Converters Tools

Converters are the workhorses of everyday development — turning data from one format into another so it fits the system you are working with. This category collects the conversions developers reach for most, from formatting and validating JSON to translating between JSON, YAML, XML and CSV, decoding Base64, converting timestamps, and switching number bases.

JSON Formatter

Format, beautify, minify and validate JSON instantly in your browser.

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text, instantly.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

JSON to CSV Converter

Convert a JSON array of objects into CSV, and back.

YAML to JSON Converter

Convert YAML to JSON and JSON to YAML instantly.

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Roman Numeral Converter

Convert between Roman numerals and regular numbers.

Text to Binary Converter

Convert text to binary and binary back to text.

IP ↔ Integer Converter

Convert an IPv4 address to its integer form and back.

Percentage Calculator

Calculate percentages, percentage change and more.

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin.

Image to Base64 Converter

Convert an image into a Base64 data URI for embedding.

JSON to XML Converter

Convert JSON to XML and XML back to JSON.

Base Number Encoder

Convert numbers between any base from 2 to 64.

JSON to TypeScript

Generate TypeScript interfaces from a JSON sample.

CSS Units Converter

Convert between px, rem, em, pt and percent.

Duration Converter

Convert between milliseconds, seconds, minutes, hours and days.

Byte Size Converter

Convert data sizes and compare decimal vs binary units.

Aspect Ratio Calculator

Calculate dimensions that keep an aspect ratio.

JSON String Escaper

Escape text into a JSON string literal.

JSON String Unescaper

Decode a JSON string literal to raw text.

JSON Key Sorter

Alphabetically sort all JSON object keys.

CSV to JSON Converter

Turn CSV rows into a JSON array.

Morse Code Translator

Convert text to Morse code.

Binary to Text

Decode binary back into readable text.

Text to Hex

Convert text into hexadecimal bytes.

Hex to Text

Decode hexadecimal bytes into text.

Unix Timestamp to Date

Convert Unix timestamps to readable dates.

Date to Unix Timestamp

Convert dates to Unix timestamps.

Lines to JSON Array

Turn lines into a JSON string array.

JSON to CSV

Convert a JSON array to CSV.

SQL IN Clause Builder

Turn a list into a SQL IN (...) clause.

Lines to Comma List

Join lines into a comma-separated list.

Comma List to Lines

Split a comma list into separate lines.

About Converters tools

Every converter here runs entirely in your browser. That matters for converters in particular, because the data you transform is often a real API payload, a config file, or a database export containing information you would rather not upload to an unknown server. By keeping the computation local, you can format a production response or convert a sensitive config with confidence. The tools are designed to be fast and forgiving: paste your data, see the result instantly, and copy it back out. Whether you are debugging an integration, preparing data for a spreadsheet, or simply making a minified blob readable, the right converter turns a fiddly manual task into a single paste.

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