Measure distances on images/text/PDFs (pixels), with optional conversion to ms & bpm.
Content Upload
- PDF Files: Drag & drop or use Browse Files. Navigate multiple pages with arrow buttons.
- Images/Text: Drag & drop, paste, or browse files.
- Clear: Use "Clear Content" / "Clear Calipers" to reset.
Caliper Controls
- Add: "Add Caliper" or "Add Rhythm Caliper" for multiple measurements
- Move/Resize: Drag center square to move, vertical lines to resize
- Remove: Right-click any part of caliper
- Color: Click color swatch to change
Reference & Units
- Add Reference: Click "Add Reference", set ms value in dropdown
- Units: With reference - ms/bpm, without - pixels (px)
Note: All operations performed locally in browser. No content is uploaded to server. Download offline version