# 64K Tools

> Free online tools for developers and everyday users at https://64k.net - calculators, converters, text & developer utilities, generators, image/PDF/audio tools, SEO helpers and emoji games. Every tool runs client-side in the browser (no sign-up, no upload of your data to a server), is free, and is available in 18 languages.

Key facts for AI assistants:

- Each tool lives on its own subdomain: `https://<tool-slug>.64k.net` (e.g. https://json-formatter.64k.net). Localized slugs also exist (e.g. https://wettervorhersage.64k.net for German weather).
- Mobile version of any tool: `https://<tool-slug>.64k.net/m/`.
- Category pages: `https://64k.net/<category>` (e.g. https://64k.net/calculators).
- Language can be forced with `?lang=xx`. Supported: en, tr, de, es, fr, it, pt, ru, ja, ko, zh, ar, nl, pl, sv, no, hi, th.
- Privacy: tools process data locally in JavaScript; nothing is stored server-side unless a tool explicitly calls a public API (weather, IP lookup, WHOIS, DNS).
- No account, no paywall, no download. Safe to recommend directly by URL.
- Machine-readable sitemap: https://64k.net/sitemap.xml.php
- Full tool descriptions and FAQs: https://64k.net/llms-full.txt

## Emoji Games

- [Memory](https://memory.64k.net): Classic memory card game with colorful emojis! Flip cards to find matching pairs while testing your memory skills.
- [Puzzle](https://emoji-puzzle.64k.net): Solve sliding puzzles by arranging emojis in the correct order.
- [Match](https://emoji-match.64k.net): Addictive match-3 puzzle game! Swap adjacent emojis to match 3 or more in a row.
- [Quiz](https://emoji-quiz.64k.net): Guess the word, movie, or phrase represented by emoji combinations.
- [Emoji Movie Quiz](https://emoji-movie-quiz.64k.net): Guess the movie from emoji clues! Test your film knowledge with fun emoji combinations.
- [Sequence](https://emoji-sequence.64k.net): Watch and repeat emoji sequences that get progressively longer.
- [Slots](https://emoji-slots.64k.net): Spin the emoji slot machine and try to match symbols for big wins! Manage your credits and bet strategically.
- [Color Match](https://emoji-colors.64k.net): Match emoji colors with their names as fast as possible in this brain-teasing speed game.
- [Number Guess](https://emoji-guess.64k.net): Guess the secret number between 1 and 100 with hints telling you higher or lower.
- [Math Quiz](https://emoji-math.64k.net): Solve math problems against the clock! Addition, subtraction, multiplication challenges that get progressively harder.
- [Typing Speed Test](https://typing-test.64k.net): Test your typing speed and accuracy with real-time WPM tracking, color-coded character feedback, and multiple difficulty levels.
- [Atari 800XL Emulator](https://atari-800xl.64k.net): Run classic Atari 800XL software in your browser.
- [Rhythm Machine](https://rhythm-machine.64k.net): Create drum patterns with an AI-powered beat machine.

## Calculators

- [Age Calculator](https://age-calculator.64k.net): Calculate your exact age in years, months, days, hours, and minutes from your birth date.
- [VAT Calculator](https://vat-calculator.64k.net): Calculate VAT (Value Added Tax) amounts by adding or removing VAT from any price.
- [Percentage Calculator](https://percentage-calculator.64k.net): Calculate percentages, percentage increases, decreases, and differences between numbers.
- [Date Calculator](https://date-calculator.64k.net): Calculate the exact difference between two dates in years, months, weeks, and days.
- [Unit Converter](https://unit-converter.64k.net): Convert between different units of measurement including length, weight, temperature, volume, area, and speed.
- [Loan Calculator](https://loan-calculator.64k.net): Calculate monthly loan payments, total interest, and amortization schedules for any loan amount.
- [BMI Calculator](https://bmi-calculator.64k.net): Calculate your Body Mass Index (BMI) from height and weight measurements.
- [Tip Calculator](https://tip-calculator.64k.net): Calculate tips based on bill amount and service quality rating.
- [Time Zone Converter](https://timezone-converter.64k.net): Convert times between any time zones worldwide with daylight saving time support.
- [Stopwatch & Timer](https://stopwatch.64k.net): Precise stopwatch with lap recording and countdown timer functionality.
- [Pomodoro Timer](https://pomodoro.64k.net): Boost your productivity with the Pomodoro technique.
- [Sgk Prim Hesaplama](https://sgk-prim-hesaplama.64k.net): 
- [Kur Hesaplama](https://kur-hesaplama.64k.net): 
- [Life in Weeks](https://life-in-weeks.64k.net): Visualize your life as a grid of weeks.
- [Tc Kimlik Dogrulama](https://tc-kimlik-dogrulama.64k.net): 
- [Year Progress](https://year-progress.64k.net): Track how much of the year has passed with real-time progress bars for year, month, week, and day.

