Image Watermark — Tutorial

Features

• Home has Upload and Import from clipboard; Ctrl/Cmd+V supported.
• Tiled text watermark with live preview.
• Top bar uses icon + value controls for size, color, spacing, and angle; opacity in the color picker (defaults: 16pt, soft slate, 18%).
• Full-screen workbench after upload.

Use Cases

• Copyright marks on photos.

FAQ

What limitations should I know?

All processing runs locally — files are not uploaded.

When might it fail?

No font picker; system sans-serif only.

What else should I watch for?

Max 5MB per image; watermark text up to 120 characters.