Utility Tools
Everyday developer utilities: UUID generation, password strength, QR codes, cron expressions, and more.
All Utility Tools
Browse all toolsUUID Generator
Generate UUIDs in v1, v4, and v5 formats in bulk.
Utility ToolsPassword Generator
Generate strong random passwords with entropy scoring.
Utility ToolsQR Code Generator
Generate customisable QR codes for URLs, text, and more.
Utility ToolsUnix Timestamp Converter
Convert Unix timestamps to and from human dates.
Utility ToolsCron Expression Builder
Build and explain cron expressions visually.
Utility ToolsChmod Calculator
Calculate Unix file permissions visually.
Utility Tools.env File Differ & Merger
Diff and merge .env files securely.
Utility ToolsURL Encoder / Decoder
Encode & decode URLs and URI components.
Utility ToolsUnit Converter
Convert length, weight, temp, data & more.
Utility ToolsFont File Converter
Convert font files between TTF, OTF, WOFF formats.
Utility Tools3D Model Viewer
View, inspect, and convert 3D models in your browser.
Utility ToolsP2P File Transfer
BetaPeer-to-peer file sharing via WebRTC and QR codes.
Utility ToolsIP / Subnet Calculator
Calculate subnets, CIDR ranges, and IP addresses.
Utility ToolsCrontab Translator
Translate cron expressions to human-readable text.
Utility ToolsQR Code Scanner
Scan QR codes from camera or images.
Utility ToolsInternet Speed Test
Measure download/upload speed with a live world latency map.
Utility ToolsPrice Reality Check
See what any price really costs in labor hours, PPP, and inflation.
Utility ToolsSonic Bridge
BetaTransfer text between devices through ultrasonic sound.
Utility ToolsWedding Seating Planner
Visual drag-and-drop wedding seating chart with auto-arrange.
Utility ToolsSchool Timetable Generator
Auto-generate school timetables with conflict resolution.
Utility Tools