We offer a selection of 13 free tools in the category Developer Utilities. Every tool processes results in real-time.
JSON Path Transformer
Filters and transforms JSON structures using JSONPath / Query expressions.
Launch ToolYAML ↔ JSON Converter
Losslessly converts documents between YAML and JSON formats.
Launch ToolMock Data Generator
Generates test data in JSON, SQL, or CSV based on custom schemas.
Launch ToolRegex Tester
Tests regular expressions in real-time with match highlighting and capture groups.
Launch ToolUser Agent Parser
Analyzes HTTP User-Agent strings and extracts browser, OS, and device type.
Launch ToolCron Expression Generator
Creates cron expressions visually and translates them into readable text.
Launch ToolEpoch Timestamp Converter
Converts Unix timestamps to human-readable dates and vice-versa.
Launch ToolColor Contrast Checker (WCAG)
Calculates contrast ratios between two colors according to WCAG 2.1 guidelines (AA/AAA).
Launch ToolMarkdown Preview & Lorem Ipsum
Offers a live preview for Markdown text and a customizable Lorem Ipsum generator.
Launch ToolJSON/YAML Diff & .env Validator
Compares JSON/YAML files semantically and validates .env files for completeness.
Launch Tool