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Explore 178 free tools

Every CraftSprint tool, grouped by category. All of them run in your browser with no signup.

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178 tools

Image CompressorCompress JPG, PNG and WebP images without uploading them to a server.Open tool Image ConverterConvert images between JPG, PNG and WebP directly in your browser.Open tool Image ResizerResize images to exact pixels while keeping quality under control.Open tool QR Code GeneratorTurn any link or text into a downloadable QR code instantly.Open tool QR Code ScannerDecode a QR code from a photo or screenshot on your device.Open tool Color ConverterConvert colors between HEX, RGB and HSL and preview the swatch.Open tool Color Palette GeneratorGenerate complementary, analogous and triadic palettes from a color.Open tool CSS Gradient GeneratorDesign linear and radial gradients and copy ready-to-use CSS code.Open tool Box Shadow GeneratorFine-tune offset, blur and color with live preview, then copy the CSS.Open tool Color Palette ExtractorUpload an image and pull out its dominant colors as HEX codes.Open tool Border Radius PreviewerAdjust each corner independently and copy the CSS border-radius.Open tool SVG Pattern GeneratorCreate tiling dots, stripes, grid or cross-hatch background patterns.Open tool Image to Base64Convert an image into a Base64 data URI to embed in HTML or CSS.Open tool Placeholder Image GeneratorGenerate a solid-color placeholder image at any size for mockups.Open tool Barcode GeneratorGenerate a scannable CODE128, EAN-13, EAN-8 or UPC barcode.Open tool Favicon GeneratorTurn an image into a full set of favicon sizes, packaged as a ZIP.Open tool Image Cropper & RotatorCrop to any area and rotate an image, then download the result.Open tool SVG to PNG ConverterConvert an SVG file into a downloadable PNG image.Open tool PNG to SVG WrapperWrap a raster image inside an SVG container for use where SVG is required.Open tool Device Mockup GeneratorPreview your screenshot inside a simple phone or laptop frame.Open tool Font Pairing FinderPreview heading and body Google Font combinations side by side.Open tool CSS Keyframe Animation GeneratorBuild a @keyframes animation visually and copy the CSS.Open tool SVG Animation PreviewerPaste SVG markup and preview a CSS animation applied to it.Open tool Background RemoverRemove a plain or near-solid background and export a transparent PNG.Open tool Digital Signature CreatorDraw your signature and download it as a transparent PNG.Open tool Text Diff CheckerCompare two texts and see exactly what was added or removed.Open tool Markdown PreviewerWrite Markdown and see a live rendered preview side by side.Open tool Markdown to HTMLConvert Markdown source into raw HTML markup to copy anywhere.Open tool HTML to MarkdownConvert HTML markup into clean Markdown source.Open tool Resume / CV BuilderFill in your details and print a clean resume as a PDF.Open tool Invoice GeneratorCreate a simple invoice with line items, then print or save as PDF.Open tool Receipt MakerCreate a simple sales receipt and print or save it as a PDF.Open tool Image to PDF ConverterCombine one or more images into a single downloadable PDF.Open tool PDF to Image ConverterConvert each page of a PDF into a downloadable PNG image.Open tool PDF Merge ToolCombine multiple PDF files into one document, in your browser.Open tool PDF Split ToolSplit a PDF into individual single-page PDF files.Open tool Text to PDF ConverterType or paste text and generate a downloadable PDF document.Open tool PDF Text ExtractorExtract the plain text content from a PDF file.Open tool PDF Password ProtectorAdd a password to a PDF so it can only be opened with it.Open tool PDF Password UnlockerRemove a known password from a protected PDF.Open tool PDF CompressorShrink a PDF by re-rendering pages at a lower image quality.Open tool Password GeneratorCreate strong, random passwords with custom length and character rules.Open tool Password Strength CheckerCheck a password's strength and get tips to make it stronger.Open tool JSON FormatterValidate, format and minify JSON with clear error messages.Open tool JSON to TypeScriptPaste JSON and generate matching TypeScript interfaces.Open tool JSON to CSV ConverterConvert a JSON array of objects into a downloadable CSV table.Open tool CSV to JSON ConverterPaste CSV data with a header row and convert it into clean JSON.Open tool Base64 Encoder/DecoderEncode text to Base64 or decode Base64 back to plain text.Open tool URL Encoder/DecoderEncode text for safe use in a URL, or decode a URL-encoded string.Open tool JWT DecoderPaste a JSON Web Token to instantly decode its header and payload.Open tool Regex TesterTest regular expressions against sample text and see every match.Open tool UUID GeneratorGenerate random UUID v4 identifiers for code, databases and testing.Open tool Hash GeneratorGenerate SHA-1, SHA-256, SHA-384 or SHA-512 hashes from text.Open tool Timestamp ConverterConvert between Unix timestamps and human-readable dates.Open tool Cron Expression ParserTurn a cron schedule into a plain-English description.Open tool AI Token CounterEstimate how many tokens a prompt will use before calling an AI API.Open tool Meta Tag GeneratorGenerate