# EasyUtils

> EasyUtils by Oxbit Labs is a free, privacy-first suite of browser-based developer tools and data format converters. All conversions, data formatting, cryptography, and file operations run 100% locally client-side in the user's browser with zero server storage and zero data retention. Diagnostic network tools only interact with target destinations requested by the user.

Current product version: v2.35.1

Use the canonical URLs below when citing or opening a tool. Network tools may send a request to a user-selected destination; other tools process data entirely inside the browser.

AI usage policy (Content-Signal): ai-train=no, search=yes, ai-input=yes. Search indexing and user-directed AI assistance are welcome; do not use this content for AI model training.

## Featured conversion guides

- [JSON to YAML Converter](https://easyutils.dev/convert/json-to-yaml): Convert JSON to readable YAML online with a fast browser-based converter. Validate the input, preserve nested data, and copy the YAML output.
- [YAML to JSON Converter](https://easyutils.dev/convert/yaml-to-json): Convert YAML to valid JSON online. Check indentation errors, preserve nested structures, and copy formatted JSON in your browser.
- [JSON to CSV Converter](https://easyutils.dev/convert/json-to-csv): Convert arrays of JSON objects to CSV online. Generate spreadsheet-ready rows with consistent headers and downloadable output.
- [CSV to JSON Converter](https://easyutils.dev/convert/csv-to-json): Convert CSV rows to structured JSON online. Parse headers, quoted values, and tabular data directly in your browser.
- [CSV to SQL Converter](https://easyutils.dev/convert/csv-to-sql): Convert CSV data to CREATE TABLE and INSERT statements online with type inference and support for multiple SQL dialects.
- [Base64 Encoder](https://easyutils.dev/encode/base64): Encode UTF-8 text as Base64 online. Generate a copy-ready Base64 value locally in your browser without signup.
- [Base64 Decoder](https://easyutils.dev/decode/base64): Decode Base64 to readable UTF-8 text online. Validate and inspect encoded values locally in your browser.
- [Unix Timestamp to Date Converter](https://easyutils.dev/convert/unix-timestamp-to-date): Convert Unix timestamps in seconds or milliseconds to UTC, ISO 8601, and local dates. Choose the input unit explicitly when automatic detection is ambiguous.
- [Timestamp to Date Converter](https://easyutils.dev/convert/timestamp-to-date): Convert timestamps to human-readable dates online. Real-time UTC, ISO 8601, and local time conversion for developers and system administrators.
- [Epoch to Date Converter](https://easyutils.dev/convert/epoch-to-date): Convert Epoch seconds and milliseconds to readable date formats online. Free, instant, and accurate epoch time converter for developers.
- [Merge Images Online](https://easyutils.dev/convert/merge-images-online): Merge two photos side by side or vertically, or combine four images in a 2x2 grid. Preserve or normalize sizes and download PNG, JPEG, or WebP.
- [HTML Online Viewer & Live Preview](https://easyutils.dev/convert/html-online-viewer): View and test HTML, CSS, and JavaScript code online with instant real-time live preview. Secure sandboxed iframe preview with export capabilities.
- [URL Encode & Decode Online](https://easyutils.dev/convert/url-encode-decode): Encode and decode URLs and query parameters online. Fast, RFC 3986 compliant URL encoder and decoder with UTF-8 support.
- [Binary to Text & Text to Binary Converter](https://easyutils.dev/convert/binary-converter): Convert binary code (0s and 1s) to ASCII text and plain text to binary online. Instant browser-based conversion with customizable byte spacing.
- [PNG to WebP Converter](https://easyutils.dev/convert/png-to-webp): Convert PNG images to WebP online in your browser and download a web-ready image while preserving transparent pixels when supported.
- [HEX to RGB Color Converter](https://easyutils.dev/convert/hex-to-rgb): Convert HEX color codes to RGB values online with instant validation, visual preview, and CSS code copy.
