Conversion

Format, beautify and minify JSON online. Custom indent, sort keys, escape Unicode, and get exact line/column numbers for parse errors. Runs 100% in your browser.

Generate TypeScript interfaces or type aliases from JSON instantly. Optional fields, export keyword and reusable nested shapes. Runs 100% in your browser.

Convert between JSON, XML, YAML and QueryString online. Nested objects and arrays are preserved. Runs 100% in your browser.

Convert Unix timestamps to dates and back. Auto-detects seconds vs milliseconds, shows ISO, UTC and local formats plus relative time. Runs entirely in your browser.

Convert a moment across time zones and compute date differences. Live clocks for 8 major zones (UTC, Shanghai, Tokyo, London…). Runs 100% in your browser.

Convert between binary, octal, decimal, hexadecimal, 36 and 62 bases online. Handles huge BigInt integers and adds 0x/0b/0o prefixes. Runs in your browser.

Convert length, mass, temperature, area, volume, data storage and time units online, with imperial units included. Formatted for your locale. Runs in your browser.

Convert HEX, RGB, HSL and HSV colors with live two-way sync, plus a built-in WCAG contrast checker and tint/shade swatches. Runs entirely in your browser.

Convert any string into 11 naming styles at once: camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE and more. Runs entirely in your browser.

Browse the printable ASCII table and convert text to/from ASCII codes (decimal, hex, octal, binary) with a custom separator. Runs entirely in your browser.