Free online tools that work right in your browser.

61 fast, private tools for developers, PDFs, images, text, SEO and finance. Nothing is uploaded, and there’s nothing to sign up for.

Developer Tools

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JSON FormatterFormat, validate, and beautify JSON instantlyBase64 Encoder/DecoderEncode and decode Base64 strings instantlyURL Encoder/DecoderEncode and decode URLs for safe transmissionHash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-512 hashesJWT DecoderDecode and inspect JWT tokensWhat Is My IPFind your public IP address, location, and ISP instantlyXML to JSON ConverterConvert XML to JSON and JSON to XML instantlyRegex TesterTest and debug regular expressions with live match highlightingCSS MinifierMinify and beautify CSS to reduce file size and improve readabilityMarkdown to HTMLConvert Markdown to HTML with live previewUnix Timestamp ConverterConvert Unix epoch time to a readable date and backCron Expression ParserExplain cron schedules in plain English and see the next run timesJSON to CSV ConverterConvert JSON arrays to CSV and CSV back to JSONJSON to YAML ConverterConvert JSON to YAML and YAML to JSON instantlySQL FormatterBeautify SQL queries for PostgreSQL, MySQL, SQL Server and moreHTML FormatterBeautify or minify HTML codeJavaScript MinifierMinify and compress JavaScript with Terser

PDF Tools

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Merge PDFCombine multiple PDFs into a single fileSplit PDFExtract specific pages from your PDFCompress PDFShrink PDF file size, losslessly or for maximum savingsEdit PDFAdd text securely to your PDFRotate PDFRotate all pages in your PDFDelete PDF PagesRemove unwanted pages from a PDFWatermark PDFStamp a watermark across your documentUnlock PDFRemove password from a PDF fileJPG to PDFCombine images into a single PDFPDF to JPGConvert every PDF page to a JPG or PNG image

Image Tools

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Image CompressorCompress images without losing qualityImage Format ConverterConvert images between PNG, JPG, and WEBPImage ResizerResize images to exact pixel dimensionsImage CropperCrop images to any size or aspect ratioFavicon GeneratorCreate favicon.ico and app icons from an image or letter

Finance Calculators

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EMI CalculatorCalculate loan EMI online for freeSIP CalculatorCalculate mutual fund SIP returnsGST CalculatorCalculate GST with CGST/SGST breakdownIncome Tax CalculatorCalculate income tax for India (FY 2024-25)Percentage CalculatorCalculate percentages, changes, and differences instantlySalary CalculatorCalculate take-home pay for US, UK, India, Canada & AustraliaFD CalculatorCalculate fixed deposit maturity value and interestLoan Comparison CalculatorCompare loan offers side by side to find the cheapestDiscount CalculatorWork out sale prices, savings and stacked discountsTip CalculatorCalculate the tip and split the bill between friends

Text Tools

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Case ConverterConvert text to any case format instantlyLorem Ipsum GeneratorGenerate placeholder text instantlyText Diff CheckerCompare two texts and find differencesText to SpeechRead any text aloud with natural voicesRemove Duplicate LinesDelete repeated lines and empty rows from a listCharacter CounterCount characters, words and bytes against platform limits

SEO Tools

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Slug GeneratorTurn titles into clean, SEO-friendly URL slugsMeta Tag GeneratorCreate SEO, Open Graph and Twitter meta tags with a live preview

Office Tools

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Word CounterCount words, characters, and sentences instantlyQR Code GeneratorGenerate QR codes instantly

Converters

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Unit ConverterConvert between length, weight, and temperature unitsNumber Base ConverterConvert between binary, octal, decimal, hex and any base

Generators

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UUID GeneratorGenerate UUIDs (v4) instantlyPassword GeneratorGenerate secure random passwords

Utilities

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Color PickerPick colors and convert HEX, RGB, and HSL instantlyCountdown TimerSet countdown timers for any upcoming eventAge CalculatorFind your exact age in years, months and daysBMI CalculatorCalculate your body mass index in metric or US unitsDate Difference CalculatorCount days between dates or add days to a date