SafeMark | Local Watermarking and Crop Tool

Prepare files safely before you share them.

SafeMark adds visible watermarks to images and PDFs directly in your browser. Nothing leaves your device.

1

Drop your file

Image or PDF, opened locally. No account, no transfer.

2

Set the watermark

Text, opacity, color, size, position. Live preview as you go.

3

Download

Export instantly. Your original file is never modified.

Add your file

Supports JPG, PNG, WEBP, GIF, BMP and PDF.

Images can also be cropped before export.

Click or drag and drop

Choose one file to start the local preview.

JPG PNG WEBP GIF BMP SVG PDF

or

Clear live preview before export.

Original file stays unchanged in your browser session.

File

No file selected

Ready for upload

Crop image

Images only

Watermark

Text

Opacity 50%

Size 50px

Angle -45°

Color

Coverage

Best practices

Prefer full cover - it is generally safer and harder to remove than a single watermark.
Apply a diagonal, tiled watermark across the document.
Choose a medium to large text size - avoid tiny text.
Use medium to high opacity so it stays clearly visible.
Pick a color with strong contrast to the background.
If using single placement, put it over the most sensitive content while keeping everything readable.
Include recipient, purpose, and date in the watermark text.
Share only the minimum required information.

Position

Left - Right 50%

Top - Bottom 50%

Actions

Preview

Live result

Rendering...

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Export

Output format: - File never leaves your device

Drop file here