- [Make a PDF Look Scanned](https://easyutils.dev/convert/make-pdf-look-scanned): Make a digital PDF look scanned in your browser using paper tone, noise, and scan presets. Process up to 50 pages per PDF and download image-based PDF output.
- [Make a Picture Look Scanned](https://easyutils.dev/convert/make-image-look-scanned): Turn a JPG or PNG photo into a realistic scanned document online. Free scan effect with paper texture, noise, fax and aged presets - processed privately in your browser.
- [Encrypt & Decrypt Text Online](https://easyutils.dev/convert/encrypt-decrypt-text): Encrypt or decrypt sample text using AES or legacy CryptoJS ciphers. Match key size, mode, and encoding; processing is local and inputs are saved in this browser.

## Tool catalog

- [JSON, YAML, XML & CSV Converter](https://easyutils.dev/format-converter): Convert between JSON, YAML, XML, and CSV formats. [Markdown](https://easyutils.dev/ai/tools/format-converter.md)
- [JSON to Code Models](https://easyutils.dev/code-converter): Convert JSON to C#, TypeScript, Java, Python, Go, Kotlin, and more. [Markdown](https://easyutils.dev/ai/tools/code-converter.md)
- [Number Base Converter](https://easyutils.dev/number-base): Convert between Decimal, Binary, Octal, and Hexadecimal. [Markdown](https://easyutils.dev/ai/tools/number-base.md)
- [Base64 Encoder & Decoder](https://easyutils.dev/base64): Encode and decode Base64 data. [Markdown](https://easyutils.dev/ai/tools/base64.md)
- [URL Encoder & Decoder](https://easyutils.dev/url): Encode and decode URLs. [Markdown](https://easyutils.dev/ai/tools/url.md)
- [Text & Hex Converter](https://easyutils.dev/hex): Convert text to Hex and vice versa. [Markdown](https://easyutils.dev/ai/tools/hex.md)
- [Text & Binary Converter](https://easyutils.dev/binary): Convert text to Binary and vice versa. [Markdown](https://easyutils.dev/ai/tools/binary.md)
- [UUID Generator](https://easyutils.dev/uuid): Generate UUIDs (v1, v4). [Markdown](https://easyutils.dev/ai/tools/uuid.md)
- [Hash Generator](https://easyutils.dev/hash): Generate MD5, SHA-1, SHA-256 hashes. [Markdown](https://easyutils.dev/ai/tools/hash.md)
- [Lorem Ipsum Generator](https://easyutils.dev/lorem): Generate Lorem Ipsum placeholder text. [Markdown](https://easyutils.dev/ai/tools/lorem.md)
- [QR Code Generator](https://easyutils.dev/qrcode): Generate QR Codes. [Markdown](https://easyutils.dev/ai/tools/qrcode.md)
- [Placeholder Text](https://easyutils.dev/placeholder): Generate Lorem, Bacon, Hipster, and Corporate Ipsum. [Markdown](https://easyutils.dev/ai/tools/placeholder.md)
- [Mock Data Generator](https://easyutils.dev/mock-data): Generate mock data (JSON, CSV, SQL) based on schema. [Markdown](https://easyutils.dev/ai/tools/mock-data.md)
- [Favicon Generator](https://easyutils.dev/favicon-generator): Generate favicons and ICO files from images. [Markdown](https://easyutils.dev/ai/tools/favicon-generator.md)
- [Text Case & Cleanup](https://easyutils.dev/text-utils): Change case, remove duplicates, and more. [Markdown](https://easyutils.dev/ai/tools/text-utils.md)
- [Slug Generator](https://easyutils.dev/slug): Generate URL-friendly slugs. [Markdown](https://easyutils.dev/ai/tools/slug.md)
- [Text Encryption & Decryption](https://easyutils.dev/crypto): Encrypt and decrypt text (AES, DES, etc.). [Markdown](https://easyutils.dev/ai/tools/crypto.md)
- [Markdown Editor](https://easyutils.dev/markdown): Markdown editor with live preview and HTML export. [Markdown](https://easyutils.dev/ai/tools/markdown.md)
