NexusLabs DevKit — 8+ Developer Tools 作者： Akash Kumar Singh
JSON Formatter, Base64, Hash, UUID, Regex, URL Encoder, Case Converter, JWT Decoder — all offline. Zero tracking.
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🛠 NexusLabs DevKit — 8 Essential Developer Tools in One Extension
Stop juggling browser tabs for basic dev tasks. NexusLabs DevKit puts 8 powerful, privacy-first developer utilities into a single beautiful popup — right in your browser toolbar.
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✅ TOOLS INCLUDED
1️⃣ JSON Formatter & Validator
• Format (pretty-print) any JSON with proper indentation
• Minify JSON to a single line
• Validate JSON and see clear error messages
• Syntax-highlighted output
2️⃣ Base64 Encode / Decode
• Encode any text to Base64
• Decode Base64 back to readable text
• One-click copy to clipboard
3️⃣ Hash Generator
• Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes
• Instant computation using Web Crypto API
• Perfect for verifying file integrity or generating checksums
4️⃣ UUID Generator
• Generate RFC 4122 v4 UUIDs
• Bulk generation mode — create multiple UUIDs at once
• One-click copy
5️⃣ Regex Tester
• Test regex patterns against sample text
• Live match highlighting
• Support for flags (g, i, m, s)
• Group capture display
6️⃣ URL Encode / Decode
• Percent-encode URL components
• Decode percent-encoded strings
• Handles special characters correctly
7️⃣ Case Converter
• Convert between: camelCase, snake_case, kebab-case, PascalCase, UPPER CASE, lower case, Title Case
• Paste in any format, click to convert
8️⃣ JWT Decoder
• Decode JWT tokens instantly
• View header and payload separately
• Check token expiry time
• No server needed — decoded entirely in your browser
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🔒 PRIVACY FIRST — ZERO DATA COLLECTION
• No network requests — everything runs 100% locally in your browser
• No analytics or tracking — we don't use Google Analytics, Mixpanel, or any tracker
• No data storage — nothing is saved, cached, or persisted
• No permissions — zero access to your browsing history, tabs, or data
• Open source — full source code available on GitHub
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🎨 BEAUTIFUL UI
• Modern glassmorphism dark theme
• Clean tabbed interface — switch between tools instantly
• Responsive layout that works at any zoom level
• Smooth animations and visual feedback
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🌐 PART OF NEXUSLABS
NexusLabs DevKit is part of the NexusLabs extension family — 14 extensions covering developer tools, converters, calculators, and more.
Visit nexuslabs.website for 325+ free online tools.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
📋 PERMISSIONS
This extension requires NO special permissions. It cannot:
• Read your browsing history
• Access your tabs or bookmarks
• Make network requests
• Store any data
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
💡 SUPPORT
• GitHub: github.com/AkashKumarSingh11032001/nexuslabs-xtend
• Website: nexuslabs.website
• License: MIT (free and open source)
Stop juggling browser tabs for basic dev tasks. NexusLabs DevKit puts 8 powerful, privacy-first developer utilities into a single beautiful popup — right in your browser toolbar.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✅ TOOLS INCLUDED
1️⃣ JSON Formatter & Validator
• Format (pretty-print) any JSON with proper indentation
• Minify JSON to a single line
• Validate JSON and see clear error messages
• Syntax-highlighted output
2️⃣ Base64 Encode / Decode
• Encode any text to Base64
• Decode Base64 back to readable text
• One-click copy to clipboard
3️⃣ Hash Generator
• Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes
• Instant computation using Web Crypto API
• Perfect for verifying file integrity or generating checksums
4️⃣ UUID Generator
• Generate RFC 4122 v4 UUIDs
• Bulk generation mode — create multiple UUIDs at once
• One-click copy
5️⃣ Regex Tester
• Test regex patterns against sample text
• Live match highlighting
• Support for flags (g, i, m, s)
• Group capture display
6️⃣ URL Encode / Decode
• Percent-encode URL components
• Decode percent-encoded strings
• Handles special characters correctly
7️⃣ Case Converter
• Convert between: camelCase, snake_case, kebab-case, PascalCase, UPPER CASE, lower case, Title Case
• Paste in any format, click to convert
8️⃣ JWT Decoder
• Decode JWT tokens instantly
• View header and payload separately
• Check token expiry time
• No server needed — decoded entirely in your browser
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🔒 PRIVACY FIRST — ZERO DATA COLLECTION
• No network requests — everything runs 100% locally in your browser
• No analytics or tracking — we don't use Google Analytics, Mixpanel, or any tracker
• No data storage — nothing is saved, cached, or persisted
• No permissions — zero access to your browsing history, tabs, or data
• Open source — full source code available on GitHub
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🎨 BEAUTIFUL UI
• Modern glassmorphism dark theme
• Clean tabbed interface — switch between tools instantly
• Responsive layout that works at any zoom level
• Smooth animations and visual feedback
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🌐 PART OF NEXUSLABS
NexusLabs DevKit is part of the NexusLabs extension family — 14 extensions covering developer tools, converters, calculators, and more.
Visit nexuslabs.website for 325+ free online tools.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
📋 PERMISSIONS
This extension requires NO special permissions. It cannot:
• Read your browsing history
• Access your tabs or bookmarks
• Make network requests
• Store any data
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
💡 SUPPORT
• GitHub: github.com/AkashKumarSingh11032001/nexuslabs-xtend
• Website: nexuslabs.website
• License: MIT (free and open source)
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