Developer Tools,
Simplified.

Compress JPEG, PNG, WebP images online. Reduce file size while maintaining quality. 100% browser-based.

Convert images between JPG, PNG, WebP, BMP, GIF formats. Batch convert multiple files instantly.

Generate QR codes from text, URLs or data with customizable size and colors.

Convert images to Base64 encoded strings for embedding in HTML/CSS.

Generate favicons from images or text/emoji. Multiple sizes for all devices.

Optimize and compress SVG files. Remove metadata, minify paths, reduce file size.

Resize SVG images by adjusting the viewBox attribute. Change dimensions while maintaining vector quality.

Generate placeholder/dummy images for development. Custom size, color, and text.

Extract dominant colors from images. Get color palette with hex and RGB values.

Add text or image watermarks to photos. Adjust position, opacity, and size.

Crop images with visual selection. Preset aspect ratios and custom dimensions.

Place screenshots in device frames. iPhone, MacBook, iPad, browser mockups.

Apply Instagram-style filters to images

Blur or pixelate areas of images for privacy

Create pixel art with grid canvas and color palette

Combine multiple images into grid collages

View EXIF metadata from JPEG images. Camera info, GPS, exposure settings.

Convert images to ASCII art with customizable density, character sets, and color mode.

Combine multiple PDF files into one document. Drag to reorder. Download instantly.

Extract specific pages or split PDF into multiple files. Download as ZIP.

Reduce PDF file size by re-optimizing and removing metadata.

Convert PDF pages to JPG or PNG images with adjustable quality.

Convert JPG, PNG images to PDF. Combine multiple images into one PDF.

Calculate exact age in years, months, days. Zodiac sign, birthday countdown and fun facts.

Calculate Body Mass Index with visual gauge. Supports metric and imperial units.

Calculate percentages, percentage change, tips, discounts and more.

Calculate compound interest with chart. Compare growth over time with contributions.

Calculate monthly payments, total interest, and amortization schedule for loans.

Calculate date differences, add/subtract days, and D-Day countdown.

Calculate IP subnets, network ranges, broadcast addresses, and host counts.

Calculate restaurant tips and split bills between multiple people.

Calculate and convert aspect ratios. Common presets for screens and media.

Estimate electricity costs for appliances. Daily, monthly, yearly calculations.

IPv4 CIDR range expander, IPv6 ULA generator, and MAC address generator for network admins.

Calculate net pay with tax brackets and deductions

Calculate monthly mortgage payments with amortization

Calculate sale prices, savings, and sequential discounts

Calculate weighted GPA from course grades and credits

Full scientific calculator with trigonometry and functions

Calculate combinations, permutations, and dice probability

Perform AND, OR, XOR, NOT, shift operations with visual 32-bit binary representation.

Matrix operations: add, multiply, transpose, inverse, determinant, rank for up to 6x6.

Descriptive stats, hypothesis testing, A/B test significance, and probability distributions.

Create beautiful linear, radial, and conic CSS gradients with visual editor.

Create CSS box shadows visually. Multiple layers, neumorphism presets.

Create frosted glass CSS effects. Adjust blur, transparency, borders.

Create soft UI neumorphic designs. Flat, concave, convex, pressed styles.

Interactive CSS Flexbox builder. Adjust container and item properties visually.

Visual CSS Grid layout builder. Define columns, rows, gaps and merge cells.

Create CSS keyframe animations visually. Presets for fade, slide, bounce, spin.

Create CSS text shadows with multiple layers. Neon, emboss, 3D presets.

Advanced border-radius editor with individual corner control and presets.

Visual CSS filter editor. Blur, brightness, contrast, grayscale and more.

Generate Tailwind CSS color scales from a base color. Full 50-950 palette.

Create CSS-only background patterns. Stripes, dots, checkerboard, zigzag.

Create CSS clip-path shapes visually. Polygon, circle, ellipse with draggable points and presets.

Interactive CSS cubic-bezier() easing curve editor with animation preview and common presets.

