# TechToolbox: Developer Tools > 45 dev, network & sysadmin tools. JSON, regex, DNS, CIDR. Offline, ad-free. Canonical page: [https://chrome-stats.com/d/com.wni.techtoolbox](https://chrome-stats.com/d/com.wni.techtoolbox) ## Overview - **ID:** `com.wni.techtoolbox` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** winnovation - **Category:** TOOLS - **Downloads:** 2 - **Version:** 0.2.5 - **Last updated:** 2026-08-30 - **First published:** 2026-08-30 - **Publisher country:** FR - **Size:** 62 MB - **Data as of:** 2026-09-26 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.wni.techtoolbox) - **Website:** [https://www.winnovation.fr/](https://www.winnovation.fr/) - **Privacy policy:** [https://www.winnovation.fr/privacy/wnitechtoolbox.html](https://www.winnovation.fr/privacy/wnitechtoolbox.html) ## Description TechToolbox packs 45 tools for developers, system administrators and network administrators into a single native app — 100% offline, ad-free, no account and zero telemetry.

🛠 DEVELOPMENT
• JSON, XML, YAML formatter/validator
• Base64 & URL encoder/decoder, hash generator (MD5, SHA…)
• JWT decoder, Unix timestamp converter
• Advanced regex tester, diff comparator
• Generators: UUID, passwords/tokens, Lorem Ipsum, QR code (scanner included)
• Converters: text case, number bases, colors
• Cron expression parser/explainer, Markdown previewer
• Git, Docker & HTTP cheatsheets

🌐 NETWORK
• IPv4 subnet calculator (CIDR / VLSM)
• Network unit converter
• Well-known ports reference table
• SSL certificate viewer, MAC address reader

🖥 SYSTEM ADMINISTRATION
• Guided crontab generator
• Storage & time unit converter
• Advanced log viewer
• Config snippet generator
• Uptime / SLA calculator
• Windows / Sysmon error code database
• Linux man pages

🔐 SECURITY
• Password strength checker
• AES encryption/decryption
• Hash comparator

📋 PRODUCTIVITY
• Snippet manager (optional PIN/biometric encryption)
• Quick technical notepad

🌍 ONLINE TOOLS — clearly badged category
Ping, TCP connection test, DNS lookup and reverse DNS (PTR), Whois, SPF/DKIM/DMARC checker, TLS/handshake test, remote certificate viewer, HTTP headers inspector, HTTP request tester, My public IP.
These tools only contact the host you type yourself — never a server run by the publisher.

⭐ WHY TECHTOOLBOX?
• Zero ads, zero trackers, zero telemetry — now and always
• Every offline tool works with no connection and no account
• Instant search, favorites and recent tools: find any tool in a second
• Native, lightweight and fast — no web wrapper
• Interface translated into 7 languages: English, French, German, Italian, Spanish, Dutch, Danish

👤 MADE FOR
Developers, DevOps, system and network administrators, IT students — and anyone who wants their technical tools always at hand, even offline.

💎 FREE AND PRO
A complete base set of tools is free, with no ads. The one-time Pro unlock (no subscription) opens all advanced tools and everything coming next.

Download TechToolbox and keep your developer toolbox in your pocket — even with no network. ## Rankings - #3,152,856 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.INTERNET` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.wni.techtoolbox.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Dev ToolBox](https://chrome-stats.com/d/com.krystalinfo.developertool) — 27 users - [CodeToolbox](https://chrome-stats.com/d/app.lovable.devtoolbox) — 30 users - [Developer Toolbox](https://chrome-stats.com/d/com.yasien.developertoolbox) — 1 users - [Dev Toolbox](https://chrome-stats.com/d/com.debugentity.devtoolbox) — 6 users - [Dev Tool box - Developer Tools](https://chrome-stats.com/d/com.gonigon.devtoolbox) — 114 users - [Dev8bit: Developer Tools](https://chrome-stats.com/d/com.bittr8.dev8bit) — 1 users - [Dev Tools](https://chrome-stats.com/d/com.solodevdoc.devtools) — 661 users - [Tech Space Tools](https://chrome-stats.com/d/com.techspace.tools) - [DevToolbox](https://chrome-stats.com/d/com.mrwhitedeveloper.devtoolbox) — 3 users - [DevToolKit: Developer Tools](https://chrome-stats.com/d/com.ilyas.ilyasapps.devtoolkit) — 50 users - [Dev Tools: JSON, JWT & Regex](https://chrome-stats.com/d/com.zakariae1995.Devtools) — 156 users - [Pocket Tools: 45 Offline Tools](https://chrome-stats.com/d/com.beetlix.pocket_tools) — 6 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.wni.techtoolbox)