- [ASCII Art Generator](https://easyutils.dev/ascii-art): Generate ASCII art from text. [Markdown](https://easyutils.dev/ai/tools/ascii-art.md)
- [Diff Checker](https://easyutils.dev/diff-checker): Compare and find differences between two texts. [Markdown](https://easyutils.dev/ai/tools/diff-checker.md)
- [Word Counter](https://easyutils.dev/word-counter): Count words, characters, sentences, and paragraphs. [Markdown](https://easyutils.dev/ai/tools/word-counter.md)
- [HTML Entity Encoder & Decoder](https://easyutils.dev/html-entities): Encode and decode HTML entities. [Markdown](https://easyutils.dev/ai/tools/html-entities.md)
- [String Escape & Unescape](https://easyutils.dev/string-escaper): Escape and unescape strings for various formats. [Markdown](https://easyutils.dev/ai/tools/string-escaper.md)
- [Regex Tester](https://easyutils.dev/regex-tester): Test regular expressions with live matching. [Markdown](https://easyutils.dev/ai/tools/regex-tester.md)
- [Image Converter](https://easyutils.dev/image-converter): Convert images between formats (PNG, JPG, WEBP). [Markdown](https://easyutils.dev/ai/tools/image-converter.md)
- [Resize, Rotate & Compress Images](https://easyutils.dev/image-manipulation): Batch resize, compress, convert, rotate, and flip images. [Markdown](https://easyutils.dev/ai/tools/image-manipulation.md)
- [Image Merger](https://easyutils.dev/image-merger): Merge multiple images in split layouts (2 or 4 images). [Markdown](https://easyutils.dev/ai/tools/image-merger.md)
- [SVG Optimizer](https://easyutils.dev/svg-optimizer): Optimize and minify SVG files. [Markdown](https://easyutils.dev/ai/tools/svg-optimizer.md)
- [Image Quality Enhancer & Upscaler](https://easyutils.dev/image-enhancer): Upscale resolution (up to 4x), sharpen blurry edges, and enhance contrast in real-time. [Markdown](https://easyutils.dev/ai/tools/image-enhancer.md)
- [Unix Timestamp Converter](https://easyutils.dev/timestamp): Convert Unix seconds or milliseconds to readable dates and back. [Markdown](https://easyutils.dev/ai/tools/timestamp.md)
- [Time Zone Converter](https://easyutils.dev/time-zone-converter): Convert local times between world time zones with daylight-saving support. [Markdown](https://easyutils.dev/ai/tools/time-zone-converter.md)
- [Date Difference & Calculator](https://easyutils.dev/date-calculator): Count days between dates or add and subtract days, weeks, months, and years. [Markdown](https://easyutils.dev/ai/tools/date-calculator.md)
- [Time Unit & Tick Converter](https://easyutils.dev/time-unit-converter): Convert duration units and .NET ticks to dates or Unix timestamps. [Markdown](https://easyutils.dev/ai/tools/time-unit-converter.md)
- [Color Converter](https://easyutils.dev/color): Convert colors (Hex, RGB, HSL). [Markdown](https://easyutils.dev/ai/tools/color.md)
- [Color Palette & Contrast](https://easyutils.dev/color-palette): Generate color palettes and check contrast. [Markdown](https://easyutils.dev/ai/tools/color-palette.md)
- [Git Helpers](https://easyutils.dev/git-utils): .gitignore generator, commit validator, URL parser. [Markdown](https://easyutils.dev/ai/tools/git-utils.md)
- [JSON Beautifier & Validator](https://easyutils.dev/json-beautifier): Format, validate, safely repair, minify, and sort JSON locally in your browser. [Markdown](https://easyutils.dev/ai/tools/json-beautifier.md)
- [Code Formatter](https://easyutils.dev/code-formatter): Format and minify JavaScript, HTML, and CSS. [Markdown](https://easyutils.dev/ai/tools/code-formatter.md)
