Free browser tools for fast web operations

HTML Minifier

Compress HTML for production

HTML to JSX Converter

Convert HTML to React JSX

HTML to Markdown

Convert HTML to Markdown

HTML Tag Stripper

Remove all HTML tags

Open Graph Preview

Social card preview and QA pack

Structured Data Audit

JSON-LD QA and launch pack

Broken Link Audit

Find risky links before launch

Markdown to HTML

Render Markdown as HTML

HTML Table Generator

Visual table builder

CSS Minifier & Beautifier

Compress or format CSS

CSS Grid Generator

Visual grid layout builder

SVG Optimizer

Minify and clean SVG markup

CSS Flexbox Generator

Build flexbox layouts visually with live preview

SVG to CSS Data URI Encoder

SVG as background-image

Color Palette Generator

Palettes from one color

Website Accessibility Audit

Crawl a page for WCAG risks

CSS Variables Generator

Generate a custom CSS variable theme

Image Resize Calculator

Calculate new dimensions while preserving aspect ratio

Password Strength Checker

Analyze password entropy and weaknesses

CSS Variables Extractor

Extract CSS custom properties

CSS Unit Converter

px → rem, em, vw, vh

YAML ↔ JSON Converter

Convert between YAML and JSON

JSON to YAML

Convert JSON to YAML format

JSON Schema Generator

Infer and validate API contracts

API Response Diff

Find breaking response changes

Form Data Inspector

Decode and rebuild API form payloads

Webhook Signature Verifier

Verify and generate HMAC webhook signatures

Cookie Header Inspector

Audit Set-Cookie headers before release

CORS Preflight Inspector

Debug browser API access before release

CSP Header Inspector

Audit Content-Security-Policy before release

JSON Minifier

Compress JSON by removing whitespace

Unit Converter

Convert length, weight, temperature & volume

Text Repeater

Repeat any text N times with a separator

JSON Formatter & Validator

Pretty-print & validate JSON

Base64 Encode / Decode

Base64 payload QA pack

Morse Code Converter

Text ↔ Morse, with audio playback

Number to Words

Convert numbers to English words

Case Converter

UPPER, lower, camelCase…

JSON to CSV Converter

Export JSON arrays as CSV

CSV Cleanroom

Audit messy CSV before import

JSON to TypeScript

Generate TypeScript interfaces

SQL Formatter

Beautify & minify SQL queries

JSON Diff

Compare two JSON objects

Roman Numeral Converter

Integer ⇄ Roman numerals

Binary ↔ Text Converter

Text to binary and back

Markdown Table Generator

CSV → Markdown or HTML table

Number Base Converter

Decimal, Hex, Binary, Octal

URL Slug Generator

SEO-friendly slugs

Favicon Generator

Letter favicons in seconds

Image to Base64

Convert images to data URIs

UTM Link Builder

Campaign URL generator

Robots.txt Generator

Crawler rules made easy

LLMs.txt Generator

AI-readable site guide

IP / CIDR Calculator

Subnet calculator & IP range

chmod Calculator

Linux file permission builder

Security Headers Generator

Header audit and launch pack

.htaccess Redirect Generator

Redirect migration QA pack

CSS Clamp Calculator

Fluid typography sizing

Hash Generator

SHA-1, SHA-256, SHA-512 online

List Sorter & Deduplicator

Sort, dedupe & shuffle lines

Text to Speech

Convert text to audio using your browser

Text Statistics

Words, chars, reading time & more

Fake Data Generator

Random names, emails & addresses

HTTP Request Builder

curl, fetch & axios code generator

UUID Generator

Generate v4 UUIDs instantly

Unix Timestamp Converter

Timestamp ↔ human-readable date

Color Converter

Convert HEX, RGB, HSL, HSV, CMYK instantly

URL Parser

Parse, clean, and QA share URLs

Color Blindness Simulator

Preview designs through color-blind filters

CSS Triangle Generator

Generate pure-CSS triangles with copy-ready code

CSS Filter Generator

Visual builder for CSS filter effects

CSS Animation Generator

Build @keyframes animations visually

SQL Query Builder

Build SELECT queries visually

Password Generator

Generate strong, configurable passwords

Text Encrypt / Decrypt

AES-GCM encrypt text in your browser

IP Address Info

Parse IPv4/IPv6: binary, class, CIDR, private/public

CSS Border Radius Generator

Visual per-corner border-radius builder

Byte / Bit Converter

Convert between bytes, KB, MB, GB, TB

CSS Named Colors

Browse & copy all 140 CSS color names

String Escape / Unescape

Escape, review, and hand off string contexts

Line Counter

Count, number, and filter lines in any text

HTML Color Codes

Interactive HEX, RGB, HSL color converter + reference

Duplicate Line Remover

Remove duplicate lines from text

.htaccess Generator

Build Apache .htaccess rules visually

JWT Builder

Build & sign JWT tokens in-browser

Aspect Ratio Calculator

Calculate & compare image aspect ratios

Meta Tags Generator

SEO & Open Graph launch QA pack

cURL to Fetch Converter

Convert curl to JS fetch / axios

CSS Specificity Calculator

Audit CSS cascade risk

QR Code Generator

Generate QR codes instantly

CSS Text Shadow Generator

Visual text-shadow builder

Word Frequency Counter

Analyze word and phrase frequency

CSS Gradient Generator

Linear & radial gradient builder

JSON to SQL INSERT

JSON array → INSERT statements

Markdown Cheatsheet

Interactive Markdown reference with copy examples

Markdown Preview

Live Markdown → HTML renderer

CSS Box Shadow Generator

Visual box-shadow builder

Email Address Validator

Validate email format & anatomy

Image Color Picker

Extract colors from any image

HTML Entity Encoder / Decoder

Encode & decode HTML entities

URL Encoder / Decoder

URL encoding QA pack

Text Diff Viewer

Compare two blocks of text

Cron Expression Builder

Visual cron schedule generator

Lorem Ipsum Generator

Placeholder text for designs & mockups

Number Formatter

Commas, currency, scientific notation

JSONPath Tester

Query JSON with JSONPath expressions

JWT Decoder

Decode, audit & hand off JWT claims