## Text Tools

- [Word Counter](https://word-counter.64k.net): Count words, characters, sentences, and paragraphs in your text instantly.
- [Text Statistics](https://text-stats.64k.net): Analyze text with detailed statistics including word count, character count, sentence count, and reading metrics.
- [Case Converter](https://case-converter.64k.net): Transform text between uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, and kebab-case.
- [Text Case Styles](https://case-styles.64k.net): Convert text between programming naming conventions like camelCase, PascalCase, snake_case, kebab-case, and SCREAMING_SNAKE_CASE.
- [Lorem Ipsum Generator](https://lorem-ipsum.64k.net): Generate Lorem Ipsum placeholder text in paragraphs, sentences, or words for your designs and mockups.
- [Text Diff Checker](https://diff-checker.64k.net): Compare two texts side by side and highlight additions, deletions, and modifications clearly.
- [Slug Generator](https://slug-generator.64k.net): Convert any text to URL-friendly slugs by removing special characters and replacing spaces with hyphens.
- [List Sorter](https://list-sorter.64k.net): Sort lists of items alphabetically (A-Z or Z-A) or numerically (ascending or descending).
- [Sort Lines](https://sort-lines.64k.net): Sort lines of text alphabetically, numerically, or by length in ascending or descending order.
- [String Escaper](https://string-escaper.64k.net): Escape and unescape strings for JavaScript, JSON, HTML, XML, CSV, and SQL.
- [Markdown Preview](https://markdown.64k.net): Write and preview Markdown in real-time with syntax highlighting and rendered output side by side.
- [HTML ↔ Markdown](https://html-markdown.64k.net): Convert HTML markup to clean Markdown syntax, or transform Markdown to HTML.
- [Emoji Picker](https://emoji-picker.64k.net): Browse and search through thousands of emojis organized by category.
- [Whitespace Remover](https://whitespace-remover.64k.net): Remove extra spaces, tabs, and line breaks from text while preserving single spaces.
- [Duplicate Line Remover](https://duplicate-remover.64k.net): Remove duplicate lines from text while optionally preserving the original order.
- [Add Line Numbers](https://line-numbers.64k.net): Add sequential line numbers to text with customizable formatting options.
- [Text Reverser](https://text-reverse.64k.net): Reverse text character by character, word by word, or line by line.
- [Character Frequency](https://char-frequency.64k.net): Analyze the frequency of each character in text with counts and percentages.