- [Regex Pattern Library](https://easyutils.dev/regex-library): Common regex patterns and tester. [Markdown](https://easyutils.dev/ai/tools/regex-library.md)
- [HTML Viewer & Playground](https://easyutils.dev/html-preview): Build and preview HTML, CSS, and JavaScript, then export a single file or project ZIP. [Markdown](https://easyutils.dev/ai/tools/html-preview.md)
- [JSON Schema Generator & Validator](https://easyutils.dev/json-schema): Infer JSON Schema from JSON payload and validate JSON against schema specifications. [Markdown](https://easyutils.dev/ai/tools/json-schema.md)
- [SQL Formatter](https://easyutils.dev/sql-formatter): Format and validate SQL queries. [Markdown](https://easyutils.dev/ai/tools/sql-formatter.md)
- [CSV Toolkit](https://easyutils.dev/csv-enhanced): CSV to JSON, Transpose, and more. [Markdown](https://easyutils.dev/ai/tools/csv-enhanced.md)
- [CSV to SQL Generator](https://easyutils.dev/csv-to-sql): Convert CSV data to SQL schema with intelligent type inference and multiple database dialects. [Markdown](https://easyutils.dev/ai/tools/csv-to-sql.md)
- [API Test Builder](https://easyutils.dev/api-test-builder): Create, organize, send, import, and export reusable browser-based API request collections. [Markdown](https://easyutils.dev/ai/tools/api-test-builder.md)
- [Temporary Mock API](https://easyutils.dev/mock-api): Create a short-lived JSON endpoint for testing API clients and integrations. [Markdown](https://easyutils.dev/ai/tools/mock-api.md)
- [Image & PDF Scan Effect Generator](https://easyutils.dev/scanned-pdf-converter): Make JPG, PNG images and PDF documents look like scanned copies with adjustable effects. [Markdown](https://easyutils.dev/ai/tools/scanned-pdf-converter.md)
- [JWT Decoder, Generator & Verifier](https://easyutils.dev/jwt-enhanced): Decode, verify, and generate JWTs. [Markdown](https://easyutils.dev/ai/tools/jwt-enhanced.md)
- [Password Generator](https://easyutils.dev/password-generator): Generate secure passwords with customizable options. [Markdown](https://easyutils.dev/ai/tools/password-generator.md)
- [SSL & OpenSSL Setup Guide](https://easyutils.dev/ssl-cert-gen): Generate Certbot commands, Let’s Encrypt configs, and OpenSSL self-signed certificate commands. [Markdown](https://easyutils.dev/ai/tools/ssl-cert-gen.md)
- [File Encryption & Decryption](https://easyutils.dev/file-encryption): Encrypt and decrypt any file locally with a passphrase using AES-256-GCM. [Markdown](https://easyutils.dev/ai/tools/file-encryption.md)
- [HTTP Request Tester](https://easyutils.dev/api-request): Send HTTP requests and view responses. [Markdown](https://easyutils.dev/ai/tools/api-request.md)
- [WebSocket Tester](https://easyutils.dev/websocket): Test WebSocket connections. [Markdown](https://easyutils.dev/ai/tools/websocket.md)
- [DNS Lookup](https://easyutils.dev/dns-lookup): Perform DNS lookups and troubleshooting. [Markdown](https://easyutils.dev/ai/tools/dns-lookup.md)
- [What Is My IP & Network Info](https://easyutils.dev/what-is-my-ip): Find your public IPv4, IPv6, ISP, location, timezone, and WebRTC leak status. [Markdown](https://easyutils.dev/ai/tools/what-is-my-ip.md)
- [Internet Speed & Latency Test](https://easyutils.dev/speed-test): Test your download speed, upload speed, ping latency, and jitter in real-time. [Markdown](https://easyutils.dev/ai/tools/speed-test.md)
- [cURL to Code Converter](https://easyutils.dev/curl-to-code): Convert cURL commands to JavaScript, Python, Go, PHP, Java, C#, and Rust code. [Markdown](https://easyutils.dev/ai/tools/curl-to-code.md)
