Overview
One popup, five offline dev tools. Base64, JWT, URL, hash and JSON. Your tokens never leave the browser.
Five developer tools in one offline popup. Decode and encode Base64, decode and pretty-print JWTs with an expiry badge, encode and decode URLs and HTML entities, hash with MD5 and SHA-1/256/512, and format or validate JSON. Paste anything and DevBox auto-detects the type. Everything runs locally. Your tokens and secrets never leave the browser, and it works offline. Free: all five tools plus your last 5 conversions. Pro ($99 lifetime): JWT verify and sign, unlimited searchable history, batch conversion, and Pro across every Zovo extension. No tracking. No ads. Privacy policy https://zovo.one/privacy-policy
Details
- Version1.0.0
- UpdatedJuly 16, 2026
- Size108KiB
- Languages28 languages
- Developer
Email
support@zovo.one - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