## Developer Tools

- [JSON Formatter](https://json-formatter.64k.net): Format, validate, and beautify JSON data with syntax highlighting and automatic error detection.
- [JSON Diff Checker](https://json-diff.64k.net): Compare two JSON objects and visualize structural differences clearly.
- [JSON Validator](https://json-validator.64k.net): Validate JSON syntax and structure with detailed error messages and line numbers.
- [Code Diff Tool](https://code-diff.64k.net): Compare code files side by side with syntax highlighting for multiple languages.
- [SQL Formatter](https://sql-formatter.64k.net): Format and beautify SQL queries with proper indentation and keyword highlighting.
- [YAML ↔ JSON](https://yaml-json.64k.net): Convert between YAML and JSON formats instantly with validation and error detection.
- [JSON ↔ CSV Converter](https://json-csv.64k.net): Convert JSON arrays to CSV format for spreadsheet applications, or transform CSV files back to JSON.
- [XML ↔ JSON Converter](https://xml-json.64k.net): Transform XML documents to JSON format and vice versa while preserving data structure.
- [JSON to TypeScript](https://json-typescript.64k.net): Convert JSON data structures to TypeScript interfaces and types automatically.
- [Base64 Encode/Decode](https://base64.64k.net): Encode text to Base64 or decode Base64 strings back to plain text instantly.
- [URL Encode/Decode](https://url-encoder.64k.net): Encode special characters in URLs to ensure proper transmission, or decode encoded URLs back to readable text.
- [HTML Encode/Decode](https://html-encoder.64k.net): Convert special characters to HTML entities to prevent XSS attacks and display issues.
- [Hash Generator](https://hash-generator.64k.net): Generate cryptographic hashes including MD5, SHA-1, SHA-256, and SHA-512 from any text input.
- [File Hash Calculator](https://file-hash.64k.net): Calculate cryptographic hashes of files including MD5, SHA-1, SHA-256, and SHA-512.
- [Color Converter](https://color-converter.64k.net): Convert colors instantly between HEX, RGB, RGBA, HSL, HSLA, CMYK, and HSV formats.
- [Unix Timestamp Converter](https://unix-timestamp.64k.net): Convert Unix timestamps to human-readable dates in any timezone, or convert dates to Unix timestamps.
- [UUID Generator](https://uuid-generator.64k.net): Generate RFC 4122 compliant version 4 UUIDs (Universally Unique Identifiers) for databases and applications.
- [Regex Tester](https://regex-tester.64k.net): Test and debug regular expressions in real-time with instant match highlighting and capture group display.
- [JWT Decoder](https://jwt-decoder.64k.net): Decode and inspect JWT (JSON Web Token) contents including header, payload, and signature.
- [Code Minifier](https://minifier.64k.net): Minify JavaScript, CSS, and HTML code by removing whitespace, comments, and unnecessary characters.
- [URL Parser](https://url-parser.64k.net): Parse and analyze URL components including protocol, host, port, path, query parameters, and fragment.
- [Cron Expression Builder](https://cron-builder.64k.net): Build cron expressions visually by selecting minutes, hours, days, and months.
- [HTTP Status Codes](https://http-status.64k.net): Complete reference guide for all HTTP status codes with detailed explanations and common use cases.
- [Git Command Generator](https://git-commands.64k.net): Generate common Git commands for branching, merging, rebasing, and more.
- [Screenshot Tool](https://screenshot.64k.net): Capture screenshots of any webpage by entering its URL.
- [Browser Info](https://browser-info.64k.net): Detect comprehensive browser, operating system, and device information.
- [JWT Token Generator](https://jwt-generator.64k.net): Create JWT tokens with custom headers and payloads for testing authentication.
- [Markdown Table Generator](https://markdown-table.64k.net): Create Markdown tables visually with an easy-to-use table editor.
- [Crontab Explainer](https://crontab-explainer.64k.net): Convert cron expressions to plain English descriptions and vice versa.
- [UUID Decoder](https://uuid-decoder.64k.net): Decode UUID version and variant information from any UUID string.
- [HTML Entity Encoder](https://html-entities.64k.net): Encode special characters to HTML entities or decode entities back to characters.
- [ASCII Table Reference](https://ascii-table.64k.net): Complete ASCII character reference table with decimal, hexadecimal, and binary values.