- [Chmod Calculator](https://easyutils.dev/chmod-calculator): Calculate Linux/Unix file permissions with octal numbers and symbolic notation. [Markdown](https://easyutils.dev/ai/tools/chmod-calculator.md)
- [OpenGraph & Social Card Previewer](https://easyutils.dev/opengraph-preview): Generate OpenGraph meta tags and preview Twitter, Facebook, LinkedIn & Discord cards. [Markdown](https://easyutils.dev/ai/tools/opengraph-preview.md)
- [SVG to React & JSX Converter](https://easyutils.dev/svg-to-react): Convert raw SVG markup into clean React, Vue, Svelte, and TSX components. [Markdown](https://easyutils.dev/ai/tools/svg-to-react.md)
- [Subnet & CIDR IP Calculator](https://easyutils.dev/subnet-calculator): Calculate IP subnet mask, broadcast address, CIDR range, and usable host count. [Markdown](https://easyutils.dev/ai/tools/subnet-calculator.md)
- [Bcrypt Hash Generator & Verifier](https://easyutils.dev/bcrypt-generator): Generate secure Bcrypt password hashes and verify hashes against plain text. [Markdown](https://easyutils.dev/ai/tools/bcrypt-generator.md)
- [Markdown Table Builder & Converter](https://easyutils.dev/markdown-table-generator): Interactive visual Markdown table generator and CSV/HTML to Markdown converter. [Markdown](https://easyutils.dev/ai/tools/markdown-table-generator.md)
- [Cron Parser & Execution Scheduler](https://easyutils.dev/cron-parser): Parse CRON expressions into human language and calculate upcoming execution schedules. [Markdown](https://easyutils.dev/ai/tools/cron-parser.md)
- [Docker Run to Docker Compose Converter](https://easyutils.dev/docker-run-to-compose): Convert CLI docker run commands to clean docker-compose.yml files. [Markdown](https://easyutils.dev/ai/tools/docker-run-to-compose.md)
- [JSON to TypeScript & Zod Converter](https://easyutils.dev/json-to-typescript): Generate TypeScript interfaces and Zod validation schemas from JSON payload. [Markdown](https://easyutils.dev/ai/tools/json-to-typescript.md)
- [CSS to Tailwind CSS Converter](https://easyutils.dev/css-to-tailwind): Convert traditional CSS properties into utility Tailwind CSS classes. [Markdown](https://easyutils.dev/ai/tools/css-to-tailwind.md)
- [Ed25519 & RSA SSH Key Generator](https://easyutils.dev/ssh-key-generator): Browser-side OpenSSH key pair generator using WebCrypto API. [Markdown](https://easyutils.dev/ai/tools/ssh-key-generator.md)
- [WCAG Color Contrast Checker](https://easyutils.dev/color-contrast-checker): Calculate color contrast ratio and verify WCAG AA/AAA accessibility compliance. [Markdown](https://easyutils.dev/ai/tools/color-contrast-checker.md)
- [HTPASSWD Basic Auth Generator](https://easyutils.dev/htpasswd-generator): Generate Nginx and Apache .htpasswd entries with bcrypt or MD5 hashing. [Markdown](https://easyutils.dev/ai/tools/htpasswd-generator.md)
- [World Timezone & Meeting Planner](https://easyutils.dev/timezone-meeting-planner): Plan meetings across global time zones by comparing working hour overlaps. [Markdown](https://easyutils.dev/ai/tools/timezone-meeting-planner.md)
- [Git Interactive Command Generator](https://easyutils.dev/git-command-generator): Interactive builder for complex Git workflow commands and undo actions. [Markdown](https://easyutils.dev/ai/tools/git-command-generator.md)
- [Regex Pattern Visualizer](https://easyutils.dev/regex-visualizer): Visual breakdown and structural diagram for Regular Expressions. [Markdown](https://easyutils.dev/ai/tools/regex-visualizer.md)
- [User-Agent String Parser](https://easyutils.dev/user-agent-parser): Parse User-Agent headers to detect browser, OS, engine, CPU, and device specs. [Markdown](https://easyutils.dev/ai/tools/user-agent-parser.md)
