Loading…

Text & Writing Password & Security Converters Math & Numbers Date & Time Color & Design Web & Dev SEO & Marketing Image Network / What's my...Generators Finance & Calculators Social Media PDF Audio / Video AI / LLM Education / Citations Fun

Free online tools for every part of your life. A growing toolkit for the small jobs that come up in work, money, home and study, free to use with no subscription fee.

ToolBreezy © 2026. All rights reserved.

About Contact Search Privacy Terms

Home
Web & Dev

Web & Dev

Formatters, validators, encoders and generators, for the ten minutes between a broken payload and a working one.

33 tools in 5 groups

Formatters & Validators

13 tools

JSON Formatter / Validator

Format, minify, and validate JSON with 2-space, 4-space, or tab indentation - all in your browser.

YAML to JSON Converter

Convert YAML to JSON and back in your browser. One-click swap for a full round-trip, pretty or minified JSON, then copy or download. 100% private.

YAML Formatter & Validator

Format and validate YAML in your browser without losing your comments. Reads Kubernetes multi-document files, and lets you set indent, sort keys, line width, and style.

SQL Formatter

Paste raw SQL and get it instantly formatted - keywords uppercased, major clauses on new lines, SELECT lists indented for easy reading.

CSS Minifier

Paste CSS and get a minified version instantly - comments stripped, whitespace collapsed, redundant semicolons removed. See the exact bytes saved.

HTML Minifier

Minify HTML in your browser and choose exactly what to strip. See how many bytes came from comments versus whitespace, and keep your pre, script, and style blocks untouched. Nothing uploaded.

HTML Formatter

Paste messy or minified HTML and get clean, readable markup back - indented by nesting depth, one tag per line, with your <pre>, <textarea>, <script>, and <style> blocks left exactly as written.

XML Formatter

Format XML into clean, indented markup or minify it back to one line. Loads local files, keeps your declaration, CDATA, and comments intact, and flags malformed XML. Runs in your browser.

CSS Beautifier

Beautify or minify CSS in your browser. Open a local .css file or paste, get clean readable code or squash it to one line. Comments and data-URIs stay intact, nothing is uploaded.

Cron Expression Parser

Paste any cron expression to get a plain-English description of when it runs, plus the next several fire times - validated and computed in your browser.

PX to REM Converter

Convert px to rem both ways, or paste a whole CSS block and convert every px value at once. Adjustable root font size, quick-reference table, and it leaves the rest of your CSS untouched.

UUID Validator

Check whether a UUID is valid and detect its version (1-5, 7) and variant - one at a time or a whole list, in your browser.

JSON Minifier

Paste JSON and get a compact single line instantly. Keeps every value, shows the real UTF-8 bytes and gzipped size, and can minify JSONC config files that have comments and trailing commas.

Encoders & Decoders

6 tools

URL Encoder / Decoder

Encode or decode URLs and query strings safely, entirely in your browser.

HTML Encoder / Decoder

Escape or unescape HTML entities safely, entirely in your browser.

Text to Binary

Convert text to binary, and see the same bytes in hex, octal, and decimal at once. Paste any base to decode it back to text, live in your browser.

Hex to Text

Convert hex to text and text to hex, with UTF-8 support, live in your browser.

JSON Escape / Unescape

Escape raw text or a whole file into a JSON-safe string, unescape a JSON string back to plain text, or force ASCII-only output. Everything runs in your browser.

Query String Parser

Paste a URL to decode its parameters, then add, edit, remove, and reorder them and copy the properly encoded query string or full URL back out. All in your browser.

Data Convert

7 tools

CSV to JSON Converter

Convert CSV to a JSON array of objects or arrays. Auto-detect the delimiter, trim whitespace, and optionally parse numbers without mangling leading zeros. Runs in your browser.

JSON to CSV Converter

Convert a JSON array of objects to CSV. Flatten nested objects and arrays into their own columns, choose a delimiter, and keep it all in your browser.

Markdown to HTML

Convert Markdown to HTML, then download a complete standalone styled HTML file or copy it as rich text to paste straight into Google Docs, Word, or email. Live styled preview, all in your browser.

JSON to YAML Converter

Convert JSON to YAML live as you type. Pick 2 or 4 space indent, sort keys, drop in a .json file, and safe quoting dodges the Norway problem. Runs in your browser.

JSON to XML Converter

Convert JSON to XML in your browser. Turn @ keys into attributes, choose repeated or item-wrapped arrays, set indentation, name the root, and toggle the declaration. Nothing is uploaded.

XML to JSON Converter

Paste XML and get JSON in the exact shape you want. Pick the attribute prefix, force arrays, parse numbers, go compact or pretty, then copy or download. Runs in your browser.

CSV to Markdown Table

Convert CSV to a GitHub-flavored Markdown table with per-column alignment and a live preview. Auto-detects the delimiter, escapes pipes, and runs in your browser.

Generators

2 tools

chmod Calculator

Tick read, write, and execute for owner, group, and other, add the setuid, setgid, or sticky bit when you need it, and get the octal value, the symbolic string, and a ready-to-copy chmod command.

Cron Expression Generator

Build a cron schedule visually - set each field, use a preset, and get the expression plus a plain-English description of when it runs.

Testing & Inspect

5 tools

JWT Decoder

Decode a JSON Web Token to read its header and payload, with human-readable expiry - all in your browser.

Regex Tester

Test regular expressions live, highlight every match, list capture and named groups, then flip to replace mode to transform text with $1 group references. Runs fully in your browser.

Diff Checker

Paste or drop two blocks of text and highlight the exact words or characters that changed inside each edited line. Ignore case or whitespace, all in your browser.

User-Agent Parser

Parse any user-agent string into browser, OS, device type, and rendering engine - instantly, in your browser.

HTTP Status Code Lookup

Search HTTP status codes by number or keyword, or paste a curl command, log line, or raw response and it pulls out the code and its meaning. All in your browser.