About the Service
NanToo is a collection of free browser-based tools operated by YONEMASU,K.K. It provides calculation, conversion, and generation tools without registration. Many tools process inputs in the browser. Certain image tools expressly identified as using server optimization send files to the server, but our application does not persistently store those image files.
Operator
| Company | YONEMASU,K.K |
|---|---|
| Location | Kita-ando, Aoi-ku, Shizuoka-shi, Shizuoka, Japan |
| Representative | Representative Director TakahiroYonemasu |
| Established | 2023 |
| Business | Contract software development / in-house application development / ICT support |
| Official website | https://yonemasu.co.jp/ |
Operating principles
- Provide tools free of charge and without registration.
- Emphasize transparency by identifying calculation methods and sources.
- Process inputs in the browser wherever practical.
- Encourage verification against primary sources or with qualified professionals for important decisions.
Contact
Send bug reports and feature requests through the contact form.