title, description, Open Graph and Twitter Card tags.Open tool Robots.txt GeneratorGenerate a robots.txt file that controls what search engines crawl.Open tool Sitemap GeneratorPaste a list of URLs and generate a valid sitemap.xml file.Open tool CSS Grid GeneratorVisually configure columns, rows and gap for a CSS Grid layout.Open tool CSS Flexbox GeneratorVisually configure direction, justify-content and gap for Flexbox.Open tool Tailwind Config GeneratorGenerate a tailwind.config.js snippet from your brand colors and fonts.Open tool HTML MinifierStrip comments and extra whitespace from HTML markup.Open tool CSS MinifierStrip comments and extra whitespace from CSS.Open tool JavaScript MinifierStrip comments and extra whitespace from JavaScript source.Open tool SQL Query BuilderVisually build a SELECT statement with columns, filters and sorting.Open tool API Testing ToolSend a REST request and inspect the status, headers and response body.Open tool JavaScript ObfuscatorTransform readable JavaScript into a hard-to-read but working version.Open tool Line Break RemoverRemove unwanted line breaks from text copied out of PDFs, emails or websites.Open tool Text CleanerRemove extra spaces, blank lines and messy formatting from text.Open tool Case ConverterSwitch text between UPPERCASE, lowercase, Title Case and more.Open tool Word CounterCount words, characters, sentences and estimate reading time.Open tool Lorem Ipsum GeneratorGenerate placeholder paragraphs, sentences or words for mockups.Open tool Readability CheckerCheck reading-ease score and grade level for any block of text.Open tool SEO Meta PreviewPreview your title and meta description as a Google search result.Open tool Slug GeneratorTurn a title into a clean, SEO-friendly URL slug instantly.Open tool UTM Link BuilderBuild trackable campaign links for ads, email and social posts.Open tool Hashtag GeneratorTurn keywords into clean, deduplicated hashtags for social posts.Open tool Keyword Density CheckerSee how often a keyword appears and what percentage it makes up.Open tool Headline AnalyzerScore your headline against common copywriting best practices.Open tool Email Subject Line TesterCheck length, spam-trigger words and personalization before you send.Open tool CTA GeneratorBrowse a curated bank of high-converting call-to-action phrases.Open tool Social Media Bio GeneratorGet ready-to-use bio templates for Instagram, X, LinkedIn & TikTok.Open tool Blog Outline GeneratorGenerate a structured article outline with intro and conclusion.Open tool Plagiarism Checker HelperGenerate one-click Google search links for each sentence in your text.Open tool Aspect Ratio CalculatorSimplify a resolution or jump to standard social & video sizes.Open tool Video Thumbnail GrabberScrub a video and grab any frame as a downloadable image.Open tool SRT Subtitle FormatterRenumber subtitle blocks and shift timestamps to resync a file.Open tool Video to GIF ConverterTurn a short video clip into an animated GIF, in your browser.Open tool Audio Trimmer / CutterTrim an audio file to a start and end point and download it as WAV.Open tool Audio Speed ChangerSpeed up or slow down an audio file and download the result.Open tool GIF OptimizerShrink an animated GIF by reducing its resolution, quality or frames.Open tool Unit ConverterConvert length, weight and temperature units in real time.Open tool Profit Margin CalculatorWork out profit, margin and markup from cost and selling price.Open tool Percentage CalculatorFind a percentage, a percentage of a number, or percentage change.Open tool Date CalculatorFind the days between two dates or add and subtract days from one.Open tool Pomodoro TimerA simple focus timer with work sessions and short breaks.Open tool Timezone Meeting PlannerSee the equivalent local time across major timezones worldwide.Open tool Currency ConverterConvert between major world currencies with live exchange rates.Open tool Random Picker WheelEnter a list of options and spin the wheel to randomly pick one.Open tool Task & Kanban BoardA simple To Do / In Progress / Done board saved in your browser.Open tool Age CalculatorFind your exact age in years, months and days, plus your next birthday.Open tool BMI CalculatorWork out body mass index from height and weight in metric or imperial units.Open tool Loan EMI CalculatorCalculate monthly loan instalments, total interest and total repayment.Open tool Tip & Bill SplitterAdd a tip and split any bill evenly between friends.Open tool Zakat CalculatorTotal your zakatable assets and see the 2.5% zakat due against your nisab.Open tool Number Base ConverterConvert numbers between binary, octal, decimal and hexadecimal.Open tool Roman Numeral ConverterTurn numbers into Roman numerals and Roman numerals back into numbers.Open tool Random Number GeneratorPick random numbers in any range, with or without repeats.Open tool Stopwatch & CountdownA precise stopwatch with laps and a countdown timer with an alarm.Open tool Text to SpeechRead any text aloud in your browser with a choice of voices and speeds.Open tool Morse Code TranslatorTranslate text to Morse code and back, and play it as sound.Open tool Color Contrast CheckerCheck text and background colors against WCAG AA and AAA contrast rules.Open tool Image WatermarkAdd