| What it does | Free online tools for everyday digital work
| Free online device tests and calculators that run in your browser with nothing to install or upload
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| Stage | Not given
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| Founded | Not given
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| Based in | PT
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Merge and organize PDF files
- Image compression and format conversion
- OCR text recognition from images and PDFs
- JSON formatting and validation
- Password generation with customizable rules
- Word and text statistics counter
- Browser-first processing without uploads
- Connected workflows for multi-step jobs
| - Microphone testing with live input levels and recording
- Speaker and headphone testing with frequency sweeps
- Webcam testing with resolution and frame rate display
- Keyboard testing for dead, stuck and double-typing keys
- Mouse and controller testing with button and drift detection
- Typing speed and CPS measurement tools
- Date and time calculators with formatting options
- Number to words converter in multiple formats
- Privacy by design with no data sent to servers
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| What makes it different | - All tools available free without account creation or login requirements
- Most tools process data locally in the browser without sending files to servers
- Practical guides and multi-step workflow explanations for complex tasks
- Tool-first interface with instructions below the workspace for immediate use
- 15 clearly organized categories around real jobs rather than technical labels
| - No installation, account or data upload required
- Works on all devices and browsers without downloads
- Automated testing with 15,000+ checks before each release
- Complete privacy with all processing done on your device
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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) | 8 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 12 | 0 |
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| Referring domains (Majestic) | 10 | 0 |
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ZIPZAX
DeviceCheckHub