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Calculators11 toolsEveryday math: loans, interest, tax, salary, Zakat, and more.Developer Tools20 toolsFormatters, converters, generators, and testers for everyday coding tasks.Content & Text Tools16 toolsWord counting, case conversion, cleanup, and text analysis.SEO Tools10 toolsTitles, meta tags, sitemaps, and structured data for better rankings.Crypto & Web3 Calculators22 toolsDeFi math: APY, vesting, gas, liquidation price, and unit conversion.AI & Prompt Tools9 toolsToken counters, cost estimators, and prompt-engineering helpers.Image Tools16 toolsBackground removal, upscaling, compression, and more — all in your browser.Document & PDF Tools12 toolsMerge, split, convert, and edit PDFs and documents without uploading them anywhere.Network & device tools6 toolsCheck your IP, test your connection, and diagnose your device — all in your browser.
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Percentage CalculatorFind percentages, percentage change, and percentage differences instantly.Currency ConverterConvert between world currencies using up-to-date exchange rates.Zakat CalculatorCalculate Zakat owed on cash, gold, silver, and cryptocurrency holdings.JSON Formatter & ValidatorFormat, validate, minify, and compare JSON — all in your browser.Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.QR Code GeneratorGenerate a downloadable QR code from any text, URL, or Wi-Fi credentials.Word CounterCount words, characters, sentences, and paragraphs as you type.Case ConverterConvert text between UPPERCASE, lowercase, Title Case, camelCase, and more.SEO Title CheckerCheck your page title's length and preview how it looks in Google search results.Sitemap GeneratorGenerate an XML sitemap from a list of URLs.APY CalculatorCalculate compounded annual yield from a periodic interest rate.Gas Fee CalculatorEstimate transaction cost in ETH and USD from gas price and gas limit.AI Token CalculatorEstimate how many tokens your text will use for GPT and Claude-style models.AI Cost CalculatorEstimate the API cost of a prompt based on token count and model pricing.AI Background RemoverRemove the background from any photo, entirely in your browser.Smart Image CompressionShrink image file size with minimal visible quality loss.PDF MergeCombine multiple PDFs into one file, entirely in your browser.PDF CompressorShrink a PDF's file size by optimizing its internal structure.What Is My IP AddressInstantly see your public IP address, IPv4 and IPv6, ISP, and approximate location.Typing Speed TestTest how fast you type. Get your words-per-minute (WPM) and accuracy instantly.
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122 tools
Percentage CalculatorFind percentages, percentage change, and percentage differences instantly.Age CalculatorCalculate exact age in years, months, and days from a date of birth.Date Difference CalculatorFind the number of days, weeks, or months between two dates.BMI CalculatorCalculate Body Mass Index from your height and weight, in metric or imperial units.Loan CalculatorCalculate monthly payments, total interest, and full amortization for any loan.Interest CalculatorCompare simple and compound interest growth over time.Currency ConverterConvert between world currencies using up-to-date exchange rates.Tax CalculatorEstimate income tax owed based on your income and region's tax brackets.Salary CalculatorConvert gross salary to net take-home pay, or work backwards from net to gross.Zakat CalculatorCalculate Zakat owed on cash, gold, silver, and cryptocurrency holdings.Islamic Inheritance Calculator (Faraid)Calculate inheritance shares according to Islamic Faraid rules.JSON Formatter & ValidatorFormat, validate, minify, and compare JSON — all in your browser.XML FormatterPretty-print and validate XML with proper indentation.YAML FormatterFormat, validate, and convert YAML to/from JSON.CSV ConverterConvert CSV to JSON, or JSON to CSV, instantly in your browser.Base64 Encoder/DecoderEncode text to Base64 or decode Base64 back to plain text.URL Encoder/DecoderPercent-encode or decode URLs and query string components.Code FormatterFormat HTML, CSS, and JavaScript with consistent style, right in your browser.Regex TesterBuild and test regular expressions with live match highlighting.JWT DecoderDecode JSON Web Tokens to inspect their header and payload.Unix Timestamp ConverterConvert between Unix timestamps and human-readable dates.UUID GeneratorGenerate random UUID v4 identifiers in bulk.Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.Password GeneratorGenerate strong, random passwords with customizable character sets.cURL Command GeneratorBuild a cURL command from a method, URL, headers, and body.API Request BuilderCompose an HTTP request and preview it as cURL, fetch, or a raw HTTP message.HTTP Status Code ReferenceLook up any HTTP status code's meaning, category, and typical use case.User Agent ParserParse a User-Agent string into browser, engine, OS, and device details.Color ConverterConvert colors between HEX, RGB, HSL, and CSS names.Cron Expression GeneratorBuild and understand cron expressions with a plain-English description.QR Code GeneratorGenerate a downloadable QR code from any text, URL, or Wi-Fi credentials.Markdown PreviewerWrite Markdown and see the rendered HTML preview side by side.Text FormatterNormalize whitespace, line breaks, and smart quotes in pasted text.Word CounterCount words, characters, sentences, and paragraphs as you type.Character CounterCount characters with and without spaces, ideal for limits like tweets or meta tags.Case ConverterConvert text between UPPERCASE, lowercase, Title Case, camelCase, and more.Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text by paragraphs, sentences, or words.Text CleanerStrip HTML tags, extra punctuation, and special characters from pasted text.Duplicate Line/Text RemoverRemove duplicate lines or entries from a list of text.Reading Time CalculatorEstimate how long your text takes to read at any reading speed.Duplicate Sentence FinderFind repeated or near-duplicate sentences in your writing.Passive Voice CheckerHighlight likely passive-voice sentences in your writing.Grammar & Style CheckerCatch weasel words, passive voice, clichés, and wordy phrases — rule-based, not AI.Text Difference CheckerCompare two texts and see exactly what changed, word by word or line by line.Sentence RewriterGet alternate word suggestions to vary your writing — rule-based, not AI.AI Text AnalyzerOne dashboard for reading time, keyword density, passive voice, and sentence length.AI Text SummarizerSummarize long text using a small AI model that runs entirely in your browser.SEO Title CheckerCheck your page title's length and preview how it looks in Google search results.Meta Description OptimizerCheck meta description length and preview it in Google search results.Slug GeneratorConvert any title into a clean, URL-safe slug.URL CleanerStrip tracking parameters like utm_source from any URL.Keyword Density CheckerAnalyze how often keywords and phrases appear in your text.Heading Structure AnalyzerCheck your page's H1–H6 heading hierarchy for SEO and accessibility issues.Robots.txt GeneratorBuild a valid robots.txt file with allow/disallow rules and sitemap links.Sitemap GeneratorGenerate an XML sitemap from a list of URLs.Schema Markup GeneratorGenerate JSON-LD structured data for articles, products, FAQs, and more.Open Graph Preview ToolPreview how your page will look when shared on social media.Token Vesting CalculatorCalculate unlocked and locked token amounts across a vesting schedule.Token Unlock CalculatorCalculate the tokens released on a specific unlock date and the impact on circulating supply.Market Cap CalculatorCalculate a token's market capitalization from its price and circulating supply.FDV CalculatorCalculate Fully Diluted Valuation from token price and max supply.Token Price CalculatorBack-calculate implied token price from valuation and supply.Token Allocation CalculatorModel token distribution across team, investors, community, and treasury.Token Supply CalculatorCompare circulating, total, and max supply and their percentage relationships.APY CalculatorCalculate compounded annual yield from a periodic interest rate.APR CalculatorCalculate simple annualized percentage rate from periodic returns.DCA CalculatorSimulate returns from dollar-cost averaging into an asset over time.Crypto Profit/Loss CalculatorCalculate profit or loss in dollars and percentage for a trade.Position Size CalculatorCalculate the right position size based on account risk percentage.Risk/Reward CalculatorCalculate