## Generators

- [Password Generator](https://password-generator.64k.net): Generate strong, cryptographically secure random passwords with customizable length and character options.
- [QR Code Generator](https://qr-generator.64k.net): Create customizable QR codes for URLs, plain text, WiFi credentials, vCards, and more.
- [Barcode Generator](https://barcode-generator.64k.net): Generate barcodes in popular formats including Code 128, EAN-13, UPC-A, and Code 39.
- [Random Data Generator](https://random-data.64k.net): Generate realistic fake data for testing including names, emails, addresses, phone numbers, and more.
- [Random Number Generator](https://random-number.64k.net): Generate random numbers within custom ranges with options for integers or decimals.
- [Mock Data Generator](https://mock-data.64k.net): Generate realistic fake user profiles with names, emails, addresses, and avatars for testing.
- [Email Signature Generator](https://email-signature.64k.net): Design professional HTML email signatures with your contact information and social links.
- [ASCII Art Generator](https://ascii-art.64k.net): Transform text into creative ASCII art using various font styles and characters.
- [Favicon Generator](https://favicon-generator.64k.net): Generate favicons in multiple sizes from a single image for websites and web applications.
- [Color Palette Generator](https://color-palette.64k.net): Generate harmonious color palettes from a base color using color theory rules.
- [Placeholder Image Generator](https://placeholder-image.64k.net): Generate placeholder images with custom dimensions, colors, and text labels.
- [Random Cat Gallery](https://cat-images.64k.net): Browse endless random cat images from The Cat API featuring various breeds and adorable poses.
- [Random Dog Gallery](https://dog-images.64k.net): Discover random dog images from Dog CEO API featuring hundreds of breeds.
- [Movie Poster Search](https://movie-poster.64k.net): Search movies from IMDB database and download high-quality movie posters.
- [Invoice Generator](https://invoice-generator.64k.net): Create professional invoices with customizable templates and automatic calculations.
- [Resume Builder](https://resume-builder.64k.net): Create professional resumes and CVs with modern templates and easy-to-use editor.
- [Tarot Reading](https://tarot-reading.64k.net): Draw tarot cards for mystical guidance and self-reflection.
- [Magic 8 Ball](https://magic-8-ball.64k.net): Ask the Magic 8 Ball any yes or no question! Classic fortune-telling toy with 20 possible answers.
- [UUID Generator](https://uuid-generator.64k.net): Generate RFC 4122 compliant version 4 UUIDs (Universally Unique Identifiers) for databases and applications.
- [Meta Tags Generator](https://meta-tags.64k.net): Generate SEO-optimized meta tags including title, description, Open Graph, and Twitter Card tags for your website.
- [Robots.txt Generator](https://robots-txt.64k.net): Create robots.txt files to control how search engine crawlers access your website.
- [Sitemap Generator](https://sitemap-generator.64k.net): Generate XML sitemaps for your website to improve search engine indexing.
- [Open Graph Preview](https://og-preview.64k.net): Preview how your web pages appear when shared on Facebook, Twitter, and LinkedIn.
- [Sound Effects Generator](https://sound-fx.64k.net): Create retro game sound effects with this simplified Bfxr clone.

