Everyday developer utilities

Small tools.
Zero friction.

Format payloads, transform strings, create credentials, inspect tokens, and turn raw data into readable tables. Everything runs locally in your browser.

Open JSON Formatter Browse all tools

{
  "tool": "Dev Toolbox",
  "uploads": false,
  "features": [
    "format",
    "convert",
    "generate"
  ]
}_

The toolkit

Pick a workspace

Five focused pages, one consistent workflow.

{ }

JSON

Beautify, minify, validate, escape, and unescape JSON.

Open formatter → Aa

String

Count, encode, decode, change case, and create UUIDs.

Open string tools → ***

Password

Generate random values and create MD5 or bcrypt hashes.

Open password tools → JWT

JWT

Read token contents and sign HMAC JSON Web Tokens.

Open JWT tools → ▦

Tables

Preview JSON arrays and CSV data as clean tables.

Open table tools →