Add text watermarks to photos in your browser: position, opacity, tiling and size controls, instant PNG download.
A watermark is the simplest provenance signal a creator can add: it puts your name on the pixels themselves, so any screenshot, repost, or scrape carries your attribution along. Watermarks do not stop determined thieves — a motivated editor can crop or blur one — but they stop the casual repost that makes up most unauthorized sharing, and they make your work findable when it travels. The decision most creators face is prominence: a huge diagonal tile is theft-proof but ugly; a small corner mark preserves the image's look while still claiming authorship. Tiling is the usual compromise for publicly posted previews, corner marks for portfolio-quality displays.
| Style | Best for | Trade-off |
|---|---|---|
| Corner text mark | Portfolios, client work | Least intrusive, easiest to crop |
| Center text | Proofs, drafts | Unmissable, obscures content |
| Diagonal tiled text | Public previews of paid content | Theft-resistant, degrades viewing |
| Logo mark | Brands, studios | Professional look, needs a clean transparent PNG |
Everything happens in your browser: the image is loaded into a canvas, your text is drawn at the chosen position, size, and opacity — repeated diagonally if you enable tiling — and the result is offered as a PNG download. No upload occurs, nothing is stored, and the tool works offline once loaded. For batch watermarking of many files, apply per file; the operations are identical.
A watermark tells the world whose work an image is; it does nothing once theft has already happened. Enforcement — finding copies, proving authorship, filing takedowns — is a separate discipline, and doing it by hand is exactly the grind our DMCA cost calculator quantifies. Creators who publish professionally typically pair prevention (watermarks, down-res previews) with monitoring and enforcement tooling: authAspect handles the enforcement side for image creators, detecting unauthorized use and preparing takedown actions. The two layers together are what actually protect income.
Common defaults that work: 40–60% opacity so the mark reads but doesn't dominate; a font size around 3–5% of image width for corner marks; white text with a subtle dark shadow so it survives both light and dark backgrounds. For tiled marks, 30–45° rotation and 30% opacity reads as a clear claim without wrecking the preview. Consistency matters more than cleverness — the same mark, same corner, every image, builds a recognizable signature over time.
Context should drive style. Stock and portfolio sites expect a clean, unobtrusive mark because buyers need to evaluate the image — a heavy tile reads as amateur there. Marketplace listings for physical goods rarely need marks at all, since the photo is the product's face, but photos of receipts, tickets, and ID documents shared in disputes benefit from a diagonal text stamp showing provenance. Social posting of original art sits between: a corner mark claims authorship without hiding the work, while public previews of paid galleries or presets are the textbook case for tiling, where the preview must be assessable but not cleanly crop-able.
A closing word on the economics of the habit. Watermarking costs minutes per week and saves the kind of attribution loss that is nearly impossible to reverse after the fact — once an unmarked image spreads, reclaiming authorship retroactively means proving ownership instance by instance. Prevention is cheap; retroactive enforcement is not. That asymmetry, more than any tool, is the argument for making watermarking part of your export pipeline rather than an occasional afterthought when something feels risky.
Whichever context applies, the mark should reference something findable — a name, a handle, a domain — rather than an opaque symbol. The point of attribution is that someone who sees the image months later, detached from its original posting, can trace it back to you. A symbol only helps if it is already famous; a readable handle works from zero.
Creators who watermark consistently usually settle on a two-file habit: for each image, export a clean master (archived privately, full resolution, metadata intact for provenance) and a publish copy (resized for the platform, watermarked, metadata stripped if privacy matters). The publish copy is what goes out; the master is what proves ownership and feeds future derivative uses. This doubles storage but removes the classic mistake of having only the watermarked version when a client or buyer asks for the clean file, and it keeps your enforcement evidence — the untouched original — separate from the version that circulates.
Batch the work: watermarking is most tedious done one-off per post and most painless as a ten-minute pass over a week's export folder. Consistency also compounds recognition; a watermark that moves position, size, and style every post trains nobody to recognize it.
Honest limits keep expectations useful. A watermark does not encrypt, license, or legally register anything — it is a visible claim, not a rights mechanism. It does not survive determined removal by a skilled editor, and it does not notify you when theft happens. Each of those gaps belongs to a different tool: registration and licensing to legal process, detection to monitoring services, enforcement to takedown workflows. Creators who understand the boundaries deploy watermarks as the cheap first layer of a stack, not as the whole stack, and they sleep better for having the other layers actually in place.
Pick a mark — name or handle, one font, one corner — and apply it to the next ten images you export. That is genuinely the whole setup. The consistency you build over the following weeks is worth more than any upgrade in tooling, and every image published from day one carries your claim forward. When your catalog or your audience grows to the point where monitoring matters, the marked back-catalog will make that transition measurably easier, because attribution on the pixels themselves is where every enforcement case begins.