DEVGuide.exe
Developer Tools Guide
Essential utilities for developers and programmers. Click on any tool below to see detailed instructions.
All tools run directly in your browser - no data is sent to any server.
JSON Formatter
Format, validate, and beautify JSON data. Minify or expand JSON.
View detailed guide >Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings.
View detailed guide >URL Encoder/Decoder
Encode or decode URL strings for safe transmission.
View detailed guide >Hash Generator
Generate MD5, SHA-1, SHA-256, and other hash values.
View detailed guide >UUID Generator
Generate random UUIDs (v4) or other UUID versions.
View detailed guide >Timestamp Converter
Convert between Unix timestamps and human-readable dates.
View detailed guide >JWT Decoder
Decode JWT tokens to view header and payload.
View detailed guide >QR Code Generator
Generate QR codes from text or URLs.
View detailed guide >Color Picker
Pick colors and convert between HEX, RGB, and HSL.
View detailed guide >Lorem Ipsum Generator
Generate placeholder text for designs and mockups.
View detailed guide >