toolhaus.io

Fast, free, and privacy-friendly utilities. No sign-up required.

All Tools

Base64 Encoder/Decoder

Encode and decode Base64 strings instantly. Supports standard, URL-safe, and raw encodings.

developer

Color Generator & Converter

Pick colors visually or enter any color code. Converts between HEX, RGB, and HSL with live preview.

css

CSS Minifier

Minify CSS to reduce file size. Strips comments, collapses whitespace, removes redundant semicolons.

developer

Epoch Converter

Convert Unix timestamps to human-readable dates and back. Supports seconds, milliseconds, and microseconds.

datetime

Hash Generator

Generate MD5, SHA1, SHA256, and SHA512 hashes instantly. Compute multiple hash types at once.

crypto

JSON Formatter & Validator

Format, minify, and validate JSON online. Syntax highlighting with error detection.

developer

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and signature without verification.

developer

Lorem Ipsum Generator

Generate placeholder text for design and development. Paragraphs, sentences, or words.

generators

Markdown Preview

Write Markdown and see rendered HTML in real time. Supports GitHub Flavored Markdown.

developer

Password Generator

Generate strong, random passwords with customizable length and character sets.

generator

Regex Tester

Test regular expressions with Go/RE2 or JavaScript engines. See matches, groups, and captures in real time.

developer

Text Case Converter

Convert text between UPPER, lower, Title, camelCase, snake_case, kebab-case, and more.

text

AI Token Counter

Count tokens for GPT-4, Claude, and Llama models. Estimate API costs before sending requests.

developer

URL Encoder/Decoder

Encode and decode URLs and query strings. Supports full URL encoding and component encoding.

developer

UUID Generator

Generate UUID/GUID v1, v4, and v7. Bulk generation up to 100 at once.

developer

Word Counter

Count words, characters, sentences, and paragraphs. Estimate reading and speaking time.

developer

YAML/JSON Converter

Convert between YAML and JSON formats instantly. Bidirectional, pretty-printed output.

developer