Create pure CSS loading spinners and animations

Generate CSS triangles with border trick

Create cyberpunk glitch text effects with CSS

Customize browser scrollbar appearance with CSS

Generate custom CSS toggle switch components

Generate CSS-only tooltips and speech bubbles with configurable arrow and styling.

Generate wave, diagonal, zigzag, and curve section dividers between page sections.

Generate CSS corner ribbons, flat ribbons, and bookmark ribbons for badges.

Calculate and compare CSS selector specificity with visual breakdown and conflict resolution.

Interactive visual tester for CSS :nth-child expressions with live grid preview.

Convert plain CSS properties to Tailwind CSS utility classes. Supports v3 and v4.

Generate CSS clamp() expressions for fluid, responsive font sizes across viewports.

Create beautiful code screenshots with syntax highlighting and custom themes.

Compare two texts side by side. Line, word, or character level diff.

Decode JWT tokens. View header, payload, signature and expiration.

Build cron expressions visually. See next execution times and descriptions.

Format and beautify SQL queries. Uppercase keywords, custom indentation.

Create Markdown tables with visual editor. Set alignment, import CSV.

Pick colors and convert between HEX, RGB, HSL formats.

Test regular expressions with real-time matching and group highlighting.

Convert between Unix timestamps and human-readable date formats.

Convert between JSON and YAML formats bidirectionally. Auto-convert on input.

Convert between XML and JSON formats. Handles attributes and nested elements.

Generate TypeScript interfaces from JSON data. Nested types and arrays.

Minify HTML, CSS, JavaScript code. Show compression ratio and size savings.

Format and beautify HTML, CSS, JS, JSON code with configurable indentation.

Parse browser user agent strings. Detect browser, OS, device and engine.

Full-featured REST API client like Postman. CORS proxy, request history, collections, environments, code generation. Supports all HTTP methods.

Validate JSON data against JSON Schema. Detailed error reporting with paths.

Convert between TOML and JSON formats. Parse tables, arrays, and values.

Explain regular expressions in plain English. Color-coded breakdown.

Complete HTTP status code reference. Searchable, categorized, with descriptions.

Unix file permission calculator. Visual checkboxes, numeric and symbolic notation.

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats with live preview.

Look up MIME types by file extension or find extensions by MIME type. Searchable reference.

Press any key to see its JavaScript event properties: key, code, keyCode, which, location.

Convert docker run commands to docker-compose.yml format. Supports ports, volumes, env vars.

Generate HTTP Basic Authentication headers from username and password.

Identify hardware manufacturer from MAC address prefix using OUI database.

Format, beautify and validate XML with auto-indentation. Minify option.

Parse, compare, and validate semantic versions. Bump major, minor, patch.

Create instant mock API endpoints. JSON in, URL out. Configurable status, headers, delay. 7-day TTL.

Catch and inspect webhooks in real-time. Create temporary endpoints to debug API integrations.

Visualize JSON as an interactive collapsible tree

Escape and unescape JSON special characters

Convert between HTML and Markdown bidirectionally

Minify JavaScript by removing comments and whitespace

Write HTML/CSS/JS with live preview in sandboxed iframe

Generate Zod validation schemas from JSON data. Nested types, arrays, optionals.

Generate Go struct definitions from JSON with json tags and proper types.

Generate Dart classes with fromJson/toJson methods from JSON data.

Test XPath expressions against XML documents with match highlighting.

Compare two lists to find union, intersection, and differences (set operations).

Convert cURL commands to code in 8 languages: JavaScript, Python, Go, PHP, Java, Ruby, C#, Node.js.

Estimate token counts and costs for GPT-4, Claude, Llama and other LLM models.

Generate .gitignore files by selecting languages, frameworks, IDEs, and OS templates.

Build Conventional Commits messages with type, scope, breaking change, body, and footer.

Browser-based WebSocket client. Connect, send messages, and inspect frames in real time.

Parse and validate .env files. Detect duplicates, convert to JSON/YAML, diff two files.