the risk-to-reward ratio for a trade setup.Liquidation Price CalculatorCalculate the price at which a leveraged position gets liquidated.Leverage CalculatorCalculate position size and margin required for a leveraged trade.Gas Fee CalculatorEstimate transaction cost in ETH and USD from gas price and gas limit.Staking Reward CalculatorProject staking rewards over time based on APR and compounding frequency.Impermanent Loss CalculatorCalculate impermanent loss from providing liquidity as token prices diverge.Transaction Fee CalculatorEstimate total cost including exchange or network fees for a crypto transaction.Wallet Address ValidatorValidate the format and checksum of Bitcoin, Ethereum, and other wallet addresses.ETH Unit ConverterConvert between Wei, Gwei, and ETH instantly.Crypto Unit ConverterConvert between smallest units and whole coins across major blockchains.AI Token CalculatorEstimate how many tokens your text will use for GPT and Claude-style models.AI Cost CalculatorEstimate the API cost of a prompt based on token count and model pricing.AI Context Window CalculatorCheck how much of a model's context window your prompt will use.Prompt FormatterClean up and structure a prompt with consistent formatting.AI Character CounterCount characters and estimate tokens for prompts, side by side.Prompt Variable GeneratorTurn a prompt template into a reusable form with fill-in-the-blank variables.Prompt Comparison ToolDiff two prompt versions to see exactly what changed.AI Temperature SimulatorSee how temperature affects token sampling, illustrated with a local demo distribution.AI Prompt GeneratorBuild a well-structured prompt step by step using a proven template.AI Background RemoverRemove the background from any photo, entirely in your browser.AI Image UpscalerUpscale a photo to 2x resolution using an on-device AI model.AI Portrait CropperAutomatically crop a photo around the detected face.Face Blur ToolAutomatically detect and blur faces in a photo for privacy.Handwriting to TextConvert a photo of handwriting into editable text.OCR Image to TextExtract text from a photo or screenshot using on-device OCR.QR Code ReaderScan a QR code from an uploaded image and read its contents.Barcode ScannerScan a barcode from an uploaded image and read its value.AI Color Palette ExtractorExtract the dominant color palette from any image.Smart Image CompressionShrink image file size with minimal visible quality loss.Image ResizerResize an image to exact dimensions or a percentage scale.Image CropperCrop an image to any region or a common aspect ratio.Image ConverterConvert images between JPG, PNG, and WebP formats.Image Metadata ViewerView EXIF metadata embedded in a photo — camera, date, GPS, and more.Image Quality AnalyzerDetect blur and estimate sharpness in an image.Screenshot OptimizerResize, compress, and convert a screenshot in one step.PDF MergeCombine multiple PDFs into one file, entirely in your browser.PDF SplitSplit a PDF into separate single-page files.PDF CompressorShrink a PDF's file size by optimizing its internal structure.PDF Page ExtractorPull specific pages out of a PDF into a new file.PDF RotatorRotate one, several, or all pages in a PDF.PDF WatermarkStamp a text watermark across every page of a PDF.PDF Password ProtectorAdd a password to encrypt and protect a PDF.PDF UnlockerRemove a password from a PDF you already know the password to.PDF Metadata CleanerStrip author, title, and other metadata from a PDF.PDF ReaderView a PDF page by page, right in your browser.PDF to Word ConverterExtract text from a PDF into an editable Word document.Word to PDF ConverterConvert a Word document into a PDF.What Is My IP AddressInstantly see your public IP address, IPv4 and IPv6, ISP, and approximate location.MAC Address LookupLook up the manufacturer of any MAC address instantly, plus how to find your own.Internet Speed TestFree internet speed test — check your download speed, upload speed, and ping in seconds.Webcam & Microphone TestCheck that your camera and microphone are working before your next video call.Typing Speed TestTest how fast you type. Get your words-per-minute (WPM) and accuracy instantly.What Is My Screen ResolutionInstantly see your screen resolution, viewport size, and pixel density.
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