Terms of Service

Last updated: February 20, 2026

1. Acceptance of Terms

By accessing and using DevToolbox (devtoolbox.co), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the site.

2. Description of Service

DevToolbox provides free, browser-based developer utility tools including but not limited to: JSON formatting, Base64 encoding/decoding, JWT decoding, regex testing, cron expression building, UUID generation, timestamp conversion, URL encoding/decoding, hash generation, and color conversion. All tools process data entirely within your web browser.

3. Disclaimer of Warranties

The tools and content on DevToolbox are provided "as is" and "as available" without warranties of any kind, either express or implied. We do not guarantee that:

  • The tools will produce accurate, complete, or reliable results in all cases
  • The service will be uninterrupted, timely, or error-free
  • The tools are suitable for any particular purpose, including security-critical applications

You should independently verify any output before using it in production systems, security decisions, or other critical contexts.

4. Limitation of Liability

To the fullest extent permitted by law, DevToolbox and its operator shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from your use of or inability to use the tools, including but not limited to damages resulting from errors in output, data loss, or security incidents.

5. Acceptable Use

You agree not to:

  • Use the tools for any illegal or unauthorized purpose
  • Attempt to interfere with, disrupt, or overload the service
  • Scrape, crawl, or automatically access the site at a rate that degrades service for other users
  • Reproduce, redistribute, or resell the tools or content without permission

6. Intellectual Property

The DevToolbox name, logo, design, and original content are the property of the site operator. The tools themselves use open web standards and public algorithms; the specific implementation and presentation are protected by copyright.

7. Privacy

Your use of DevToolbox is also governed by our Privacy Policy, which explains how we handle data.

8. Changes to Terms

We reserve the right to modify these terms at any time. Changes will be posted on this page with an updated revision date. Continued use of the site after changes constitutes acceptance of the new terms.

9. Governing Law

These terms shall be governed by and construed in accordance with the laws of Japan, without regard to conflict of law provisions.

10. Contact

For questions about these terms, please contact us via X (@web_ya_san).