Converters tools
Convert between timestamps, image formats, and units.
Batch Rename Files
Rename many files at once with find/replace, prefix/suffix, sequence numbers, and casing — download as a ZIP.
Color Converter
Convert any color between HEX, RGB, HSL, HSV, and CMYK in one place.
CSS Unit Converter
Convert px ↔ rem ↔ em ↔ pt ↔ % with an adjustable base font size.
CSV ↔ JSON Converter
Convert CSV to JSON or JSON to CSV with quoted fields and configurable delimiters.
CSV Cleaner
Detect the delimiter, trim cells, drop empty rows, and normalize messy CSVs into something usable.
cURL Converter
Parse a curl command and emit fetch, Node https, Python requests, Ruby Net::HTTP, Go net/http, PowerShell, HTTPie, and wget equivalents.
Data Size Converter
Convert between bytes, kilobytes, megabytes, gigabytes, bits, and their binary (KiB, MiB) cousins.
HTML Table Generator
Paste CSV or TSV and get a clean HTML, Tailwind-styled HTML, or Markdown table.
Image Converter
Convert between WEBP, PNG, and JPG in your browser.
IP Address Converter
Convert IPv4 between dotted decimal, integer, hex, and binary notations. Compress and expand IPv6.
JSON → Code Object
Render a JSON sample as a literal in JS, TS, Python, PHP, Ruby, Go, Rust, and Java side by side.
JSON → Struct / Class
Generate typed declarations from JSON in TypeScript, Python @dataclass, PHP class, Ruby Struct, Go struct, Rust serde, and Java POJO.
JSON Schema → TypeScript
Emit TypeScript types from a JSON Schema — enum/oneOf/allOf/$ref/definitions all handled.
Line Endings Converter
Detect and convert between CRLF (Windows), LF (Unix), and CR (classic Mac) line endings.
MAC Address Formatter
Convert MAC addresses between colon, hyphen, Cisco dot-quad, and bare formats.
Markdown ↔ HTML Converter
Convert Markdown to HTML or HTML back to Markdown, with sanitisation in both directions.
Number Base Converter
Convert numbers between binary, octal, decimal, hex, and arbitrary bases 2–36.
PHP serialize / unserialize
Convert between PHP's serialize() format and JSON with a recursive-descent parser.
SQL CREATE TABLE Generator
Infer column types from sample data and emit CREATE TABLE for PostgreSQL, MySQL, SQLite, or SQL Server.
SQL INSERT Generator
Convert CSV / TSV / JSON into INSERT INTO statements — multi-row VALUES or one statement per row.
SQL Result → Table Preview
Paste CSV, TSV, pipe-delimited, or JSON results and preview them as a styled table with inferred column types.
SVG → PNG Converter
Rasterize an SVG file to PNG at any pixel size, transparent or solid background.
Time Duration Calculator
Find the duration between two times or dates, or add a duration to a starting time.
Timestamp Converter
Convert between Unix timestamps, ISO dates, and local time.
Unit Converter
Convert between common units of length, mass, volume, temperature, speed, area, energy, pressure, and angle.
YAML ↔ JSON Converter
Convert YAML to JSON or JSON to YAML, with anchors and multi-document support.
ZIP Files
Create a .zip from any local files or extract one to download individual entries. Never leaves your browser.