go-supertools
Collection · 18 tools

Developer essentials

The formatters, converters and debuggers developers reach for daily.

Data formats

JSON Beautifier

Online JSON Viewer, JSON Beautifier and Formatter to beautify and tree view of JSON data.

JSON Validator

Check whether text is valid JSON and see the parser error if it is not.

JSON to YAML

Convert JSON to YAML in your browser.

YAML to JSON

Convert YAML to JSON in your browser.

CSV to JSON

Convert CSV or TSV with a header row into a JSON array of objects.

JSON to CSV

Convert a JSON array of objects into CSV or TSV.

XML to JSON

Convert XML into a JSON structure in your browser.

Encoding & tokens

JWT Decoder

Decode a JSON Web Token to read its header and payload.

Text to Base64

Convert Text to Base64

Base64 to Text

Convert Base64 To Text

URL Encoder

Encode your URLs

URL Decoder

Decode your URLs

Everyday utilities

Regex Tester

Test your Regular Expressions

Cron Generator

Create your Cron Jobs easily.

Timestamp Converter

Convert UNIX Timestamps

UUIDv4 Generator

Generate random version 4 UUIDs, up to 100 at a time.

JS Minifier

Minify JavaScript in your browser with Terser, with before/after byte sizes, percent saved and clear syntax errors.

Text Diff Checker

Compare two texts line by line and see added, removed and unchanged lines highlighted, in unified or side-by-side view.