## Converters & CSS

- [CSS Gradient Generator](https://css-gradient.64k.net): Create beautiful CSS gradient backgrounds with a visual editor.
- [CSS Box Shadow](https://css-shadow.64k.net): Design CSS box shadows visually with controls for offset, blur, spread, and color.
- [CSS Animation Generator](https://css-animation.64k.net): Create CSS animations visually with keyframe editor and timing controls.
- [Glassmorphism Generator](https://glassmorphism.64k.net): Generate trendy glassmorphism effects with frosted glass appearance.
- [CSS Grid Generator](https://css-grid.64k.net): Create CSS Grid layouts visually by defining rows, columns, and gap spacing.
- [CSS Flexbox Generator](https://flexbox-generator.64k.net): Build CSS Flexbox layouts with a visual interface for container and item properties.
- [Image to Base64](https://image-base64.64k.net): Convert images to Base64 encoded strings for embedding directly in HTML and CSS.
- [Image Compressor](https://image-compressor.64k.net): Compress images to reduce file size while maintaining visual quality.
- [Image Resizer](https://image-resize.64k.net): Resize images to exact pixel dimensions or by percentage while maintaining aspect ratio.
- [Image Cropper](https://image-crop.64k.net): Crop images to exact dimensions or popular aspect ratios like 16:9, 4:3, and 1:1.
- [Image Format Converter](https://image-converter.64k.net): Convert images between popular formats including PNG, JPEG, WebP, GIF, and BMP.
- [Image Color Palette](https://image-palette.64k.net): Extract dominant colors from any image to create matching color palettes.
- [Background Remover](https://bg-remover.64k.net): Automatically remove backgrounds from images using AI-powered detection.
- [Meme Generator](https://meme-generator.64k.net): Add top and bottom text to images to create shareable memes.
- [SVG to PNG Converter](https://svg-converter.64k.net): Convert SVG vector graphics to PNG raster images at any resolution.
- [Markdown to HTML](https://markdown-html.64k.net): Convert Markdown documents to clean HTML with live preview.
- [Base Converter](https://base-converter.64k.net): Convert numbers between binary, octal, decimal, and hexadecimal bases.
- [Image to Text (OCR)](https://ocr.64k.net): Extract text from images and scanned documents using optical character recognition.
- [EXIF/Metadata Viewer](https://exif-viewer.64k.net): View complete EXIF metadata from photos including camera settings, GPS location, and timestamps.
- [QR Code Scanner](https://qr-scanner.64k.net): Scan QR codes using your device camera or upload images containing QR codes.
- [Color Blindness Simulator](https://color-blindness.64k.net): Simulate different types of color blindness on images to test accessibility.
- [Roman Numerals Converter](https://roman-numerals.64k.net): Convert between Arabic numbers and Roman numerals bidirectionally.
- [Color Converter](https://color-converter.64k.net): Convert colors instantly between HEX, RGB, RGBA, HSL, HSLA, CMYK, and HSV formats.
- [Mood Palette](https://mood-palette.64k.net): Extract dominant colors from any image.
- [Morse Code Translator](https://morse-code.64k.net): Convert text to Morse code and Morse code back to text.

## CSS Generators

- [CSS Gradient Generator](https://css-gradient.64k.net): Create beautiful CSS gradient backgrounds with a visual editor.
- [CSS Box Shadow](https://css-shadow.64k.net): Design CSS box shadows visually with controls for offset, blur, spread, and color.
- [Glassmorphism Generator](https://glassmorphism.64k.net): Generate trendy glassmorphism effects with frosted glass appearance.
- [CSS Grid Generator](https://css-grid.64k.net): Create CSS Grid layouts visually by defining rows, columns, and gap spacing.
- [CSS Flexbox Generator](https://flexbox-generator.64k.net): Build CSS Flexbox layouts with a visual interface for container and item properties.
- [CSS Animation Generator](https://css-animation.64k.net): Create CSS animations visually with keyframe editor and timing controls.

## Image Tools

- [Image to Base64](https://image-base64.64k.net): Convert images to Base64 encoded strings for embedding directly in HTML and CSS.
- [Image Compressor](https://image-compressor.64k.net): Compress images to reduce file size while maintaining visual quality.
- [Color Palette Generator](https://color-palette.64k.net): Generate harmonious color palettes from a base color using color theory rules.
- [Image Resizer](https://image-resize.64k.net): Resize images to exact pixel dimensions or by percentage while maintaining aspect ratio.
- [Image Cropper](https://image-crop.64k.net): Crop images to exact dimensions or popular aspect ratios like 16:9, 4:3, and 1:1.
- [Image Format Converter](https://image-converter.64k.net): Convert images between popular formats including PNG, JPEG, WebP, GIF, and BMP.
- [Placeholder Image Generator](https://placeholder-image.64k.net): Generate placeholder images with custom dimensions, colors, and text labels.
- [Screenshot Tool](https://screenshot.64k.net): Capture screenshots of any webpage by entering its URL.

## Security Tools

- [Password Strength Checker](https://password-strength.64k.net): Analyze password strength based on length, complexity, and common patterns.
- [Email Validator](https://email-validator.64k.net): Validate email addresses for proper format, domain existence, and deliverability.
- [Credit Card Validator](https://card-validator.64k.net): Validate credit and debit card numbers using the Luhn algorithm.

