Stop Pasting Secrets
Into Random Websites
RedKit is an offline-first developer toolbox. Format JSON, decode JWTs, generate UUIDs — all without sending your data anywhere.
Why Developers Choose RedKit
Online dev tools are convenient, but they come with risks. RedKit gives you the same functionality with none of the downsides.
Your Data Stays Local
No servers. No tracking. Process API keys, tokens, and sensitive JSON without worrying about data leaks.
Rust-Powered Speed
Parse 10MB JSON files instantly. No browser lag, no tab crashes. Native performance for heavy workloads.
Lightweight Native App
Under 30MB memory usage. No Electron bloat. Starts instantly, runs silently in the background.
20+ Tools, One App
Everything you need for daily development tasks
Formatters & Validators
JSON Formatter
Format, minify, validate with tree view
Diff Checker
Side-by-side text comparison
Regex Tester
Real-time pattern matching
Encoders & Decoders
Base64
Text & file encoding/decoding
URL Encoder
Percent-encoding for URLs
JWT Decoder
Inspect tokens & check expiry
Hex Viewer
Binary file inspection
Generators
UUID Generator
v4, v7, ULID, NanoID
Hash Generator
MD5, SHA-256, BLAKE3
Password Generator
Secure random passwords
Lorem Ipsum
Placeholder text generator
QR Code
Generate & customize QR codes
Converters & Utilities
Timestamp
Unix/ISO date conversion
Color Picker
HEX, RGB, HSL converter
ID Parser
Parse UUID, CUID, ULID
Number Base
Binary, Octal, Hex conversion
System Tools
Process Manager
View & kill running processes
Port Killer
Find & terminate port usage
Git Tools
Branch management & status
Plus AI-powered tools with RedKit Pro
Get Started FreeWeb Tools vs RedKit
| Feature | Online Tools | RedKit |
|---|---|---|
| Data Privacy | Sent to servers | Stays on device |
| Large Files (10MB+) | Slow / Crashes | Instant |
| Offline Access | No | Yes |
| Memory Usage | Browser tabs | < 30MB |
Ready to Work Offline?
Download RedKit for free. All core tools included. Upgrade to Pro for AI-powered features and unlimited usage.