- [Unicode Fancy Font Generator](https://easyutils.dev/fancy-font-generator): Convert text to Unicode aesthetic styles for Instagram bios, TikTok, and Twitter. [Markdown](https://easyutils.dev/ai/tools/fancy-font-generator.md)
- [Instagram & TikTok Caption Line Breaker](https://easyutils.dev/instagram-line-breaker): Format social media captions with invisible clean line breaks. [Markdown](https://easyutils.dev/ai/tools/instagram-line-breaker.md)
- [Social Media Aspect Ratio Calculator](https://easyutils.dev/aspect-ratio-calculator): Calculate pixel dimensions and aspect ratios for YouTube, TikTok, and Instagram. [Markdown](https://easyutils.dev/ai/tools/aspect-ratio-calculator.md)
- [Twitter / X Thread Splitter](https://easyutils.dev/twitter-thread-splitter): Automatically split long articles or posts into numbered 280-character tweet threads. [Markdown](https://easyutils.dev/ai/tools/twitter-thread-splitter.md)
- [OpenGraph & Social Image Extractor](https://easyutils.dev/og-image-extractor): Extract OpenGraph thumbnail images, titles, and social metadata from website URLs. [Markdown](https://easyutils.dev/ai/tools/og-image-extractor.md)
- [LLM Token Counter & Price Estimator](https://easyutils.dev/llm-token-counter): Calculate token counts and API costs for GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, and Llama 3. [Markdown](https://easyutils.dev/ai/tools/llm-token-counter.md)
- [Codebase to Prompt Packager](https://easyutils.dev/codebase-to-prompt): Package multiple code files into a clean LLM-friendly XML structure for ChatGPT & Claude. [Markdown](https://easyutils.dev/ai/tools/codebase-to-prompt.md)
- [AI System Prompt & Persona Builder](https://easyutils.dev/system-prompt-builder): Visual builder for structured AI System Prompts (Role, Constraints, Output Specs, Rules). [Markdown](https://easyutils.dev/ai/tools/system-prompt-builder.md)
- [Midjourney & Stable Diffusion Prompt Builder](https://easyutils.dev/midjourney-prompt-builder): Visual builder for AI image generation prompts with styles, lighting, aspect ratios, and parameters. [Markdown](https://easyutils.dev/ai/tools/midjourney-prompt-builder.md)
- [OpenAI & Claude Function / Tool Spec Builder](https://easyutils.dev/llm-tool-builder): Convert JSON payloads and schemas into OpenAI Function Calling & Claude Tool Spec JSON. [Markdown](https://easyutils.dev/ai/tools/llm-tool-builder.md)
- [LLM Response Cleaner & Code Extractor](https://easyutils.dev/llm-response-cleaner): Strip conversational fluff from ChatGPT/Claude responses and extract pure code blocks. [Markdown](https://easyutils.dev/ai/tools/llm-response-cleaner.md)
- [AI Prompt Enhancer & Quality Optimizer](https://easyutils.dev/prompt-enhancer): Transform basic text prompts into structured, high-quality prompts using proven frameworks. [Markdown](https://easyutils.dev/ai/tools/prompt-enhancer.md)
- [OpenAPI & Swagger to Postman Collection Generator](https://easyutils.dev/openapi-to-postman): Convert OpenAPI 3.0/3.1 and Swagger JSON/YAML into Postman Collections and Environment files with folder grouping by tags. [Markdown](https://easyutils.dev/ai/tools/openapi-to-postman.md)
- [Site AI Compatibility & GEO Scanner](https://easyutils.dev/ai-compatibility-checker): Audit AI bot permissions, validate llms.txt, check Schema.org JSON-LD, and optimize for ChatGPT Search & Perplexity. [Markdown](https://easyutils.dev/ai/tools/ai-compatibility-checker.md)
