Bulk Image Watermark

Add a visible text watermark to your images.

Private by design· Processed locally · Originals unchanged

Choose files Output format Watermark text

JPG, PNG or WebP · 20 MB per image · 40 MP · Up to 20 images / 100 MB total

Metadata is not preserved. Smaller output files are not guaranteed.

Text size (pixels) Opacity Placement

Privacy, limitations & disclaimers

Images: JPG, PNG and WebP only, up to 20 MB each, 40 megapixels and 20 files; 100 MB total per batch. Metadata is not preserved. Encoding can increase size. Downloads are offered separately.

Diagonal text is rotated 45° through the image center. Oversized text is reduced to fit with padding; size and opacity apply to every placement. On very small images, use short text for readability.

Your selected files are processed in your browser. They are not uploaded to FilesStayLocal servers for processing. Your original files are not overwritten; processed results are provided as separate downloads.

Review downloaded results before relying on them. Processing may change formatting, image quality, metadata or other file characteristics. Keep your original files as a backup. Browser memory and supported-format limitations apply.

Reset clears temporary interface state and releases eligible preview URLs. It does not securely erase browser or device storage.

Select files to see a local Before → After preview. Downloads become available only after Process locally.