Dev Toolbox

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Everyone
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Everyone
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About this app

Dev Toolbox is a comprehensive collection of 8 essential developer utilities, all working completely offline with no internet connection required.

FEATURES:
• JSON Formatter - Format, minify, and validate JSON
• Base64 Encoder/Decoder - Encode and decode text
• JWT Decoder - Decode and verify JWT tokens
• Hash Generator - Generate MD5, SHA-1, SHA-256, SHA-512 hashes
• UUID Generator - Generate v4 UUIDs
• Epoch Converter - Convert between Unix timestamps and human-readable dates
• Regex Tester - Test regex patterns and capture groups
• Cron Parser - Parse and explain cron expressions

NO ACCOUNT REQUIRED - All tools work offline and locally on your device. Your data never leaves your phone.

Perfect for developers, DevOps engineers, system administrators, and anyone working with technical data.
Updated on
Jun 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Fixed critical crash and added 16 KB memory page alignment support for Google Play compliance
Content rating
Everyone
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App support

About the developer
Naman Gupta
ngstudies.tk@gmail.com
62 A Ekantwaas Pathani Tola BISWAN, Uttar Pradesh 261201 India

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