Add a Watermark to Your Images

Adding a watermark to a photo takes three steps. First, drop or choose the image you want to protect — PNG, JPEG or WebP all work, and for a visible watermark the file is processed locally in your browser and never uploaded. Second, choose a text watermark (your name, brand, or a copyright line) or upload a transparent PNG logo. Third, drag the watermark to position it, then fine-tune the size, opacity, rotation, and color, or tile it across the whole image so it can't be cropped out. Click download and you get a full-resolution watermarked image.

Because the visible watermark is composited on a canvas at your image's native resolution, there is no quality loss and no watermark on our end — you keep the original pixels everywhere except where your mark sits. A semi-transparent, tiled watermark is the hardest to remove and the best choice when you're posting work publicly; a single small logo in a corner is cleaner for portfolios and product shots.

To add a watermark to a video, open the video tool, choose your clip, and type your text or upload a logo. You can drag the watermark anywhere on the frame, set its opacity and size, and tile it across the whole video. The watermark is burned into every frame as the clip plays and exported as a new file you can download — all in your browser, with the audio preserved.

Video watermarking is the standard way to protect footage before posting to YouTube, TikTok, Instagram, or a client portal: a persistent logo or handle in the corner deters re-uploads and keeps attribution attached to the clip wherever it travels. For longer or higher-resolution videos, processing runs in real time as the clip plays, so a one-minute video takes about a minute to watermark.

A visible watermark is a logo or text laid over the image or video — it's obvious, it deters casual theft, and it carries your brand every time the file is shared. An invisible watermark is hidden in the pixels themselves: the image looks untouched, but a hidden identifier is woven into the frequency data so you can later prove the image is yours even if someone crops out or never had a visible mark.

Watermark Studio does both. The visible editor is free and unlimited. The invisible watermark is a SynthID-style signal embedded across the image that survives JPEG re-compression, resizing, screenshots, and social re-uploads, and it's registered to your account so our detector can trace a found watermark back to you. Use a visible watermark to advertise ownership and an invisible one to prove it.

Alongside the invisible watermark you can attach Content Credentials — a signed provenance manifest embedded inside the file. It records who created the image, an optional link and copyright line, and whether the work is AI-generated or flagged “do not use for AI training.” The manifest is signed with our Ed25519 key, so anyone can verify it hasn't been tampered with, and it's bound to the pixels by a hash — if the image is re-encoded, our detector reports that the pixels changed since signing.

These are GPT Watermarker Content Credentials, signed and verified by us — they are not certified C2PA claims and are not read by Adobe's Content Credentials verifier. If you also work with AI images, you can strip third-party C2PA and SynthID with our watermark remover.

• Deter theft and unauthorized reposting — a visible mark makes casual copying pointless.
• Keep attribution attached — your handle or logo travels with the file across every platform.
• Prove ownership later — an invisible watermark and signed credentials let you demonstrate a file is yours even after it's cropped, resized, or re-uploaded.
• Protect against AI scraping — flag your work "do not train" and mark AI-generated images honestly.
• Brand every share — turn every repost into free promotion for your name or business.