🔄Online converters for developers

Find here all online converters for developers: data format conversion (JSON, YAML, XML), units, colors (HEX, RGB, HSL) and encodings. Free, instant tools with no sign-up to transform your data in one click.

▸ Base32 Encoder and Decoder Online

Encode and decode text to and from Base32 (RFC 4648) in your browser.

▸ Encode and Decode Base58 Online

Encode and decode text in Base58 (Bitcoin, IPFS) right in your browser.

▸ Base64 encoder / decoder

Encode and decode text to and from Base64 (UTF-8), right in your browser.

▸ Encode and decode Base64URL online

Encode and decode Base64URL (URL-safe variant used in JWT), in your browser.

▸ Convert BBCode to HTML Online (Forum Markup)

Convert forum BBCode into HTML, right in your browser.

▸ Text to binary converter

Convert text to binary (ASCII/UTF-8) and back.

▸ GPS coordinate converter (DD, DMS, DDM)

Convert GPS coordinates between decimal degrees (DD), DMS and DDM (latitude/longitude), in your browser.

▸ Explain a Cron Expression in Plain Language

Translate a cron expression into plain language (e.g. “every day at 9am”).

▸ Convert CSV to JSON Online (Header Detection)

Convert CSV to JSON (array of objects) with header detection, in your browser.

▸ Convert a cURL command to code (JavaScript, Python…)

Convert a cURL command into code: JavaScript fetch or Python requests.

▸ Convert Data Size (B, KB, MB, GB, TiB)

Convert a data size (B, KB/KiB, MB/MiB, GB/GiB…) in base 1000 or 1024.

▸ Convert Duration (ms, s, min, h, days)

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

▸ Convert .env File to JSON

Convert a .env file to JSON and back, in your browser.

▸ Convert Text to Hex and Back

Convert text to hexadecimal (UTF-8) and back.

▸ Convert HTML to clean Markdown

Convert HTML into clean, readable Markdown, right in your browser.

▸ Number base converter

Convert an integer between binary, octal, decimal and hexadecimal.

▸ Convert JSON to C# Classes Online (Free)

Convert JSON into C# classes (properties) ready for deserialization, in your browser.

▸ JSON to CSV converter

Convert a JSON array of objects into CSV.

▸ Convert JSON to Go structs (with json tags)

Generate Go structs (with json tags) from a JSON example, in your browser.

▸ Generate a GraphQL schema from a JSON example

Generate a GraphQL type (SDL) from a JSON example, right in your browser.

▸ Convert JSON to Java Classes (POJO) Online

Convert JSON into Java classes (POJO), right in your browser.

▸ Convert JSON to Kotlin Data Class Online

Convert JSON into a Kotlin data class, right in your browser.

▸ Convert JSON to PHP Array Online

Convert JSON into an indented PHP array, right in your browser.

▸ Convert JSON to .properties (Java) Online

Convert JSON into a .properties file (Java config) and back, in your browser.

▸ Convert JSON to Python Dictionary Online

Convert JSON into an indented Python dictionary, right in your browser.

▸ Convert JSON to Rust Struct with Serde Online

Convert JSON into a Rust struct (serde), right in your browser.

▸ Convert a JSON Array to SQL INSERT Queries

Convert a JSON array of objects into SQL INSERT statements.

▸ Convert JSON to XML Online (In-Browser)

Convert JSON into readable, indented XML, right in your browser.

▸ Convert JSON to a Zod schema (TypeScript)

Generate a Zod validation schema (TypeScript) from a JSON example, in your browser.

▸ Convert JSON to YAML and YAML to JSON

Convert between JSON and YAML both ways, in your browser.

▸ Generate an aligned Markdown table

Generate a neatly aligned Markdown table from data (CSV or pasted from a spreadsheet).

▸ Morse code translator

Convert text to Morse code and back.

▸ Number base converter online (base 2 to 36)

Convert a number between arbitrary bases (2 to 36), right in your browser.

▸ Roman numerals converter

Convert between Arabic numbers and Roman numerals (1–3999).

▸ Convert Temperatures (°C, °F, K)

Convert temperatures between Celsius, Fahrenheit and Kelvin in real time.

▸ Unix timestamp converter

Convert a Unix timestamp to a human date and back.

▸ Unit Converter (Length, Weight, Speed)

Convert units: length, weight, speed, area, volume, data.

▸ Convert XML to JSON Online (In-Browser)

Convert XML to JSON right in your browser, keeping attributes and text.

Frequently asked questions

Can I convert JSON to YAML or XML?

Yes. Our data format converters support JSON, YAML, XML and other common formats, both ways and directly in the browser.

Are the conversions accurate and free?

All conversions are free, unlimited and processed locally for maximum accuracy, with no data loss or usage limit.