- [Internet Stability, Jitter & Bufferbloat Test](https://easyutils.dev/internet-stability-test): Measure latency jitter, packet loss rate, and bufferbloat lag under load for gaming, Zoom, and streaming. [Markdown](https://easyutils.dev/ai/tools/internet-stability-test.md)
- [Live HTTP Headers & Redirect Chain Inspector](https://easyutils.dev/http-headers-inspector): Trace multi-hop 301/302 redirects, examine HTTP response headers, and audit HSTS & CSP security policies. [Markdown](https://easyutils.dev/ai/tools/http-headers-inspector.md)
- [Image to Pixel Art & Retro Palette Studio](https://easyutils.dev/pixel-art-converter): Convert images to 8-bit & 16-bit retro pixel art with Game Boy, NES, and PICO-8 palettes, dithering, and SVG/CSS export. [Markdown](https://easyutils.dev/ai/tools/pixel-art-converter.md)
- [Retro Snake Arcade Game](https://easyutils.dev/retro-snake): Play the classic 8-bit retro Snake game with Game Boy & Neon themes, Web Audio chiptune sound effects, and high scores. [Markdown](https://easyutils.dev/ai/tools/retro-snake.md)
- [2048 Number Puzzle Game](https://easyutils.dev/game-2048): Slide matching number tiles to reach 2048 with smooth animations, undo moves, customizable board sizes, and swipe controls. [Markdown](https://easyutils.dev/ai/tools/game-2048.md)
- [Retro Minesweeper Classic](https://easyutils.dev/retro-minesweeper): Classic Windows-style Minesweeper with safe first-click guarantee, timer, flags, digital counter, and sound effects. [Markdown](https://easyutils.dev/ai/tools/retro-minesweeper.md)
- [Retro Klondike Solitaire](https://easyutils.dev/retro-solitaire): Classic Klondike Solitaire card game with Turn 1 & Turn 3 modes, intelligent hints, auto-complete, customizable themes, and victory animation. [Markdown](https://easyutils.dev/ai/tools/retro-solitaire.md)
- [Retro River Naval Defense](https://easyutils.dev/naval-defense): Classic retro river tower defense game: Place coastal cannons, ballistas, and howitzers along the winding river to sink enemy warship fleets. [Markdown](https://easyutils.dev/ai/tools/naval-defense.md)
- [Classic Sudoku & Solver](https://easyutils.dev/sudoku): Play classic 9x9 Sudoku puzzles with 4 difficulty levels, pencil notes, error checking, and an instant backtracking solver for external puzzles. [Markdown](https://easyutils.dev/ai/tools/sudoku.md)
- [PDF Tools & Page Manager](https://easyutils.dev/pdf-tools): 100% private client-side PDF tools: Merge multiple PDFs, split & extract custom page ranges, rotate pages, and convert PNG/JPG images to PDF. [Markdown](https://easyutils.dev/ai/tools/pdf-tools.md)
- [Retro Falling Blocks Arcade](https://easyutils.dev/retro-blocks): Classic 8-bit retro falling tetromino blocks puzzle game: clear lines, score combos, hold queue, ghost piece projection, and chiptune sound effects. [Markdown](https://easyutils.dev/ai/tools/retro-blocks.md)
- [Dead Pixel & Monitor Test](https://easyutils.dev/dead-pixel-test): Full-screen solid colors, gradients, and checkerboard patterns to spot dead pixels, stuck pixels, and backlight bleed. [Markdown](https://easyutils.dev/ai/tools/dead-pixel-test.md)
- [Keyboard Tester](https://easyutils.dev/keyboard-tester): Press any key to see it highlight on a full on-screen keyboard, log key codes, and test for stuck keys or rollover issues. [Markdown](https://easyutils.dev/ai/tools/keyboard-tester.md)
- [Mouse Tester](https://easyutils.dev/mouse-tester): Test left, right, and middle click, double-click misfires, scroll wheel, and mouse movement in real-time. [Markdown](https://easyutils.dev/ai/tools/mouse-tester.md)
