Ceroxi
100% In-Browser · Zero Server Uploads

Add Watermark to Image

Add a watermark to images to protect them from reuse. Control position, opacity and style without losing quality.

Free forever
No account needed
Files stay on device
Instant results

Upload an image to add watermark

Add text watermark with position, opacity and style control

JPG · PNG · WebP · AVIF · GIF · BMP · HEIC · TIFF · Up to 50 MB

Add a watermark to your images to prevent theft, protect copyrights and keep your brand visible across platforms. Customize watermark text, position, color, opacity and size, then export instantly. Ideal for photographers, designers, social media and content creators who want fast watermarking without quality loss.

How to add watermark to image online

  1. Upload your image from your device.
  2. Enter watermark text (brand name, copyright or signature).
  3. Choose position using the 3×3 grid for precise placement.
  4. Adjust style: font size, opacity (recommended 40–70%), color and optional text shadow.
  5. Click "Apply watermark" and download the final image in JPG, PNG or WebP.

Why use this Watermark Tool

Control watermark visibility

Adjust opacity (30–70%) to keep watermark visible but not distracting, ideal for social media and portfolios.

Precise placement with 3×3 grid

Place watermark in corners, edges or center to prevent cropping or removal after upload.

Optimize for web and sharing

Export as JPG, PNG or WebP and keep balance between quality and file size for faster loading.

No quality loss, 100% private

Watermark is applied without reducing resolution. All processing happens locally in your browser.

Supported formats

Input formats
JPGPNGWebPAVIFGIFBMPHEICTIFF
Watermark type
Custom text (positionsizeopacitycolor)
Output formats
JPGPNGWebP
Privacy

100% browser-based

Frequently asked questions

Use high export quality (80–100%) and avoid resizing. The watermark is applied on top of the image without changing resolution.

Use 40–70% opacity. Lower values (20–30%) are subtle but easier to remove, while higher values (70%+) are more secure but more visible.

Place it near edges or slightly inside the image (bottom-right or center). Avoid corners only, as they can be cropped easily.

No. The watermark does not reduce resolution. Only export compression (JPG/WebP) may affect file size and quality.

Use JPG for photos, PNG for graphics and WebP for smaller file size with good quality.

Yes. This tool is ideal for protecting images before uploading to Instagram, Facebook, LinkedIn or websites.

Adjust opacity and color contrast. Light text works on dark images, darker text works on light backgrounds.

It reduces misuse and discourages copying, but for full protection combine watermarking with EXIF removal and lower resolution uploads.

Yes. The tool runs locally in your browser. Your images are never uploaded or stored.