| What it does | Free online tools that run in your browser
| Measure anything on your screen with pixel-perfect accuracy
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Image compression with no visible quality loss
- Merge and shrink multiple PDFs
- Convert MP4 and MOV to GIF without watermark
- AI Excel formula generator from plain English descriptions
- Audio transcription with Whisper AI on-device
- ID photo watermark protector
- HEIC to JPG conversion
- Office-to-PDF converters (Word, Excel, PowerPoint, URL)
- Tools run offline after page loads
- File encryption
| - Smart Auto-Detect identifies your device from a database of 100+ profiles
- Three calibration methods: auto-detect, screen diagonal, and credit card
- Place rulers on any edge of the screen in any combination
- Click-to-measure distances in any direction
- Live cursor position tracking
- Dark mode with automatic system preference detection
- Support for four measurement units: cm, mm, inches, and pixels
|
|---|
| What makes it different | - All processing happens on your device—nothing is sent to servers or stored
- Open source code auditable on GitHub
- No accounts required; works instantly
- Built specifically for sensitive files that should never be uploaded
- No data collection, ads, or analytics on files
| - No installation required—runs entirely in your web browser
- Achieves near pixel-perfect accuracy typically within 0.5mm for well-calibrated screens
- Completely free with no ads, account, or limitations
- Calibration saved locally so no need to recalibrate on each visit
- Works on tablets and mobile devices with touchscreen support
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 8 ● no change since last check | 1 ● no change since last check |
|---|
| Trust Flow (Majestic) | 0 | 0 |
|---|
| Citation Flow (Majestic) | 22 | 17 |
|---|
| Referring domains (Majestic) | 12 | 4 |
|---|
Online Ruler