| What it does | Free online tools and music practice toys for your screen
| Free on-screen measuring tools that run in your browser
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Flip clock with ten different styles including airport board, retro game screen, and sky that changes through the day
- Timer and stopwatch with multiple display styles like hourglass, candle and firework
- Typing sounds that transform keyboard into typewriter, rain, or piano sounds
- Cursor trails with sparkles, petals, confetti and comet effects
- Focus garden timer that grows a plant while you work
- Music Practice Lab with harmonium, tanpura, tuners, metronome and ear training
- Name song tool that converts your name into a shareable tune
| - Actual-size ruler in cm, mm and inches
- Bank-card and screen-diagonal calibration
- Top, left and right rulers with drag-to-measure readout
- Full-screen mode and browser-zoom warning
- Image measurement tool
- Length unit converter
- Touch dragging support for phones and tablets
- Local storage of calibration without server uploads
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| What makes it different | - All tools are completely free with no sign up, download, or account required
- Thoughtfully designed tools that make screens feel friendlier and more joyful
- Run directly in browser with no installation needed
- New toys released regularly every couple of weeks
- Designed to be joyful and unobtrusive, never asking for attention or data
| - Calibration step compensates for browsers' inability to detect physical display size
- ISO/IEC 7810 ID-1 standard bank card calibration ensures reproducible accuracy
- All calculations run locally in your browser with no data sent to servers
- Works on any device with a browser and JavaScript enabled
- Content follows standards-based principles with no invented precision or fake reviews
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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) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 2 |
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| Citation Flow (Majestic) | 17 | 18 |
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| Referring domains (Majestic) | 2 | 10 |
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Prakash Collective
Online Ruler