| What it does | Free browser-based text, developer and math tools that run locally with zero server transmission
| Free browser tools for audio, display, device, image and measuring tasks that run instantly with no sign-up
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
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| Pricing model | Not given
| Free
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| Pricing | Not given
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| Key features | - Word Counter - count words including Chinese and Japanese with character counts
- JSON Formatter - validate, pretty-print, and minify JSON
- Case Converter - convert between multiple text casing formats
- Loan Payment Calculator - calculate monthly payments and amortization schedules
- Base64 Encoder/Decoder - encode and decode Base64 text
- Readability Checker - score writing with Flesch Reading Ease and grade levels
- GPA Calculator - calculate semester and cumulative GPA
- Percentage Calculator - find percentages and percentage changes
- UUID Generator - generate cryptographically random UUID v4 identifiers
| - Pitch detector to identify notes and frequency
- Vocal range test to find voice type
- Guitar, ukulele, violin and bass tuners
- Speaker and headphone testing
- Dead pixel and stuck pixel detection
- Spectrogram and oscilloscope visualization
- BPM detection and tempo finding
- Chord and song key finder from audio
- Camera, mouse and game controller testing
- EXIF removal and image file conversion
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| What makes it different | - 100% client-side execution with zero server transmission
- No account required, no sign-up, and no artificial limits
- Real-time instant execution with no latency
- Ad-free and independent collection of utilities
- Data never stored or logged on servers
| - All tools run instantly in the browser with no sign-up or download required
- Complete privacy: nothing is uploaded or stored, all processing happens on your device
- Works on both phones and computers
- Requests microphone and camera access only after you initiate
- Uses Web Audio API for precise sound analysis without uploads
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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 | 0 |
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| Citation Flow (Majestic) | 27 | 0 |
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| Referring domains (Majestic) | 2 | 0 |
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TheTextKit
Gizmetto