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72+ free calculators, PDF, image and text tools. No sign-up, no watermarks, and your files never leave your device.

๐Ÿงฎ Calculators

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EMI Calculator Work out the monthly instalment, total interest and total cost of any loan. BMI Calculator Find your Body Mass Index and the healthy weight range for your height. Age Calculator Get your exact age in years, months and days, plus your next birthday. Percentage Calculator Three quick percentage calculators in one place. Compound Interest Calculator See how your savings grow with compounding and regular deposits. GST Calculator Add GST to a net price or extract GST from a GST-inclusive amount. SIP Calculator Estimate how much your monthly SIP investment could grow to. Simple Interest Calculator Find the interest and total amount using the simple interest formula. Discount Calculator Work out the sale price and your savings in seconds. Days Between Dates Count the days, weeks, months and working days between two dates. FD Calculator Find the maturity value and interest earned on a fixed deposit. BMR & Calorie Calculator Estimate how many calories your body burns at rest and through the day. CGPA to Percentage Convert CGPA to percentage (and back) using CBSE or your universityโ€™s formula. PPF Calculator See how your Public Provident Fund account grows year by year.

๐Ÿ“„ PDF Tools

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Merge PDF Combine several PDFs into a single file, in the order you choose. Split PDF Extract the pages you need from a PDF into a new file. JPG to PDF Turn photos and scanned images into one PDF document. Rotate PDF Fix sideways or upside-down pages and save the rotated PDF. Add Page Numbers Number the pages of any PDF in the position and style you want. Watermark PDF Stamp a text watermark like โ€œCONFIDENTIALโ€ across every page. PDF to JPG Turn each page of a PDF into a JPG or PNG image. Delete PDF Pages Remove blank, duplicate or unwanted pages from a PDF.

๐Ÿ–ผ๏ธ Image Tools

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Compress Image Shrink image file sizes while keeping them looking sharp. Resize Image Change an imageโ€™s width and height in pixels or by percentage. Image Converter Convert images between JPG, PNG and WebP in bulk. Crop Image Cut out the part of a photo you want, freely or in a fixed shape.

๐Ÿ“ˆ Stock Market Tools

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Stock Average Calculator Find your average buy price across purchases and plan averaging down. Position Size Calculator Know exactly how many shares to buy so a stop-loss costs only what you planned. Risk Reward Ratio Calculator Check whether a trade is worth taking before you enter. Brokerage & Charges Calculator See every charge on a trade and your true profit after costs. CAGR Calculator Measure the true yearly growth rate of an investment. Pivot Point Calculator Get support and resistance levels for the next session. Fibonacci Retracement Calculator Find likely pullback and target levels from a swing high and low. Forex Pip & Lot Size Calculator Know what each pip is worth and how many lots to trade for your risk. Option Payoff Calculator See the profit and loss of any options strategy at expiry. Trading Compounding Calculator Project how capital compounds at a steady return per day, week or month.

๐Ÿฅ Health & Medical Tools

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Pregnancy Due Date Calculator Find your estimated due date, how far along you are and upcoming milestones. Ovulation Calculator Predict your fertile window, ovulation day and next periods. Water Intake Calculator Estimate how much water your body needs each day. Body Fat & Ideal Weight Estimate body fat from a few tape measurements and see your ideal weight range. Heart Rate Zone Calculator Find your target heart rate zones for exercise. Ayurveda Prakriti (Dosha) Quiz Answer 15 quick questions to discover your Ayurvedic body-mind type. Pharma Margin Calculator (PTR/PTS) Work out PTR, PTS, margins and the net rate after schemes, from the MRP. Days Supply Calculator Find how long a supply lasts, or how many tablets a course needs. IV Drip Rate Calculator Calculate infusion rate in mL/hr and drops per minute. Dilution Calculator (C1V1 = C2V2) Solve for any one value in the dilution equation.

๐Ÿ“ฑ Social Media Tools

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Fancy Font Generator Type once and copy your text in 20+ stylish fonts for bios and captions. Social Media Image Resizer Resize any photo to the perfect size for every social platform. Engagement Rate Calculator Measure how actively your audience interacts with your posts. YouTube Thumbnail Downloader Get the thumbnail image of any YouTube video or Short in every size. Caption Character Counter Write once and check your post against every platformโ€™s character limit. WhatsApp Link Generator Let customers message you on WhatsApp in one tap โ€” no need to save your number.

๐Ÿ’ผ Business Tools

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Invoice Generator Fill in the invoice below, then download it as a PDF or print it. Purchase Order Generator Create a professional purchase order to send to your supplier. Quotation Generator Send customers a clear, professional price quotation in minutes. Profit Margin Calculator Work out profit, margin and markup โ€” or the price you need to charge. Break-Even Calculator Find out how many units you must sell before you start making a profit. Barcode Generator Create printable barcodes for products, stock and shipping labels.

โœ๏ธ Text Tools

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Word Counter Count words, characters, sentences and paragraphs as you type. Case Converter Change the letter case of any text with one click. Password Generator Create strong, random passwords that are hard to guess or crack. Lorem Ipsum Generator Generate placeholder text for designs, mockups and templates. Text to Speech Paste any text and listen to it read aloud in the voice you choose. Remove Duplicate Lines Clean up lists: remove duplicates, empty lines and extra spaces, and sort.

๐Ÿ”„ Converters

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Unit Converter Convert length, weight, temperature, area, volume, speed, time and data. Number to Words Write any number in words โ€” Indian and international formats, ready for cheques. Roman Numeral Converter Convert between numbers and Roman numerals in either direction.

๐Ÿ’ป Developer Tools

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QR Code Generator Create a QR code for a link, text, Wi-Fi network, phone number or email. JSON Formatter Beautify, validate or minify JSON with clear error messages. Base64 Encode / Decode Convert text or files to Base64, and decode Base64 back to text. Color Picker & Converter Pick any colour and get its HEX, RGB and HSL codes, shades and contrast. Unix Timestamp Converter Convert epoch timestamps to dates and dates to timestamps.

๐Ÿ“ฐ Latest guides

All articles โ†’
๐Ÿงฎ Calculators 5 Percentage Formulas You Will Use Every Week Master the five percentage calculations behind discounts, marks, salary hikes, price changes and GST โ€” with simple formulas, mental shortcuts and examples. 31 October 2026 ยท 2 min read ๐Ÿ’ผ Business Barcode Types Explained: Code 128, EAN-13 and UPC Which barcode should you use? Learn the differences between Code 128, EAN-13, UPC-A, Code 39 and ITF-14, how check digits work, and when you need GS1 numbers. 31 October 2026 ยท 3 min read ๐Ÿงฎ Calculators BMR vs TDEE: How Many Calories Do You Really Burn? Understand BMR and TDEE, how activity changes your daily calorie needs, and how to set a sensible calorie target to lose, maintain or gain weight safely. 31 October 2026 ยท 3 min read

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