| What it does | Solve everyday tasks quickly with AI using browser-based online tools
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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
| - Dictionary-based counting using 126,044-word CMU Pronouncing Dictionary
- Estimated word flagging with spelling-based fallback
- Per-line syllable counts for poetry forms
- Haiku (5-7-5), tanka (5-7-5-7-7), cinquain (2-4-6-8-2) presets
- Readability metrics: syllables per word and per sentence
- Live syllable count as you type
- Text and CSV export options
- Share links with text in URL fragment
- Runs entirely in browser with no server uploads
- Word lists for one through six-syllable words
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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
| - Tells you which counts are exact dictionary lookups and which are spelling-based estimates
- Per-line syllable counts with deviation indicators for poetry
- All processing happens in your browser with no data sent to servers
- Built by a single developer with no ads, accounts or funding
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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) | 12 | 0 |
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| Citation Flow (Majestic) | 28 | 17 |
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| Referring domains (Majestic) | 43 | 2 |
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sakuttoAI
Syllable Counter