Why watermark a photo?
Watermarks are the simplest, most universal way to mark image ownership. For photographers, designers and creators they discourage casual reuse and link viewers back to the source. For brands they keep marketing assets identifiable as they bounce around social media and review sites. For internal teams they label work-in-progress screenshots so they don't end up in a customer deck by mistake.
Text vs logo watermarks
Text watermarks are crisp, tiny and easy to read even at small sizes. Pick a font, type the text (your name, your site, a copyright string), and tune the colour and weight. A semi-transparent white text watermark in a bottom corner is the photography standard.
Logo watermarks let you use a real brand mark — any shape, any colour, any complexity. For best results use a PNG with transparency around the logo, drop it in the small upload area in the settings panel, then scale it to 10–25% of the image width.
Choosing a position
Standard placements are bottom-right (least intrusive on the subject) and centre (impossible to crop out — useful for proof-of-ownership work). For e-commerce and catalogue photos the tile mode is the safest choice because it spreads the watermark across the whole image; an accidental crop still leaves several copies visible.
Opacity, rotation and scale
Opacity around 35–60% is the sweet spot for most watermarks — clearly visible without dominating the photo. Rotation lets you place a diagonal mark across the picture (try 30° for tiled patterns). Scale (for image watermarks) sets the watermark width as a percentage of the source image width — 15–25% looks professional, 40%+ becomes a feature of the photo rather than a watermark.
Bulk processing
Drop up to 20 photos in one go. The settings panel applies to every file in the queue, the first image gets a live preview, and the result downloads as either individual files or a single ZIP archive. Useful for product catalogues, real-estate galleries, portfolio batches or any time you have a folder of photos that all need the same mark.