Editor Workspaces Interviews Meet New Daily Challenges

Data & format

JSON DiffCompare two JSON blobs side by side
Diff & PatchGenerate unified patches from text/code
JSON FormatterPretty-print and validate JSON
SQL FormatterFormat SQL and explain with AI
JSON ↔ CSVConvert tabular data both ways
Base64 CodecEncode and decode Base64
Log ParserPretty-print logs and highlight severity

Security & web

JWT DebuggerDecode and verify JSON Web Tokens
ENV LinterLint .env files and redact values
Password GeneratorStrong, configurable passwords
UUID GeneratorGenerate UUID v1/v4 in bulk
Regex TesterTest patterns in real time

Generators & utilities

Epoch ConverterConvert between Unix and dates
Meeting PlannerMatrix of slots across timezones
Date MathAdd duration with timezone awareness
Cron BuilderValidate cron and preview next runs
QR GeneratorMake scannable QR codes
Color PickerPick & convert colors
Lucky Draw WheelSpin-the-wheel utility

Network & creative

Speed TestMeasure network throughput
Diagram StudioFlowcharts & architecture diagrams
Canvas DrawingA scratchpad for sketches
Turtle GameCoding game for kids

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Editor Workspaces Interviews Meet Daily Challenges Reads

Tools

JSON Diff Diff & Patch JSON Formatter SQL Formatter JSON ↔ CSV Base64 Codec Log Parser JWT Debugger ENV Linter Password Generator UUID Generator Regex Tester Epoch Converter Meeting Planner Date Math Cron Builder QR Generator Color Picker Lucky Draw Wheel Speed Test Diagram Studio Canvas Drawing Turtle Game

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