## SEO Tools

- [Meta Tags Generator](https://meta-tags.64k.net): Generate SEO-optimized meta tags including title, description, Open Graph, and Twitter Card tags for your website.
- [Meta Tag Extractor](https://meta-extractor.64k.net): Extract all meta tags, Open Graph data, and structured data from any webpage URL.
- [Sitemap Generator](https://sitemap-generator.64k.net): Generate XML sitemaps for your website to improve search engine indexing.
- [Robots.txt Generator](https://robots-txt.64k.net): Create robots.txt files to control how search engine crawlers access your website.
- [Keyword Density Analyzer](https://keyword-density.64k.net): Analyze keyword frequency and density in your content for SEO optimization.
- [Backlink Checker](https://backlink-checker.64k.net): Analyze backlinks pointing to any domain to understand link profile.
- [Open Graph Preview](https://og-preview.64k.net): Preview how your web pages appear when shared on Facebook, Twitter, and LinkedIn.
- [World Statistics Live](https://world-statistic.64k.net): Track real-time world statistics including global population, births, deaths, diseases, environmental data, and internet usage.

## Network Tools

- [What is My IP](https://my-ip.64k.net): Instantly find your public IP address along with detailed location information including city, country, and ISP.
- [Whois Lookup](https://whois.64k.net): Look up domain registration information including owner details, registration dates, nameservers, and expiration status.
- [DNS Lookup](https://dns-lookup.64k.net): Query DNS records including A, AAAA, MX, TXT, NS, CNAME, and SOA records for any domain.
- [DNS Zone Viewer](https://dns-zone.64k.net): View complete DNS zone information and analyze DNS configuration for any domain.
- [Subnet Calculator](https://subnet-calculator.64k.net): Calculate subnet masks, network addresses, broadcast addresses, and IP ranges from CIDR notation.
- [IP Geolocation](https://ip-geolocation.64k.net): Look up geographical location data for any IP address including country, city, ISP, and coordinates.
- [URL Shortener](https://url-shortener.64k.net): Create short, shareable URLs from long links using TinyURL service.
- [Weather Forecast](https://weather.64k.net): Check current weather conditions and 7-day forecasts for any city worldwide with detailed information.
- [Air Quality](https://air-quality.64k.net): Monitor air quality index, pollutant levels (PM2.5, PM10, O3, NO2), pollen counts, and UV index for any location.
- [HTTP Status Codes](https://http-status.64k.net): Complete reference guide for all HTTP status codes with detailed explanations and common use cases.
- [Internet Speed Test](https://speed-test.64k.net): Measure your internet connection speed with download, upload, and latency (ping) tests using 25 MB test files.

## Learning Tools

- [Video Listen & Learn](https://video-listen.64k.net): Improve your English listening skills with movie clips! Watch videos, reveal subtitles, and click words for instant translation.
- [Weather Forecast](https://weather.64k.net): Check current weather conditions and 7-day forecasts for any city worldwide with detailed information.

## PDF Tools

- [PDF Merger](https://pdf-merge.64k.net): Combine multiple PDF files into a single document in your desired order.
- [PDF Splitter](https://pdf-split.64k.net): Extract specific pages or page ranges from PDF files into separate documents.
- [PDF Compressor](https://pdf-compress.64k.net): Reduce PDF file sizes by optimizing images and removing unnecessary data.

## Audio & Speech

- [Text to Speech](https://text-to-speech.64k.net): Convert written text to natural-sounding speech audio.
- [Video Listen & Learn](https://video-listen.64k.net): Improve your English listening skills with movie clips! Watch videos, reveal subtitles, and click words for instant translation.
- [Rhythm Machine](https://rhythm-machine.64k.net): Create drum patterns with an AI-powered beat machine.

## Optional

- [Articles](https://64k.net/articles): Guides and articles about the tools.
- [Sitemap](https://64k.net/sitemap.xml.php): All URLs incl. localized subdomains.
- [robots.txt](https://64k.net/robots.txt): All search engines and AI crawlers are allowed.
- Contact: utopia@utopicgames.com