All toolboxes
A STARTING POINT, MADE FOR YOU

The developer
toolbox.

Format, decode, inspect and generate. Keep the useful checks nearby.

INSIDE THE TOOLBOX

9 useful places to start.

Starter collection

Small development utilities that run locally, including sensitive inputs.

JSON viewer

Explore a collapsible JSON tree, search values, format and minify.

JSON formatter

Format or minify JSON and catch syntax errors.

Base64 encoder & decoder

Encode Unicode text to Base64, or decode it back.

URL encoder & decoder

Percent-encode a URL component or decode escaped text.

SHA hash generator

Create SHA-256, SHA-384 or SHA-512 hashes of text.

UUID generator

Generate random version 4 UUIDs.

JWT decoder

Inspect a JSON Web Token’s header and payload locally.

Basic Auth header generator

Create an HTTP Basic authorization header locally.

Number base converter

Convert whole numbers between bases 2 to 36 exactly.

SMALL TASKS. LESS FRICTION.

A few things you
can tick off.