| What it does | Free online tools that run entirely in your browser
| Measure anything on your screen with pixel-perfect accuracy
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| Stage | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - PDF merge, split and compress tools
- Finance calculators for loans, taxes and savings
- AI helpers including image generator and voiceover tools
- Creator revenue and subtitle tools
- Developer data format converters
- Works entirely in browser with no server upload
- Works offline after initial page load
- Mobile-friendly and works on phones, tablets and desktops
- Formulas explained with worked examples for trust
| - 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
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| What makes it different | - No account creation or sign-up required
- Free forever with no hidden paywalls or locked features
- Each tool page includes formula explanations with worked examples
- Privacy by design with no database of user inputs
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 4 | 17 |
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| Referring domains (Majestic) | 1 | 4 |
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FixiTool
Online Ruler