| What it does | Solve everyday tasks quickly with AI using browser-based online tools
| Free on-screen measuring tools that run in your browser
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| Stage | Not given
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| Founded | 2022
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| Based in | JP
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| Pricing model | Freemium
| Free
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| Pricing | Free plan: all tools available with daily task limits; Pro plan: ¥1,320/month or ¥15,840/year (33% off annual); AI credits: ¥1 per credit, purchases from ¥100-¥10,000 in ¥100 increments, valid for 6 months.
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| Key features | - PDF compression and editing (merge, split, rotate, add page numbers, headers, footers, watermarks, digital stamps, password protection)
- Image conversion and processing (HEIC, SVG, WebP, PNG, JPG formats)
- OCR and text recognition (image text extraction, handwriting recognition, receipt scanning)
- QR code and barcode tools (creation and scanning)
- Markdown conversion from multiple file formats
- Browser-based processing with privacy protection
| - 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 | - Privacy-first design with most file processing completed entirely in the browser without server upload
- Completely free with all tools available, registration requires only email address with no password needed
- Comprehensive toolset with 100+ tools across PDF, image, text, and AI categories in single platform
- Optimized for Japanese users with Japanese language support and culturally relevant features
- Single Pro subscription provides unlimited daily task limits for all tools plus ad-free experience
| - 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) | 7 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 12 | 2 |
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| Citation Flow (Majestic) | 28 | 18 |
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| Referring domains (Majestic) | 43 | 10 |
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sakuttoAI
Online Ruler