Converter

Complete ASCII table (0–127) with decimal, hex, octal, binary and character – plus character/code lookup. In the browser.

Format SQL queries cleanly – multiple dialects (PostgreSQL, MySQL, SQL Server and more). Runs entirely in the browser.

Convert CSV to JSON and back – with correct handling of quotes and commas inside fields. Runs in the browser.

Convert numbers between binary, octal, decimal and hexadecimal – arbitrarily large (BigInt). Live in the browser.

Convert a time from one timezone into many others – with UTC offset and automatic daylight saving. Live in the browser.

Convert data amounts between bytes, KB/MB/GB/TB (decimal) and KiB/MiB/GiB/TiB (binary) plus bits. Live in the browser.

Convert JSON to YAML and back – with validation and error display. Ideal for configs and CI files. Runs in the browser.

Turn text into a clean URL slug – including umlauts (ä→ae), accents and special characters. Live in the browser.

Convert text into all common cases – UPPERCASE, camelCase, snake_case, kebab-case, PascalCase and more. Live in the browser.

Encode and decode text for URLs – percent-encoding (encodeURIComponent) or whole URL. Runs entirely in the browser.

Compare two texts and highlight differences line by line – additions in green, removals in red. Runs entirely in the browser.

Convert Markdown to HTML live – with preview and HTML output. For readmes, notes and documentation. Runs entirely in the browser.