| What it does | Measure anything on your screen with pixel-perfect accuracy
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| Pricing model | Free
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| Key features | - 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
| - Dictionary-based counting using 126,044-word CMU Pronouncing Dictionary
- Estimated word flagging with spelling-based fallback
- Per-line syllable counts for poetry forms
- Haiku (5-7-5), tanka (5-7-5-7-7), cinquain (2-4-6-8-2) presets
- Readability metrics: syllables per word and per sentence
- Live syllable count as you type
- Text and CSV export options
- Share links with text in URL fragment
- Runs entirely in browser with no server uploads
- Word lists for one through six-syllable words
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| What makes it different | - 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
| - Tells you which counts are exact dictionary lookups and which are spelling-based estimates
- Per-line syllable counts with deviation indicators for poetry
- All processing happens in your browser with no data sent to servers
- Built by a single developer with no ads, accounts or funding
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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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 17 | 17 |
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| Referring domains (Majestic) | 4 | 2 |
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Online Ruler
Syllable Counter