| What it does | Free online file tools for PDF, image, video, audio and document processing
| Measure your reaction time and see where you rank against everyone else on the same device
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - PDF merge, split, convert, watermark and encrypt
- Office document to PDF conversion
- Image compression, format conversion, resize, crop and filter
- Video format conversion, compression and watermarking
- Audio format conversion, trim and compression
- AES/RSA encryption and decryption tools
- JSON formatting, minifying and validation
- 128+ free tools across 13 categories
- Browser-based processing with no installation required
- Automatic file deletion within 30 minutes for server uploads
| - Reaction time measurement with five trials and median scoring
- Device-specific percentile ranking (mouse, trackpad, touchscreen)
- Exportable score history stored in your browser
- Embeddable tests for third-party websites
- Anonymous population distribution comparison without tracking
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| What makes it different | - Completely free with no registration, usage limits or watermarks required
- Privacy by design with many tools running entirely in your browser
- Available in 12 languages with full localization
- Each tool designed and tested by the team with no auto-generated filler
- Wide format support including PDF, Office, images, video, audio and developer formats
| - Device-specific rankings that account for hardware differences like screen refresh rate and input latency
- No accounts, no tracking, and no third-party scripts or advertising
- Transparent methodology with published reference data sources and clear limitations
- Fully embeddable tests with no installation or sign-up required
- Median scoring from multiple trials to reduce noise and account for natural variability
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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) | 5 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 2 |
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| Citation Flow (Majestic) | 16 | 22 |
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| Referring domains (Majestic) | 12 | 9 |
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Filuni
BenchSelf