Private by Default

Clean, local-first developer tools

Convert, parse, generate, and inspect data without sending anything to a backend. Built for speed, readability, and keyboard-friendly workflows.

Quick start tools Browse all tools

Tools

Featured

100%

Client-side

Generators4Encoders9Formatters4Text3Time2

Quick Start

Essential tools for common workflows

6 items

UUID Generator

Generate UUIDs with formatting options

Password Generator

Cryptographically secure random passwords

Base64

Encode and decode Base64

Base32

Encode and decode Base32

Hex Encoder/Decoder

Convert between text and hex

JSON Formatter

Format and validate JSON

All Tools

Complete toolkit grouped by use case

22 items

Generators

UUID Generator

Generate UUIDs with formatting options

Generators

Password Generator

Cryptographically secure random passwords

Encoders

Base64

Encode and decode Base64

Encoders

Base32

Encode and decode Base32

Encoders

Hex Encoder/Decoder

Convert between text and hex

Formatters

JSON Formatter

Format and validate JSON

Text

Text Diff

Compare two texts side by side

Time

Timestamp

Unix ↔ ISO conversion

Generators

Hash Generator

MD5, SHA, SHA3, HMAC

Encoders

CRC32 Checksum

Fast checksums for text and files

Encoders

AES-GCM

Encrypt/decrypt text and files

Encoders

RSA Sign/Verify

Sign and verify with PEM keys

Encoders

URL Encoder/Decoder

Encode and decode URL components

Text

Case Converter

camelCase, snake_case, and more

Text

Regex Tester

Live matching with capture groups

Generators

Lorem Ipsum Generator

Generate placeholder text

Formatters

Number Base Converter

Binary, octal, decimal, hex

Encoders

JWT Decoder

Decode tokens, check expiration

Encoders

String Escape/Unescape

HTML, JSON, URL, regex escaping

Formatters

Color Converter

HEX, RGB, HSL with palette

Formatters

YAML Converter

JSON ↔ YAML with YAML validation

Time

Cron Expression Parser

Human-readable cron with next runs

No data sent to servers

Instant results

No account needed