For curious builders
around the world

Small Tools.Big Help.

Fast, browser-based tools for formatting, previewing, converting, testing, and inspecting code and text. No installs, no hassle — just tools that work.

Explore Tools Try HTML Preview

Featured Tool

HTML Preview

Write HTML on the left, see the result on the right. Instant, fast and easy.

5index.html

1<!DOCTYPE html>
2<html>
3  <head>
4    <title>My Page</title>
5  </head>
6  <body>
7    <h1>Hello, World!</h1>
8    <p>This is a live preview in ToolHive.</p>
9  </body>
10</html>

HTML10 lines · 169 charsLive

toolhive.top/preview

Live
Preview!

Free100% free to use

Browser-BasedWorks instantly in your browser

Privacy-FriendlyYour data stays with you

No SignupStart using right away

Essential Tools

High-demand everyday tools

HTML Preview

Write and preview HTML in real time

JSON Formatter

Format, validate and beautify JSON

Word Counter

Count words, characters and more

CSS Minifier

Minify and optimize CSS code

JS Formatter

Format and beautify JavaScript

Base64 Encoder

Encode and decode Base64 strings

More Utilities

Expand your workflow

Regex Tester

Test and learn regular expressions

Markdown Preview

Write and preview Markdown

SVG Viewer

View and inspect SVG files

Case Converter

Convert text between camelCase, snake_case, UPPERCASE and more

Text Compare

Find differences between texts

JWT Decoder

Decode and inspect JWT tokens

Language Tools

For developers

Python Formatter

Format Python code instantly

C Code Formatter

Clean and format C code

Java Formatter

Format Java code with ease

Go Formatter

Format Go code instantly

Rust Code Viewer

Read, highlight and inspect Rust code

SQL Formatter

Format and beautify SQL queries

Make your development life a little easier.

ToolHive — useful tools you'll actually bookmark.

Explore All Tools