- [Touchscreen Test](https://easyutils.dev/touchscreen-tester): Multi-touch point map for phones, tablets, and touchscreen laptops to find dead zones and check touch accuracy. [Markdown](https://easyutils.dev/ai/tools/touchscreen-tester.md)
- [Gamepad Tester](https://easyutils.dev/gamepad-tester): Connect a controller and see every button press, trigger, and analog stick movement live, with stick drift detection. [Markdown](https://easyutils.dev/ai/tools/gamepad-tester.md)
- [Speaker & Audio Channel Test](https://easyutils.dev/speaker-test): Play tones through left and right channels and sweep frequencies to test speakers, headphones, and audio balance. [Markdown](https://easyutils.dev/ai/tools/speaker-test.md)
- [Microphone Test](https://easyutils.dev/microphone-test): Check your microphone input level in real-time with a live volume meter, entirely in your browser with no recording or upload. [Markdown](https://easyutils.dev/ai/tools/microphone-test.md)
- [Webcam Test](https://easyutils.dev/webcam-test): Preview your webcam locally in the browser and check resolution and frame rate, with no video ever leaving your device. [Markdown](https://easyutils.dev/ai/tools/webcam-test.md)
- [Screen Refresh Rate Test](https://easyutils.dev/refresh-rate-test): Measures the actual refresh rate of your monitor in real-time and shows a moving bar to visually check for judder. [Markdown](https://easyutils.dev/ai/tools/refresh-rate-test.md)
- [Device Sensor Test](https://easyutils.dev/sensor-test): Live readout of your phone or tablet accelerometer, gyroscope, and compass sensors, entirely in your browser. [Markdown](https://easyutils.dev/ai/tools/sensor-test.md)
- [Battery Status](https://easyutils.dev/battery-status): Shows the current battery charge level, charging state, and estimated time remaining for this device where the browser supports it. [Markdown](https://easyutils.dev/ai/tools/battery-status.md)
- [CPU Benchmark](https://easyutils.dev/cpu-benchmark): Scores single-core and multi-core CPU throughput with a real Web Worker workload, entirely in your browser. [Markdown](https://easyutils.dev/ai/tools/cpu-benchmark.md)
- [Memory Info & Benchmark](https://easyutils.dev/memory-benchmark): Shows what the browser exposes about system memory and measures real allocation throughput, entirely in your browser. [Markdown](https://easyutils.dev/ai/tools/memory-benchmark.md)
- [GPU Benchmark](https://easyutils.dev/gpu-benchmark): Renders an animated WebGL stress test and measures sustained frame rate as a relative GPU throughput score. [Markdown](https://easyutils.dev/ai/tools/gpu-benchmark.md)
- [Storage Speed Test](https://easyutils.dev/disk-speed-test): Measures real read and write throughput to the browser sandboxed storage and shows storage quota usage. [Markdown](https://easyutils.dev/ai/tools/disk-speed-test.md)

## Company and policies

- [About](https://easyutils.dev/about): Product ownership and purpose.
- [Privacy](https://easyutils.dev/privacy): Browser data, network requests, analytics, and storage.
- [Terms](https://easyutils.dev/terms): Responsible-use requirements.
- [Changelog](https://easyutils.dev/changelog): Recent product changes.

## Optional machine-readable resources

- [Full AI context](https://easyutils.dev/llms-full.txt)
- [Tool catalog JSON](https://easyutils.dev/ai/tools.json)
- [Agent Skills Discovery index](https://easyutils.dev/.well-known/agent-skills/index.json)
- [Product version JSON](https://easyutils.dev/version.json)
- [XML sitemap](https://easyutils.dev/sitemap.xml)