Generate Nginx and Apache configs for reverse proxy, SPA, static files, SSL, and more.

Distributed browser-based load tester. Create a room, share the link, and connected browsers swarm-test your endpoints with real-time metrics.

Convert length, weight, temperature, area, volume, speed, time, data and more.

Convert numbers between Binary, Octal, Decimal and Hexadecimal.

Convert between JSON and CSV formats. Custom delimiters, table preview.

Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.

Convert between Arabic numbers and Roman numerals bidirectionally.

Convert between bytes, KB, MB, GB, TB and more

Convert numbers to English words and currency

Convert between characters and ASCII/Unicode codes

Convert HTML markup to valid JSX/TSX for React projects. Handles className, camelCase props, self-closing tags.

Convert SVG files to React JSX components with proper camelCase attributes.

Convert between px, rem, em, vw, vh, pt with configurable base font size and viewport.

Convert text between uppercase, lowercase, title case, camelCase, snake_case.

Count characters, words, sentences. Check social media character limits.

Generate placeholder text in paragraphs, sentences or words.

Count words, characters, sentences and paragraphs instantly.

Convert text to ASCII art banners. Multiple font styles and live preview.

Reverse, sort, deduplicate, trim lines, extract emails/URLs and more.

Analyze word frequency in text. Visual chart, filter, and stop words.

Convert text to Unicode styles: bold, italic, fraktur, outline, circled, upside down.

Convert text to speech using Web Speech API. Voice, speed, pitch controls.

Generate URL-friendly slugs from text. Custom separator and options.

Convert text to NATO phonetic alphabet. Alpha, Bravo, Charlie... with text-to-speech.

Estimate reading, speaking, and writing time for any text. Customizable reading speed.

Convert lists between formats: newline, comma, JSON array, pipe. Sort and deduplicate.

Generate numeronyms from words. internationalization → i18n, Kubernetes → k8s.

Repeat text multiple times with custom separators

Sort, deduplicate, and clean text lines

Clean and normalize whitespace in text

Analyze text readability with Flesch-Kincaid and more

Convert text to Bionic Reading format by bolding initial letters for faster reading.

Encode text to Base64 or decode Base64 strings.

Encode or decode URLs and query parameters.

Encode or decode HTML entities for safe display.

Compress and decompress text with GZip in the browser. View compression ratio.

Obfuscate sensitive strings for safe sharing. Mask emails, API keys, passwords.

Convert text to Morse code and back with audio

Convert between text and binary representation

Convert between text and hexadecimal

Encode and decode text with ROT13 and Caesar cipher

Encrypt and decrypt text using the Vigenere polyalphabetic substitution cipher.

Encode and decode data using Base32 (RFC 4648). Standard and Base32hex variants.

Inspect Unicode characters: code points, UTF-8 bytes, categories, invisible char detection.

Generate unique UUIDs (v4) for use as identifiers.

Create strong random passwords with customizable options.

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

Generate test data: names, emails, addresses, phone numbers. JSON/CSV export.

Generate Universally Unique Lexicographically Sortable Identifiers. Decode timestamps from ULIDs.

Generate BIP39 seed phrases for crypto wallets. 12 to 24 words with validation.

Generate privacy policy documents for your website

Generate terms of service documents

Generate secure memorable passphrases

Generate random SVG avatars and profile pictures

Generate cryptographically random tokens in hex, Base64, Base64url formats for API keys.

Generate CHANGELOG.md from git log with Conventional Commits grouping by type.

Generate HTML meta tags for SEO, Open Graph, and Twitter Cards.

Create robots.txt files visually. Common presets and AI bot blocking.

Generate XML sitemaps. Add URLs with priority, frequency, and last modified.

Create Schema.org structured data. Article, Product, FAQ, and more types.

Build Content Security Policy headers visually. Nginx and Apache snippets.

Parse and analyze URLs. Edit components and rebuild. Query parameter editor.

