Free Online Tools for Everyday Tasks

Format code, encode data, convert units, crunch numbers, and compare text — all without creating an account. Every tool runs entirely in your browser, so your data never leaves your device.

Programming

JSON Formatter

Format, validate, and beautify JSON with customizable indentation.

Regex Tester

Test regular expressions against sample text with real-time match highlighting.

JWT Decoder

Decode and inspect JWT tokens — view header, payload, and expiration.

HTML Formatter

Format, beautify, and minify HTML and XML with proper indentation.

CSS Formatter

Beautify or minify CSS with proper indentation and formatting.

SQL Formatter

Format and beautify SQL queries with proper indentation and keyword casing.

Encoding & Hashing

Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to plain text.

URL Encode/Decode

Encode or decode URL components and query strings.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.

Markdown Preview

Write Markdown and see a live HTML preview side by side.

Text

Word & Character Counter

Count words, characters, sentences, and paragraphs in any text.

Case Converter

Convert text between uppercase, lowercase, title case, camelCase, and more.

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words.

Text Diff

Compare two blocks of text and see the differences highlighted.

Find & Replace

Find and replace text with support for regular expressions and bulk operations.

Calculators

Percentage Calculator

Calculate percentages, percentage change, and what percent one number is of another.

Date/Time Calculator

Calculate the difference between two dates or add/subtract time from a date.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Converters

Unit Converter

Convert between units of length, weight, temperature, and more.

Color Converter

Convert colors between HEX, RGB, HSL, and preview them in real time.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

Finance

Loan Calculator

Calculate monthly payments, total interest, and amortization for any loan.

Compound Interest Calculator

Calculate how savings or investments grow over time with compound interest.

Tip Calculator

Calculate tips and split bills among multiple people.

Savings Goal Calculator

Figure out how much to save monthly to reach a financial goal by a target date.

Salary Converter

Convert between annual salary, monthly, biweekly, weekly, and hourly pay.

ROI Calculator

Calculate return on investment as a percentage from cost and revenue.

Why Breezy Tools?

Breezy Tools is a collection of free, fast utilities you can use right from your browser. Whether you need to format a JSON payload, calculate a loan payment, compare two versions of a document, or convert colors between HEX and RGB, there is a tool here for you. We built Breezy Tools because we were tired of ad-heavy sites that require accounts and send your data to remote servers. Every Breezy tool processes your input locally — nothing is uploaded, stored, or shared.

100% Private, 100% Free

All processing happens in your browser using JavaScript. Your text, code, numbers, and files are never transmitted to a server. There are no accounts to create, no cookies tracking your usage, and no paywalls gating features. Every tool is completely free and always will be.

Tools for Everyone

Breezy Tools is designed for anyone who works with text, data, or numbers. Software engineers use our formatters and encoders. Students use the calculators and unit converters. Writers use the word counter and case converter. Designers use the color converter. No matter your background, you will find something useful here — and we are adding new tools regularly.