58 free tools, no sign-up

Count, clean and transform text.

• Word & Character CounterLive word, character, sentence and reading-time count.
• Case ConverterUPPERCASE, lowercase, Title Case, sentence case and more.
• Remove Duplicate LinesDe-duplicate, trim and optionally sort a list.

Length, weight, area, speed, data — with Indian land units.

• Length ConverterMetres, kilometres, miles, feet, inches, yards and more.
• Weight ConverterKilograms, grams, pounds, ounces, quintal, tonne, tola.
• Temperature ConverterCelsius, Fahrenheit and Kelvin, all at once.
• Land Area Converter (India)Bigha, katha, biswa, guntha, cent, ground, marla, acre, hectare.
• Speed Converterkm/h, mph, m/s, knots and Mach.
• Data Storage ConverterBytes, KB, MB, GB, TB — decimal (1000) and binary (1024).

GST, EMI and income tax — tuned for India.

• GST CalculatorAdd or remove GST at 5%, 12%, 18% or 28% — with CGST/SGST split.
• EMI CalculatorMonthly instalment, total interest and a year-by-year schedule.
• Income Tax Calculator (FY 2025-26)New vs old regime tax on your salary, including cess.

SIP, FD, RD, PPF, compound interest.

• SIP CalculatorFuture value of a monthly mutual-fund SIP, with optional step-up.
• Lumpsum Investment CalculatorFuture value of a one-time investment at a compound rate.
• FD CalculatorFixed-deposit maturity value with quarterly compounding.
• RD CalculatorRecurring-deposit maturity from a fixed monthly deposit.
• PPF Calculator15-year Public Provident Fund maturity and yearly balance.
• Simple Interest CalculatorInterest on the principal only — P × R × T ÷ 100.
• Compound Interest CalculatorInterest on interest, with any compounding frequency.
• Discount CalculatorFinal price after a discount, plus stacked coupons.
• Inflation CalculatorWhat money today will be worth — and cost — later.

Percentages, age, dates.

• Percentage CalculatorWhat is X% of Y, X is what % of Y, and percentage change.
• Age CalculatorExact age in years, months and days — plus your next birthday.
• Date Difference CalculatorDays, weeks, months and working days between two dates.

Numbers to words and back.

• Number to Words (Indian)₹ amounts in words — lakh, crore, paise — for cheques and invoices.
• Roman Numeral ConverterNumbers ⇄ Roman numerals, 1 to 3,999.

Timestamps, week numbers, durations.

• Unix Timestamp ConverterEpoch seconds / milliseconds ⇄ human date, both ways.
• Add or Subtract Days from a DateDate ± days / weeks / months / years, with a working-day mode.
• Week Number CalculatorISO 8601 week number for today or any date.
• Time Duration CalculatorTime between two dates & times, in days, hours and minutes.

BMI, calories, body fat — Indian cut-offs.

• BMI CalculatorBody Mass Index with WHO and Asian-Indian (ICMR) categories.
• Calorie Calculator (TDEE)Daily calorie needs to maintain, lose or gain weight.
• Body Fat Percentage CalculatorU.S. Navy method from a few tape measurements.
• Ideal Weight CalculatorHealthy weight range plus the classic clinical formulas.
• Water Intake CalculatorDaily water target from weight, activity and climate.
• Pregnancy Due Date CalculatorEstimated due date from the last period or conception date.

JSON, Base64, hashes, UUIDs.

• JSON Formatter & ValidatorPretty-print, minify and validate JSON in the browser.
• Base64 Encode / DecodeText ⇄ Base64, Unicode-safe.
• Hash GeneratorSHA-1, SHA-256, SHA-384 and SHA-512 of any text.

Convert and inspect CSV / JSON.

• CSV to JSON ConverterPaste CSV, get JSON — array of objects or array of rows.
• JSON to CSV ConverterTurn an array of JSON objects into a spreadsheet-ready CSV.
• CSV Viewer & Column AnalyserView CSV as a table; get per-column counts, uniques and sums.

Passwords and QR codes.

• UUID GeneratorBulk RFC-4122 v4 UUIDs, generated locally.
• Password GeneratorStrong random passwords with a live strength meter.
• QR Code GeneratorQR codes for links, text, Wi-Fi and UPI — download PNG or SVG, no watermark.

Convert, contrast-check, build palettes.

• Colour Converter (HEX, RGB, HSL)Convert a colour between HEX, RGB and HSL, with a picker.
• Colour Contrast Checker (WCAG)Check text/background contrast against WCAG AA and AAA.
• Colour Palette GeneratorShades, complementary, analogous, triadic and tetradic sets.
• CSS Gradient GeneratorBuild a linear or radial gradient and copy the CSS.

Meta tags, slugs, UTM links, robots.txt.

• Meta Tag GeneratorTitle, description, Open Graph and Twitter card tags.
• URL Slug GeneratorClean, lowercase, hyphenated slugs from any title.
• UTM Link BuilderAdd campaign tracking parameters to any URL.
• Google SERP Snippet PreviewSee how your title and description may look in search results.
• robots.txt GeneratorBuild a robots.txt — allow all, block all, or block AI crawlers.

Caption counters, hashtags, formatting.

• X / Twitter Character CounterWeighted character count with the 280 limit and thread split.
• Hashtag GeneratorTurn topics into a set of #camelCase or #lowercase hashtags.
• Instagram Caption FormatterKeep your line breaks and spacing when you paste into Instagram.

Validate PAN and more.

• PAN Card ValidatorCheck a PAN's format and decode what its characters mean.