a text watermark to any image and download it, without uploading.Open tool Scientific CalculatorTrig, logs, powers, roots and factorials with a full keypad.Open tool Ohm's Law CalculatorFind voltage, current, resistance or power from any two values.Open tool Resistor Color CodeRead 4- and 5-band resistor values and tolerance from their colours.Open tool Quadratic Equation SolverSolve ax² + bx + c = 0 with real or complex roots.Open tool Statistics CalculatorMean, median, mode, range, variance and standard deviation.Open tool Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers.Open tool GPA CalculatorCalculate your GPA on a 4.0 scale from courses and grades.Open tool IP Subnet CalculatorNetwork, broadcast, mask and host range for any IPv4 CIDR.Open tool Chmod CalculatorConvert Linux file permissions between checkboxes, numbers and symbols.Open tool Compound Interest CalculatorGrow savings with compound interest and monthly deposits.Open tool Discount CalculatorSale price and savings, including stacked discounts.Open tool VAT & Sales Tax CalculatorAdd or remove VAT, GST or sales tax at any rate.Open tool Fuel Cost CalculatorTrip fuel and cost, split between passengers.Open tool Calorie CalculatorEstimate BMR and daily calories (TDEE) from your activity.Open tool Open Graph & Twitter Card GeneratorCreate Open Graph and Twitter Card tags with a live share preview.Open tool Website Speed CheckerTest a page with Google PageSpeed and see Core Web Vitals.Open tool WhatsApp Link GeneratorMake a click-to-chat WhatsApp link with a pre-filled message.Open tool Payment Reminder GeneratorWrite a friendly, firm or final reminder for an unpaid invoice.Open tool Google Review QR GeneratorTurn your Google review link into a printable QR code.Open tool SIP CalculatorEstimate how a monthly investment grows with compounding.Open tool ROI CalculatorCalculate return on investment and annualised return.Open tool Break-even CalculatorFind the units and revenue needed to cover your costs.Open tool Remove Duplicate LinesDelete repeated lines from a list and keep the original order.Open tool Text SorterSort lines A–Z, Z–A, by number or length, or shuffle them.Open tool Find and ReplaceFind words or patterns in text and replace every match.Open tool SQL FormatterBeautify SQL queries with clean line breaks and keyword case.Open tool XML FormatterIndent and validate XML with clear error messages.Open tool Rotate PDFTurn every page of a PDF by 90°, 180° or 270°.Open tool Domain Age CheckerSee when a domain was registered, its expiry date and registrar.Open tool Screen RecorderRecord your screen, a window or a tab with sound — no watermark.Open tool Voice RecorderRecord audio with your microphone and download it.Open tool Speech to TextSpeak and turn your words into text in 12 languages.Open tool Webcam & Mic TestCheck your camera and microphone before a call.Open tool Image Studio (Batch)Resize, convert and compress up to 50 images at once with presets.Open tool AI Writing StudioEmails, rewrites, summaries, captions and more with AI, in any language.Open tool Smart QR GeneratorQR codes for Wi-Fi, contacts, email, WhatsApp and SMS.Open tool Coin Flip & Dice RollerFlip a coin or roll up to 6 dice with fair random results.Open tool Citation GeneratorAPA, MLA and Chicago references for websites and books.Open tool Hijri Date ConverterConvert any date to the Islamic (Hijri) calendar.Open tool Freelance Rate CalculatorFind the hourly and day rate you need to charge.Open tool Reading Time CalculatorSee how long a text takes to read and to speak aloud.Open tool HEIC to JPG ConverterConvert iPhone HEIC photos to JPG or PNG.Open tool Image UpscalerEnlarge images 2×, 3× or 4× with sharpening.Open tool PDF to Word ConverterTurn PDF text into an editable Word (.docx) file.Open tool Video CompressorShrink videos by lowering resolution and bitrate.Open tool Pakistan Salary Tax CalculatorSalary income tax for 2026-27 with FBR slabs.Open tool 2048Slide and merge tiles to reach 2048. Works with arrow keys and swipes.Play SnakeThe classic snake game — eat, grow and beat your best score.Play Memory MatchFlip cards and find every pair in as few moves as possible.Play Tic-Tac-ToePlay against a friend or the computer on a 3×3 board.Play Typing Speed TestMeasure your typing speed in words per minute and your accuracy.Play MinesweeperClear the board without hitting a mine. Right-click or long-press to flag.Play Connect FourLine up four discs in a row against the computer or a friend.Play HangmanGuess the hidden word letter by letter before you run out of tries.Play Reaction Time TestClick when the box turns green and measure your reaction speed.Play Simon SaysRepeat the growing pattern of colours and sounds.Play Block StackRotate and drop falling blocks to clear lines — a classic puzzle game.Play Brick BreakerBounce the ball and break every brick with your paddle.Play Space DefenderMove your ship and shoot the invaders before they land.Play Sky HopperTap to hop through the gaps — how far can you fly?Play Whack-a-MoleHit as many moles as you can in 30 seconds.Play SudokuClassic 9×9 Sudoku with Easy, Medium and Hard puzzles.Play Word GuessGuess the hidden 5-letter word in 6 tries.Play Sliding PuzzleSlide numbered tiles into order — 3×3, 4×4 or 5×5.Play