All Tools
80 free tools for developers and designers. No signup required.
Frontend Tools
(28)Colors
Color Palette Generator
Create beautiful color palettes with perfect harmony
Contrast Checker
Ensure WCAG accessibility with instant contrast ratios
Color Converter
Convert any color between HEX, RGB, HSL, and OKLCH instantly
Image Color Extractor
Extract dominant colors from any image with draggable pickers
Color Name Finder
Find the closest human-readable name for any color instantly
Color Picker
Pick any color with a canvas, sliders, and screen sampling
Color Blindness Simulator
See your designs through the eyes of people with color vision deficiency
typography
CSS
CSS Gradient Generator
Create stunning gradients with live preview & CSS export
Glassmorphism Generator
Design frosted glass effects with backdrop blur
Neumorphism Generator
Create soft UI shadows for modern interfaces
Box Shadow Generator
Craft CSS box shadows with real-time visual preview
CSS Background Patterns
Generate geometric patterns & textures in pure CSS
CSS Animation Generator
Create custom bezier curves & timing functions
layout
mobile
DP to PX Converter
Convert Android dp values into real device pixels
PX to DP Converter
Reverse pixel values into Android density-independent units
SP to PX Converter
Preview Android text sizing across density and font scale
PX to SP Converter
Reverse Android text pixels into scale-independent units
iOS Points to Pixels
Convert UIKit and SwiftUI point values into asset pixels
Mobile Spacing Scale
Generate Android and iOS spacing tokens with live previews
Adaptive Icon Previewer
Preview Android launcher masks and the icon safe zone
Backend Tools
(13)data-formatting
JSON Formatter & Validator
Format, validate, and minify your JSON
Base64 Encoder/Decoder
Encode and decode Base64 strings with support for different variants and file handling
CSV Viewer
Open CSV online with delimiter detection, table preview, filtering, and column extraction
JSON to TypeScript
Convert JSON to TypeScript, Zod, React Query & Prisma instantly
SQL Formatter
Format & beautify SQL for PostgreSQL, MySQL, BigQuery & 15 more
encoding
Regex Tester & Debugger
Test and debug regular expressions with real-time results
cURL Command Generator
Generate curl commands for APIs with auth, headers, query params, JSON, forms, and uploads
UUID/GUID Generator
Generate unique identifiers (UUIDs/GUIDs) for your applications
Chmod Calculator
Convert Linux file permissions between octal, symbolic, and visual grid formats
Text to Binary Converter
Convert text to binary
Binary to Text Converter
Convert binary to text
SEO Tools
(28)metadata
Open Graph Checker
Preview how your website appears on social media
Meta Tag Generator
Generate complete HTML meta tags for SEO and social media
Meta Tag Extractor
Extract and analyze all meta tags from any webpage
Meta Length Checker
Check title and meta description character counts for SEO
Favicon Generator
Generate all favicon sizes from any image — ico, PNG, apple-touch-icon, webmanifest
OG Image Generator
Create beautiful 1200×630 Open Graph images for social media previews
Serp Simulator
Preview how your webpage appears in Google search results with live editing
Favicon Checker
Check if your favicon is set up correctly across all platforms
technical-seo
Sitemap Generator
Create XML sitemaps to help search engines index your site
Schema Generator
Generate JSON-LD structured data for rich search results
Redirect Checker
Trace URL redirect chains & detect redirect loops
Canonical URL Checker
Validate rel=canonical tags and preferred URL alignment
Robots.txt Checker
Audit crawl directives, sitemap lines, and tested paths
Hreflang Checker
Check alternate language tags, x-default, and return links
Core Vitals Checker
Analyze load times across 3G, 4G, 5G & fiber connections
HTTP Header Analyzer
Check security headers, caching & performance optimization
Sitemap Splitter
Split large XML sitemaps into smaller files (50,000 URLs each)
Sitemap Validator
Validate XML sitemaps for errors and Google compliance
XML Sitemap Extractor
Extract and export all URLs from XML sitemaps to CSV
Domain Rating Checker
Check Ahrefs Domain Rating (DR) for any website instantly
content
HTML Cleaner
Strip bloated HTML attributes from AI and editor content
Word Counter
Count words, characters, sentences, and paragraphs instantly
Reading Time Estimator
Calculate reading and speaking time for any text
Passive Voice Checker
Find passive sentences and improve SEO copy clarity
Case Converter
Convert between camelCase, snake_case, kebab-case & 15+ formats
Alt Text Checker
Check image accessibility and WCAG compliance for any URL
Reading Level Checker
Analyze text readability with Flesch-Kincaid, SMOG, Dale-Chall and more
Intel Tools
(11)AI Token Counter
Count OpenAI and Claude prompt tokens, inspect context fit, and spot token-heavy inputs
Email Header Analyzer
Parse raw email headers to inspect SPF, DKIM, DMARC, routing hops, and sender identity mismatches
IPv4 to IPv6 Converter
Generate IPv4-mapped, compatible, and 6to4-style IPv6 representations for IPv4 addresses
IPv6 to IPv4 Converter
Extract embedded IPv4 values from mapped, compatible, and 6to4 IPv6 address forms
Hash Identifier
Detect likely hash formats, password-hash schemes, and common digest ambiguities from raw values or batches
Cookie Scanner
Scan live pages for Set-Cookie flags, tracking categories, persistence, and consent banner signals
Number Base Converter
Convert binary, octal, decimal, and hexadecimal values with fixed-width, signed, unsigned, and byte-level views
Tech Stack Detector
Find what any website is built with — frameworks, hosting, analytics and more
Proxy Checker
Test proxy status, latency, anonymity level and location