Developer Tools

17 utilities that run entirely in your browser. No accounts, no uploads, and nothing you paste ever reaches a server.

Data

Base64 Encoder / Decoder

Encode and decode Base64

JSON Formatter

Format, minify, and validate JSON

SQL Formatter

Pretty-print and format SQL queries

Timestamp Converter

Convert Unix timestamps and dates

UUID Generator

Generate UUIDs in bulk

YAML ↔ JSON Converter

Convert between YAML and JSON

DevOps

Cron Generator

Build and preview cron expressions

Docker Compose Builder

Assemble Docker Compose YAML visually

Security

Hash Generator

SHA-1, SHA-256, and SHA-512 digests

JWT Debugger

Decode JWT header and payload locally

OpenSSL Command Generator

Build OpenSSL commands and random secrets

Password Generator

Generate strong random passwords

Text

Case Converter

camelCase, snake_case, and more

Diff Viewer

Line-based text comparison

Markdown Preview

Preview Markdown as you type

Regex Tester

Test regular expressions against text

URL Encoder / Decoder

Percent-encode and decode URLs