⚠ Disclaimer
NOT RECOMMENDED FOR APPS FROM META, UBER, WHATSAPP, ANY GOOGLE APP REQUIRING AN ACCOUNT, OR ANY BANKING APP. RISK OF ACCOUNT BAN WITH CHANGED SIGNATURE.
For these apps, use Install to Device via USB or download as ZIP (uncheck merge) to preserve original signatures.
Use your own judgement to decide if an app is serious enough about security to warrant not merging. We do not take responsibility for any account bans or restrictions resulting from the use of re-signed APKs.
Dev Toolbox is a fast, lightweight developer utility app for your mobile device 🛠️
Format JSON, encode URLs, decode Base64, inspect JWT tokens, and more -- all without opening your laptop ⚡
📋 Features
🔸 JSON Formatter — Pretty-print and validate JSON strings instantly.
🔸 URL Encode/Decode — Encode and decode URLs with RFC 3986 compliance.
🔸 Base64 Encode/Decode — Convert text to and from Base64. Supports URL-safe format.
🔸 JWT Decoder — Decode JWT tokens into Header, Payload, and Signature.
🔸 Text Case Converter — Convert between 9 text cases including camelCase, snake_case, kebab-case, PascalCase, and more.
🔸 Hash Generator — Generate MD5, SHA-1, SHA-256, and SHA-512 hashes at once.
🔸 Unix Timestamp Converter — Convert between Unix timestamps and human-readable dates.
🔸 Number Base Con