# Dev Tools > 168+ developer tools: JSON, CSS, regex, image, hash, UUID, barcode & more Canonical page: [https://chrome-stats.com/d/com.solodevdoc.devtools](https://chrome-stats.com/d/com.solodevdoc.devtools) ## Overview - **ID:** `com.solodevdoc.devtools` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** SOLO DEV DOC - **Category:** TOOLS - **Downloads:** 639 - **Version:** 0.2.19 - **Last updated:** 2026-08-18 - **First published:** 2026-04-04 - **Publisher country:** ID - **Size:** 47 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.solodevdoc.devtools) - **Website:** [https://mrcrbrth.my.id](https://mrcrbrth.my.id/) - **Privacy policy:** [https://mrcrbrth.my.id/dev-tools/privacy-policy.html](https://mrcrbrth.my.id/dev-tools/privacy-policy.html) ## Description Dev Tools is the ultimate Swiss Army knife for developers. With 168+ utilities, format, encode, decode, convert, generate, and inspect data β€” 100% offline with zero server dependency.

**NEW: REST API Client** β€” Test APIs on the go with full HTTP method support, request history, collections, Postman & OpenAPI import, environment variables, and offline caching.

Whether you're testing endpoints, generating test data, formatting SQL, inspecting barcodes, or designing CSS β€” Dev Tools has you covered.

πŸš€ REST API CLIENT (NEW!)
β€’ Full HTTP method support (GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS)
β€’ Request history & collections management
β€’ Postman collection import (v2.1.0 format)
β€’ OpenAPI/Swagger import (3.0+ & 2.0 formats)
β€’ Environment variables with {{variable}} substitution
β€’ Response caching for offline operation
β€’ OAuth2 authentication support
β€’ Payload validation & error handling

πŸ”§ FORMATTERS & MINIFIERS
β€’ JSON Formatter / Minifier / Validator / Diff
β€’ XML Formatter / Minifier / Validator
β€’ SQL Formatter / Minifier
β€’ HTML Beautifier / Minifier
‒ CSS Beautifier / Minifier / SCSS→CSS
β€’ JavaScript Beautifier / Minifier
β€’ JSON Path Extractor

πŸ” ENCODERS & DECODERS
β€’ Base64 Encoder / Decoder
β€’ URL Encoder / Decoder
β€’ HTML Entity Encoder / Decoder
β€’ String Escape / Unescape
β€’ GZip Compress / Decompress
β€’ Hex ↔ Text, Binary ↔ Text
β€’ Unicode Escape, Morse Code
β€’ XOR Cipher
β€’ JWT Decoder + Builder

πŸ”„ CONVERTERS
β€’ Number Base (binary, octal, decimal, hex)
β€’ JSON ↔ YAML, JSON ↔ CSV, JSON ↔ XML
β€’ JSON β†’ Dart, TypeScript, Go, Kotlin, Python, C#
β€’ Timestamp, Date Formatter, Date Difference
β€’ Timezone Converter, Unix Time Now
β€’ Unit Converter, Live Currency Converter
β€’ Byte / Data Size, CSS Unit Converter
β€’ Cron Parser + Generator
β€’ URL Parser, Chmod Calculator
β€’ ASCII Table, MIME Type Lookup
β€’ CSV β†’ Markdown, JSON Table Viewer

⚑ GENERATORS
β€’ Hash (MD5, SHA-1/256/512) + HMAC
β€’ UUID, NanoID, ULID
β€’ Password + Passphrase + Strength Checker
β€’ Username Generator
β€’ Lorem Ipsum, Random Data, Random Number
β€’ Random String, MAC Address
β€’ QR Code (generate + scan), Barcode Generator
β€’ Regex Generator

πŸ“ TEXT TOOLS
β€’ Text Case Converter (camelCase, snake_case, PascalCase…)
β€’ Regex Tester, Text Diff, Text Analyzer
β€’ Text Statistics (words, lines, read/speak time), Find & Replace
β€’ List Compare, Number to Words
β€’ Slug Generator, Markdown Preview, Markdown ↔ HTML
β€’ Whitespace Remover, Text Trimmer, Text Reverse

🎨 GRAPHIC & CSS TOOLS
β€’ Color Converter (HEX/RGB/HSL), Color Picker
β€’ Color Palette Generator, Contrast Checker
β€’ Gradient Generator, Box Shadow Generator
β€’ Border Radius Generator, Box Model Debugger
β€’ Grid Overlay Debugger, Typography Scale Generator
β€’ SVG Viewer + Optimizer
β€’ Image Converter, Resizer, Compressor, Cropper
β€’ Image ↔ Base64, Pixel/Unit Converter

🌐 NETWORK & SYSTEM
β€’ IP Subnet Calculator, IP Validator
β€’ HTTP Status Codes, HTTP Headers Parser
β€’ User Agent Parser
β€’ Query String Parser + Builder

πŸ”’ MATH & NUMBERS
β€’ Scientific Calculator, Bitwise Calculator
β€’ Percentage, Prime Checker, Factorial
β€’ Fibonacci Generator, GCD, LCM

βœ… KEY FEATURES
β€’ 168+ tools, 100% offline capability
β€’ REST API Client with Postman & OpenAPI import
β€’ One-tap copy for all tool outputs
β€’ Material 3 design with 10 color themes
β€’ True Black (AMOLED) dark mode
β€’ Favorites & Recent tools home dashboard
β€’ Adjustable font size (80%–140%)
β€’ Fast global search across all tools

Built with Flutter for a fast, responsive experience. Perfect for developers, designers, DevOps engineers, QA testers, and coders daily.

Have a tool request? Leave a review β€” we update regularly! ## Rankings - #1,299,122 β€” Overall - #11 β€” developer tools ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `com.solodevdoc.devtools.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [DevTools+: Developer Tools](https://chrome-stats.com/d/com.toshsoft.devtools) β€” 142 users - [Dev ToolBox](https://chrome-stats.com/d/com.krystalinfo.developertool) β€” 27 users - [DevToolKit: Developer Tools](https://chrome-stats.com/d/com.ilyas.ilyasapps.devtoolkit) β€” 39 users - [Dev Tool box - Developer Tools](https://chrome-stats.com/d/com.gonigon.devtoolbox) β€” 110 users - [CodeToolbox](https://chrome-stats.com/d/app.lovable.devtoolbox) β€” 27 users - [JSON Formatter & Dev Tools](https://chrome-stats.com/d/ts.hexabytes.devtoolkit) β€” 43 users - [Dev Toolbox](https://chrome-stats.com/d/com.debugentity.devtoolbox) β€” 6 users - [DevUtils Tools](https://chrome-stats.com/d/com.devutils.app) β€” 145 users - [Developer Tools & JSON Editor](https://chrome-stats.com/d/com.developertools.jsonvalidator) β€” 127 users - [DevBuddy: Offline Dev Toolkit](https://chrome-stats.com/d/com.cosmovex.devbuddy) β€” 478 users - [DevToolkit](https://chrome-stats.com/d/com.devtoolkit.studio) β€” 10 users - [Dev Tools: JSON, JWT & Regex](https://chrome-stats.com/d/com.zakariae1995.Devtools) β€” 156 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.solodevdoc.devtools)