logo text placed at reduced opacity in a corner or tiled diagonally across the image, so the mark is visible but the subject stays clear. Applying the same watermark to a whole set of proofs or client previews builds recognition with every file you send.

Watermarking is also a workflow habit, not just a one-off task. Photographers and studios routinely apply the same mark to entire batches of proofs or previews, and doing that by hand in an editor is time-consuming. A generator that remembers your settings and applies them consistently across every file keeps the process quick and the branding uniform.

Key features

  • Text watermarks with full control over style and position
  • Live preview while you adjust opacity, rotation, and color
  • Supports JPG, PNG, WebP, and PDF
  • Multiple placements including diagonal tiling
  • No signup, no uploads, no size limits

Who is it for? Photographers sharing proofs, designers previewing work, content creators building brand presence, and small businesses protecting product images.

Why use a Watermark Generator?

Unmarked images travel. Once a photo or design is shared, it can be cropped, reposted, or reused without credit, and chasing that down afterward is nearly impossible. A visible watermark changes the economics of casual misuse: it makes taking credit noticeably harder and keeps your name attached to every version that circulates.

The tool also makes watermarking something you actually do, instead of something you keep postponing. With live preview, adjustable opacity and position, and support for both images and documents, a professional-looking mark takes a couple of minutes rather than a design-tool session. And because everything is applied locally, your original photography and client files are never uploaded.

How to use the Watermark Generator?

  1. Drop an image or document onto the upload area.
  2. Type the watermark text you want to display.
  3. Fine-tune opacity, position, color, font, and rotation.
  4. Click Apply watermark & download.

Frequently Asked Questions (FAQ)

Is the Watermark Generator free?

Yes, free with no signup or limits.

Are my files uploaded to a server?

No. Watermarks are applied locally in your browser.

Is there a file size limit?

No hard limits, though very large files may take longer on your device.

Can I use this on my mobile phone?

Yes, it works in mobile browsers.

Can I watermark PDF documents too?

Yes — the tool accepts both images and PDF files, and the watermark is applied locally in your browser.

Can I adjust the watermark position, size and opacity?

Yes — opacity, position, color, font and rotation are all configurable, with a real-time preview.