New: 52 tools across 9 categories, all free and instantly accessible

Quick, reliable tools for everyday tasks.

All your converters, formatters, checkers, and network lookups in one place. Loads fast, stays tidy, works with keyboard or taps.

Coverage

9 categories

Encoding, JSON/markup, networking, text, regex, time, security, image.

Speed

Instant open

Lightweight pages; ⌘K / Ctrl+K to jump.

Trust

No accounts

Private by default, zero onboarding.

Stack preview

Encoding Tools

Lossless encode/decode helpers for APIs, CLIs, and storage layers.

Keyboard-first workflow

Press ⌘K / Ctrl+K to jump to any tool.

Tool catalog

Reach the right tool in one glance

Organized by workflow-friendly categories. Everything stays visible and predictable.

All tools

Search by name, category, or description.

Base64 encode/decode

Encoding Tools

Open instantly

Open →

Text to hex

Encoding Tools

Open instantly

Open →

Hex to text

Encoding Tools

Open instantly

Open →

URL encode/decode

Encoding Tools

Open instantly

Open →

HTML escape/unescape

Encoding Tools

Open instantly

Open →

Unicode converter

Encoding Tools

Open instantly

Open →

JSON formatter/validator

JSON & Markup

Open instantly

Open →

JSON diff viewer

JSON & Markup

Open instantly

Open →

YAML validator

JSON & Markup

Open instantly

Open →

XML formatter

JSON & Markup

Open instantly

Open →

CSV to JSON converter

JSON & Markup

Open instantly

Open →

Text compare tool

Text Utilities

Open instantly

Open →

Markdown previewer

Text Utilities

Open instantly

Open →

Character counter

Text Utilities

Open instantly

Open →

Whitespace remover

Text Utilities

Open instantly

Open →

Regex generator

Regex Tools

Open instantly

Open →

Regex tester & explainer

Regex Tools

Open instantly

Open →

Unix timestamp converter

Date & Time Tools

Open instantly

Open →

Timezone converter

Date & Time Tools

Open instantly

Open →

Date difference calculator

Date & Time Tools

Open instantly

Open →

Cron builder/parser

Date & Time Tools

Open instantly

Open →

Business Day Calculator

Date & Time Tools

Open instantly

Open →

Age Calculator

Date & Time Tools

Open instantly

Open →

API request tester

Web Tools

Open instantly

Open →

HTTP headers inspector

Web Tools

Open instantly

Open →

CSS minifier & formatter

Web Tools

Open instantly

Open →

JavaScript minifier & formatter

Web Tools

Open instantly

Open →

Image optimizer

Image Tools

Open instantly

Open →

Favicon generator

Image Tools

Open instantly

Open →

IP lookup

Networking Tools

Open instantly

Open →

WHOIS lookup

Networking Tools

Open instantly

Open →

DNS propagation checker

Networking Tools

Open instantly

Open →

Bandwidth calculator

Networking Tools

Open instantly

Open →

Latency estimator

Networking Tools

Open instantly

Open →

Subnet calculator

Networking Tools

Open instantly

Open →

CIDR calculator

Networking Tools

Open instantly

Open →

Ping

Networking Tools

Open instantly

Open →

Port checker

Networking Tools

Open instantly

Open →

JWT decoder/generator

Security Tools

Open instantly

Open →

OAuth token inspector

Security Tools

Open instantly

Open →

CSP header analyzer

Security Tools

Open instantly

Open →

Public/private key generator

Security Tools

Open instantly

Open →

CSR generator

Security Tools

Open instantly

Open →

HMAC generator (SHA-256/384/512)

Security Tools

Open instantly

Open →

Hash generator (MD5/SHA/bcrypt)

Security Tools

Open instantly

Open →

MD5 converter

Security Tools

Open instantly

Open →

UUID generator

Security Tools

Open instantly

Open →

GUID validator

Security Tools

Open instantly

Open →

AES encrypt/decrypt

Security Tools

Open instantly

Open →

SSL certificate checker

Security Tools

Open instantly

Open →

Password breach checker

Security Tools

Open instantly

Open →

Password entropy calculator

Security Tools

Open instantly

Open →

Playground catalog

All playground runtimes

Explore every language we support (6 total), including official API-backed compilers and fully client-side WASM runtimes.

6 languages Client/WASM + official compilers

JavaScript

Native · Instant

Run JS snippets instantly. Console output, AST viewer, and auto-formatter included.

Sandboxed in your browser—no backend, filesystem, or network access for the code you run.

TypeScript

tsc · Native

Transpile and run TypeScript in your browser using the official tsc compiler. Strict type checking included.

tsc + execution happen locally; only your machine sees the compiled JS and console output.

Python

Pyodide · WASM

Full CPython 3.12 in your browser via Pyodide. numpy, pandas, and more available.

Pyodide 3.12 runs entirely inside WebAssembly, so your code stays in-browser with no server exposure.

API · Official

Compile and run Go code via the official Go Playground API with console capture and diagnostics.

Execution happens on play.golang.org; console output and diagnostics stay within Google's sandbox.

Rust

API · Fast

Compile and run Rust code using the official Rust Playground API. Includes compilation errors and output.

Execution happens on play.rust-lang.org, the official server, so only that trusted endpoint ever sees your code.

PHP

WASM · Native

Run PHP 8 right in your browser. Powered by php-wasm for 100% client-side execution.

php-wasm executes all PHP code inside WebAssembly in your browser—no server or backend communication.

Quick notes

Friendly + compact

Simple layouts that stay out of the way.

Easy to find

Use search and categories to jump in fast.

Made for everyday tasks

Formatting, converting, checking, and learning—one place.