Free tools
40 small tools that run in your browser. What you type stays on your device: nothing is uploaded.
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Recently used
Calculators
EMI, SIP, GST, income tax, salary, dates and percentages.
EMI calculatorWork out the monthly EMI on a home, car or personal loan, with the total interest and total amount you will pay. Runs in your browser.SIP calculatorEstimate what a monthly SIP could grow to at an assumed yearly return, and see how much is your own money and how much is growth.Compound interest calculatorSee how a deposit grows with compound interest, and how much difference yearly, half-yearly, quarterly, monthly or daily compounding makes.GST calculatorAdd GST to a price or work back from a GST-inclusive price, at 5%, 18%, 40% or any other rate, with the CGST and SGST or IGST split.Income tax calculatorCompare income tax under the new and old regimes for tax year 2026-27 (1 April 2026 to 31 March 2027), with standard deduction, rebate, surcharge and cess.Salary in-hand calculatorEstimate monthly take-home salary from yearly CTC after provident fund, professional tax and income tax under the new or old regime.Percentage calculatorFind X% of a number, what percentage one number is of another, and the percentage increase or decrease between two numbers.Age calculatorFind an exact age in years, months and days from a date of birth, plus total days lived and days to the next birthday.Date difference calculatorCount the days between two dates, also shown as weeks and as years, months and days. Optionally include the end date.Discount calculatorFind the price after a discount and how much you save. Handles a second discount on top of the first, such as 20% + 10%.
Developer tools
Format, encode, decode, generate and test.
JSON formatter and validatorFormat, minify and validate JSON in your browser. Shows where a syntax error is. Nothing is uploaded.Base64 encode and decodeEncode text to Base64 or decode Base64 back to text, with full Unicode support and a URL-safe option.URL encode and decodePercent-encode text for use in a URL, or decode an encoded URL back to readable text.HTML entities encode and decodeEscape < > & and quotes so text can be shown safely in HTML, or turn entities such as & back into characters.UUID generatorGenerate one or many random version 4 UUIDs in your browser, using the cryptographic random number generator.Password generatorCreate strong random passwords with the length and character types you choose. Generated in your browser and never sent anywhere.Hash generatorCompute SHA-256, SHA-1, SHA-384 and SHA-512 hashes of text in your browser with the Web Crypto API.Regex testerTest a JavaScript regular expression against sample text. See every match, its position and its capture groups.Timestamp converterConvert a Unix timestamp in seconds or milliseconds to a readable date in UTC and your local time, or a date to a timestamp.XML formatterCheck that XML is well-formed and indent it for reading, or remove whitespace to minify it. Runs in your browser.JWT decoderDecode a JSON Web Token to read its header, payload and expiry time. Decode only, in your browser. Do not paste real secrets.
Text tools
Count and convert text.
Design tools
Colours, gradients, shadows, QR codes and image sizes.
Colour palette generatorPick one colour and get tints, shades, and complementary, analogous and triadic colours, with HEX codes and CSS variables.HEX to RGB converterConvert a colour between HEX, RGB and HSL, with a live preview. Accepts #rgb, #rrggbb, rgb() and hsl().CSS gradient generatorMake a linear or radial gradient from two or three colours, preview it, and copy the CSS.CSS box-shadow generatorAdjust offset, blur, spread, colour and opacity, see the shadow on a sample card, and copy the CSS box-shadow rule.QR code generatorMake a QR code for a link, text, phone number or UPI payment link and download it as a PNG. Created in your browser; nothing is uploaded.Social media image size guideImage sizes and aspect ratios for Instagram, YouTube, X and LinkedIn taken from each platform’s own help pages, plus a ratio calculator.
Image tools
Convert, compress, resize and crop pictures, and make favicons.
Image converterConvert a picture between JPG, PNG and WebP without uploading it. Choose the quality and download the result.Image compressorReduce the file size of a photo by lowering quality and, if you like, its dimensions. Runs in your browser; the photo is not uploaded.Image resizerResize a picture to exact pixel dimensions, keeping its proportions if you want. Done in your browser, with no upload.Image cropperCrop a picture by dragging on it, freely or to 1:1, 4:5, 9:16 or 16:9. Works in your browser without uploading.Favicon generatorTurn one picture into favicon.ico plus the PNG icons a website needs, with the HTML to paste in. Made in your browser.Resize, compress and convertA tool chain for pictures: choose up to 30 images, set a maximum size, a quality and a format, and download them all. Nothing is uploaded.
PDF and document tools
PDF to images, merge, split and compress, and a resume builder.
PDF to imagesTurn the pages of a PDF into PNG or JPG pictures in your browser. Choose the pages and the resolution. The PDF is not uploaded.Merge PDFCombine several PDF files into a single PDF in the order you choose. The files are joined on your device and are not uploaded.Split PDFExtract chosen pages from a PDF, or split it into several files or single pages. Done in your browser with no upload.Compress PDFMake a PDF smaller without uploading it. Best for scanned PDFs: pages are re-saved as compressed pictures at the quality you choose.Resume builderBuild a clean one-column resume in your browser and print it or save it as a PDF. No sign-up, and nothing you type is stored on a server.
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About these tools
Every tool here is plain JavaScript that runs on your own device. Calculations, text, colours, QR codes, pictures and PDFs are all handled in the browser, so the tools keep working after the page has loaded even if the connection drops, and nothing you enter or open is sent to us. The image and PDF tools read your files on your device and hand the result straight back to you. Favourites and recently used tools are remembered in your browser only.
The Indian tax, GST and provident fund figures used by the calculators were checked on official sources and are shown as "Rates as of 14 November 2026" on those pages. The results are estimates for planning, not professional advice.