Developer Tools

Format JSON, encode URLs, debug JWTs, generate hashes, and handle everyday developer utilities in the browser.

Tool list

13 tools

{ }

UUID Generator

Generate browser-side UUIDs in batches and copy them for tests, logs, or temporary IDs.

Open

{ }

URL/Base64 Encoder

Encode or decode URL and Base64 strings locally in the browser.

Open

{ }

JSON Formatter / Validator

Format copied JSON and validate syntax errors in a focused editor.

Open

{ }

Hash Generator

Convert text into SHA-1, SHA-256, SHA-384, or SHA-512 hashes.

Open

{ }

JWT Debugger

Decode JWT headers and payloads and inspect exp or iat timestamps locally.

Open

{ }

Regex Tester

Test regular expression matches, groups, and replacements in the browser.

Open

{ }

Timestamp Converter

Convert Unix seconds, milliseconds, ISO strings, and local date output.

Open

{ }

JSON to TypeScript

Generate a draft TypeScript interface from a JSON sample.

Open

{ }

YAML to JSON

Convert simple YAML key-value content into a JSON object.

Open

{ }

CSV to JSON

Convert header-based CSV rows into a JSON array.

Open

{ }

Password Generator

Generate temporary passwords with configurable length and character groups.

Open

{ }

Cron Expression Parser

Explain five-field cron expressions by minute, hour, day, month, and weekday.

Open

{ }

Number Base Converter

Convert numbers between bases from binary to base 36.

Open