Developer Tools

Measure download, upload speed and latency

Show IP, ISP, connection type, DNS and more

Measure latency to global Cloudflare PoPs

Browser, OS, screen, GPU, RAM, CPU cores, battery

Show your IP, location, ISP and connection details

Check connectivity to Google, GitHub, Cloudflare and more

DNS query via Cloudflare DoH (1.1.1.1)

Calculate subnet, broadcast and host count from CIDR

Via Cloudflare DoH

Detect browser/OS

Convert between JSON and YAML

Query JSON using JSONPath expressions

Generate TypeScript interfaces from JSON

Convert between decimal, hex, binary and octal

Convert files to and from Base64

Encode and decode HTML entities

Parse and format .env environment files

Test regular expressions with live matching

Compare two texts highlighting additions and deletions

Minify HTML, CSS and JavaScript code

Format and beautify SQL queries

Turn code snippets into beautiful images

Send GraphQL queries

Send HTTP requests with collections, environment variables, auth tabs, history and cURL/fetch export

Connect and send WS messages

Decode and verify HS* JWT

Convert cURL commands to JavaScript fetch or Axios

Reference and search HTTP status codes (1xx–5xx)

Look up MIME types by extension or type

Detailed explanation per header

Well-known port lookup

Parse cookie string

Syntax check

Validate XML sitemap

Generate OG/Twitter Card tags

PWA manifest

Templates per language

Pick MIT/Apache/GPL/etc.

Ready README template

Encode and decode Latin text to/from Morse code

Encrypt text by shifting letters (configurable shift)

Convert numbers to words in Arabic and English

Convert text (Arabic/English) to URL-friendly slugs

Build UTM-tagged URLs for campaign tracking

Parse URL into its components

Understand Cron expressions in plain language

Convert between Unix timestamp and date

Color picker with CSS variable output in HEX/RGB/HSL

Convert line endings

Add or strip UTF-8 BOM

Text → formatted hex dump

View file bytes in hex

Validate JSON against schema

AND/OR/XOR/Shifts

Reduce SVG size

Inspect each char codepoint

Enter any HTTP headers and understand the meaning of each with security recommendations

Build correct regex patterns for the most common programming patterns and get ready-to-use code

Generate common SQL queries without manual code writing

Get ready-to-use code for API calls with any method and correct headers in JavaScript/Python/cURL

Get the correct command for any Git operation with full explanation

Convert between different color formats: HEX, RGB, HSL, HSV, CMYK instantly

Look up any HTTP status code and get full explanation, cause, and solution

Validate JSON correctness and format it with statistics and precise error detection

Generate an organized .env file for your project with documentation comments and security tips

Analyze password strength, expected crack time, and get improvement suggestions

Evaluate your website performance against Core Web Vitals standards and get optimization priorities

Understand the most common algorithm complexities and compare them to choose the best for your problem

SHA + MD5 with input/output format control

Compute MD5 hash of text

Generate HMAC-SHA256 for message authentication

Hash and verify passwords using bcrypt

Check password breach via k-anonymity

Encrypt/decrypt text and any file with AES-256-GCM, PBKDF2 iterations control and technical details

Encrypt and decrypt files using AES-256-GCM

Generate RSA 2048 keypair using Web Crypto API

UUID v4/v7/Nano ID with format & count control

Passwords, passphrases, custom patterns, entropy bits, crack time, HIBP check and QR code

Analyze password strength with recommendations

Generate TOTP 2FA authentication codes

Generate Diceware passphrase

Generate BIP39 mnemonic

Split a secret into N shares; recover with K

Decode JWT tokens and display payload

Hide and reveal secret text in images using LSB method

Hash passwords with Argon2

Encrypt, decrypt, and sign with PGP

Generate SSH keypair (Ed25519/RSA)

Generate Ed25519 keypair + sign

Build regex with explanations

Build multiple mock endpoints with delays, custom headers, response validation and MSW/Express/json-server export

Visual breakdown of every regex component with explanations

Live HTML sandbox with console capture, rulers, device frames, auto-reload and screenshot

Visually control Flexbox with editable children, presets, property explanations and copy HTML+CSS

Visually control CSS Grid properties and copy the generated code

Enter margin/border/padding values and see the box model diagram with calculated dimensions

10 pre-built spinner designs with color, size, and speed controls

Choose animation type and properties, then copy the ready @keyframes code

Generate Shields.io badges for your README (build, version, license, ...)

Full color system via OKLCH, WCAG compliance badges, CSS/Tailwind/Figma/SCSS export, dark mode companion

Professional SVG editor with layers, shape tools, path editing, transforms, and download

Preview your site or HTML at multiple breakpoints simultaneously

Understand what your internet speed means practically and how it affects your daily usage

Convert between digital storage units and understand the difference between binary and decimal units

Compare major AI language models and choose the most suitable for your needs

Understand blockchain mechanics: transaction verification, fee calculations, and investment evaluation

Estimate monthly costs for cloud infrastructure for your digital project

Evaluate your digital account security level and get protection recommendations

Analyze your API response times and determine if they are acceptable or need optimization

Review your website against the most important SEO criteria for the current year

Analyze SQL queries and understand common performance issues and optimization strategies

Check your website experience across different screen sizes and identify common issues

Get essential Docker commands and best practices for your project

Evaluate your website's compliance with WCAG 2.2 accessibility guidelines for disabled users

Generate professional commit messages following the Conventional Commits standard

Search all HTTP status codes with Arabic and English explanations

Beautify JSON, validate it, and display statistics

Test your regular expressions in real time with highlighted matches

Convert Arabic or English text to a URL-friendly slug

Convert between CSS units (px, rem, em, vw, vh, pt, cm) accurately

Calculate your team's velocity and estimate backlog completion based on past sprints

Calculate IP range, host count, network and broadcast addresses from CIDR notation

Convert between number systems: Binary, Octal, Decimal, Hexadecimal

Generate formatted Markdown tables from your data easily

Transform and manipulate strings: camelCase, snake_case, hash, base64 and more

Inspect any text to discover Unicode values and HTML codes for each character

Encrypt your text using simple ciphers like Caesar, ROT13, and mirror cipher

Analyze password strength with multiple criteria and get recommendations

Generate a QR code from any text or URL instantly

Create a simple pivot table from your data

Format and display API responses beautifully and readably

Validate IP addresses, convert between formats, and identify their classes

Assess your project's technical debt level and the cost to repay it

Generate a unit test skeleton for your function based on its description

Convert numbers between different bases from base 2 to base 36

Create a formatted HTML table ready for use from your data

Generate data validation rules for your form in any programming framework

Test your knowledge of programming fundamentals and computer science

Compare AWS, Azure, and GCP costs for your use case

Learn Python basics with interactive examples

Learn SQL query basics with practical examples

Browse a library of common Excel formulas with practical examples

Calculate bandwidth, latency, and network data analysis

Convert text to Morse code and back

Generate a strong and secure password with custom properties

Browse Flexbox properties with visual examples and ready code

Essential CSS Grid properties with ready-to-use examples

Generate optimized Meta Tags for search engines and social platforms

Generate secure API keys and tokens in various formats

Calculate your website performance metrics and understand their user impact

Generate a simple SVG data chart for your data

Format phone numbers in international format and validate them