Encrypt and decrypt text with AES-GCM. Browser-based Web Crypto API.

Generate RSA key pairs (2048/4096 bit). Export as PEM format.

Generate and verify password hashes with PBKDF2-SHA256. Configurable rounds.

Generate HMAC authentication codes. SHA-1, SHA-256, SHA-512 support.

Decode PEM certificates. View subject, issuer, validity, and expiration.

Generate time-based one-time passwords (TOTP) for 2FA testing. Live rotating codes with countdown.

Analyze password strength with entropy calculation, crack time estimation, and improvement tips.

Decode PEM-encoded X.509 SSL certificates. View subject, issuer, validity.

Auto-detect hash types from hash strings

Generate RSA key pairs for SSH authentication

Calculate file checksums with CRC32, SHA-1, SHA-256, SHA-512 for integrity verification.

Validate email addresses. Format check, typo detection, disposable email warning.

Validate credit card numbers with Luhn algorithm. Detect card type.

Format international phone numbers. 20+ countries with validation.

Validate International Bank Account Numbers. Mod 97 check algorithm.

Validate JSON syntax with auto-fix suggestions

Validate YAML syntax and convert to JSON

Generate harmonious color palettes. Analogous, complementary, triadic schemes.

Check WCAG AA/AAA color contrast ratios for accessibility compliance.

Generate shades and tints of any color

Mix two colors with adjustable ratio and blend modes

Create organic SVG blob shapes

Generate gradient wallpapers in any resolution

Discover beautiful Google Font pairings

Find the closest CSS named color for any hex or RGB value. 148 color database.

Generate modular type scales with configurable ratios. Export as CSS, Tailwind, or SCSS.

Generate Perlin noise, grain, halftone, and paper textures. Export as PNG, CSS, or SVG.

Write Markdown with live preview. GFM support, syntax highlighting, export.

Write HTML with live split-pane preview

Live Mermaid diagram editor. Flowcharts, sequence, class, ER, Gantt with SVG export.

Create professional invoices. Add items, calculate tax, download as PDF.

Build professional resumes with 3 templates. Download as PDF.

Calculate the real-time cost of meetings

Record screen, window, or tab with audio. Download as WebM. Browser-based.

Resize images for Instagram, Facebook, Twitter, YouTube, LinkedIn.

Preview how links appear on Facebook, Twitter, LinkedIn, Slack, Discord.

Create X/Twitter post mockups and download as image

Generate Instagram post mockups

Preview LinkedIn post layouts

Download YouTube video thumbnails in all resolutions. Just paste the video URL.

Split long text into tweet-sized segments for Twitter/X, Mastodon, and Instagram threads.

Countdown timer with Pomodoro mode, quick presets and alarm.

Precise stopwatch with milliseconds, lap recording and CSV export.

Search, browse and copy 300+ emojis by category. Click to copy.

Generate QR codes for WiFi. Guests scan to connect automatically.

Generate Code 128 barcodes from text. Customizable size and format.

View current time in multiple time zones. Convert between time zones.

Browser-based notepad with auto-save. Multiple notes, download as text.

Simple drawing whiteboard. Pen, shapes, eraser, undo/redo. Download as PNG.

Simulate color blindness on images. Protanopia, deuteranopia, tritanopia.

Detect browser capabilities and features. Screen, hardware, API support.

Random numbers, dice, coin flip, picker, color generator, and shuffler.

Test your typing speed. WPM, accuracy tracking, multiple durations.

Generate random port numbers for development. Filter by range, bulk generate.

Focus timer with work/break cycles for productivity

Spin a wheel to make random decisions

Create countdowns to important dates and events

Shuffle lists and pick random items

Flip coins and roll dice with statistics

Track daily habits with streak calendar

View screen resolution, viewport, and device info

Format, validate and beautify JSON with tree view and code view.

Test JSONPath expressions against JSON data with real-time matching.

Minify JSON by removing whitespace. See size reduction and savings.

Validate JSON and view as formatted tree

Escape and unescape strings for JSON