Converters
Cron Expression Parser
Parse Cron expression to get scheduled dates
Cron Expression Generator
Build cron expressions visually with a cron builder and preview scheduled dates
Date Converter
Convert date to human-readable date and vice versa
JSON Array to Table
Convert a JSON array to tabular format, export to CSV or TSV
JSON <> YAML Converter
Convert JSON data to YAML and vice versa
Number Base Converter
Convert numbers from one base to another
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers
XML <> JSON Converter
Convert XML data to JSON and vice versa
Markdown <> HTML Converter
Convert Markdown to HTML and vice versa
HTML to JSX Converter
Convert HTML markup to JSX syntax for React
JSON <> TOML Converter
Convert JSON data to TOML and vice versa
YAML <> TOML Converter
Convert YAML data to TOML and vice versa
OPML RSS URL Extractor
Extract RSS feed URLs from OPML files
RSS URLs to OPML Generator
Generate OPML files from RSS feed URLs
Data Size / Byte Converter
Convert between different data size units: bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes
cURL to Code Converter
Convert cURL commands to code in multiple languages
JSON to Code Generator
Generate types and classes from JSON for multiple languages
chmod Calculator
Calculate Unix file permissions with visual checkboxes, octal, and symbolic notation
Unit Converter
Convert between units of length, weight, temperature, data size, time, and more
Docker Run to Compose
Convert docker run commands to docker-compose.yml files instantly
Protobuf Decoder / Encoder
Decode Protocol Buffer messages from Base64 or hex without a schema definition
JSON Table Viewer
Visualise a JSON array as a sortable interactive table with CSV export
Coordinates Converter
Convert coordinates between DD, DMS and UTM
CBOR / MessagePack Codec
Encode JSON to CBOR or MessagePack binary and decode back — compare sizes and inspect hex or Base64 output