All Tools

Count words, characters, sentences and estimate reading time instantly.

Count characters with and without spaces, perfect for social media limits.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and kebab-case.

Generate placeholder Lorem Ipsum text by paragraphs, sentences or words.

Compare two blocks of text and see exactly which lines changed.

Strip or normalize line breaks and extra spacing from pasted text.

Sort lines alphabetically or numerically and remove duplicate lines.

Find and replace text with optional case-insensitive and regex matching.

Count how often each word appears and see the most common words.

Reverse text by characters, words or lines.

Analyse text readability with Flesch-Kincaid, Gunning Fog, and SMOG scores.

Check if two words or phrases are anagrams of each other, and generate anagrams from a word.

Check if a word, number, or sentence is a palindrome, with letter-by-letter breakdown.

Convert numbers to ordinal words — 1st, 2nd, 3rd — or written form like "twenty-first".

Generate strong, secure passwords with custom length and complexity.

Check how strong a password is and estimate time to crack it.

Calculate percentages, percentage change, and percentage difference.

Compute tip amount and per-person split for any bill in seconds.

Convert between common units of length, mass, temperature and volume.

Calculate your grade point average from course grades and credit hours.

A full scientific calculator with trig, logs, powers, roots and memory.

Work out the sale price and amount saved from a price and a percentage off.

Convert numbers to Roman numerals and Roman numerals back to numbers.

Add, subtract, multiply and divide fractions with a simplified result.

Find the mean, median, mode and range of a list of numbers.

Simplify ratios and solve proportions for a missing value.

Solve any quadratic equation and find its roots and vertex.

Check whether a number is prime and find its factors.

Find the least common multiple and greatest common divisor of numbers.

Calculate the factorial of a number, including very large results.

Calculate combinations (nCr) and permutations (nPr) of n and r.

Convert numbers to and from scientific (standard form) notation.

Convert numbers to written words and words back to numbers.

Add, subtract, multiply and divide binary numbers.

Estimate how much paint you need for a room or wall.

Calculate the area of rectangles, circles, triangles and more.

Calculate mean, median, mode, standard deviation, variance, and more from a list of numbers.

Calculate area, perimeter, and angles of any triangle from sides or angles.

Solve for speed, distance, or time — enter any two to find the third.

Generate the Fibonacci sequence up to N terms or up to a maximum value.

Find the prime factors of any integer and display the factorization tree.

Calculate area, circumference, diameter, and radius of a circle from any one value.

Calculate percentage error, percentage difference, and percentage change between two values.

Calculate z-score, percentile rank, and probability for any value in a normal distribution.

Solve for voltage, current, resistance, or power — enter any two to find the other two.

Calculate exact age in years, months, days, hours and minutes.

Calculate the exact gap between two dates in years, months, days and total days.

Convert between Unix timestamps and human-readable dates in either direction.

See any moment in multiple time zones at once, with working hours indicators.

Find the duration between two times, or add and subtract hours and minutes.

Add or subtract years, months, weeks and days from a date to find a new date.

Count the working days between two dates, excluding weekends.

Find what day of the week any date falls on.

Check whether a year is a leap year and list nearby leap years.

Find your astrological zodiac sign from your birth date.

Calculate Body Mass Index and find your healthy weight range.

Estimate your daily calorie burn (BMR and TDEE) using the Mifflin–St Jeor equation.

Estimate your basal metabolic rate and daily calorie needs by activity level.

Estimate how much water to drink daily from your weight and activity.

Estimate your due date and current pregnancy week from your last period.

Find the best bedtime or wake-up time based on 90-minute sleep cycles.

Estimate body fat percentage using the U.S. Navy circumference method.

Estimate a healthy body weight range from height using four classic formulas.

Split your daily calories into protein, carbs and fat grams for any diet.

Calculate running pace, time or distance for any run or race.

Estimate your one-rep max from the weight and reps of a lifting set.

Estimate ovulation date and fertile window from your last period and cycle length.

Calculate your waist-to-hip ratio and health risk category based on WHO guidelines.

Convert salary between hourly, daily, weekly, monthly and yearly.

Calculate monthly mortgage payments and view full amortization schedule.

Calculate loan payments, total interest and payoff schedule for any loan.

See how a lump sum and optional monthly contribution grow with compound interest over time.

Compare interest rates across currencies and find the break-even FX rate before your trade loses money.

Add sales tax to a price or remove tax from a total to find the net amount.

Calculate simple interest and the final amount from principal, rate and time.

Calculate return on investment as a percentage, with optional annualized return.

See how long it takes to pay off a card balance and the total interest.

Find how long it takes to reach a savings goal with monthly contributions.

Estimate the fuel cost of a trip from distance, efficiency and price.

Calculate profit, margin and markup from cost and revenue.

Find the number of units you must sell to cover your costs.

Compare products by price per unit to find the better deal.

Track daily work hours and calculate total weekly time from start and end times.

Add or remove VAT/GST from a price. Works with any tax rate.

Calculate electricity usage in kWh and cost for any device based on wattage and hours.

Project how much you will save by retirement with monthly contributions and compound growth.

Compare the debt snowball and avalanche methods to find the fastest path to debt freedom.

Convert wages between hourly, daily, weekly, monthly, and annual rates instantly.

Generate QR codes for URLs, Wi-Fi, vCards, and more — with logo and custom styling.

Focus timer with work and break cycles, configurable lengths, and round tracking.

Count down a duration or to a target date and time, accurate in background tabs.

Write Markdown and see live HTML preview, then copy the generated HTML.

An online stopwatch with lap times, accurate in background tabs.

A simple click counter with multiple counters and step control.

Convert text to spoken audio using your browser voices.

Convert cooking measurements between cups, tablespoons, teaspoons, ml, oz, and grams.

Compress images without losing quality. Supports JPG, PNG and WebP.

Resize JPG, PNG and WebP images in your browser without uploading them.

Convert between JPG and PNG in your browser with quality control, no upload.

Crop images to any region or fixed aspect ratio, then download — no upload.

Convert any title or phrase into a clean URL-safe slug.

Generate cryptographically random UUID v4 identifiers, one or many at a time.

Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text in your browser.

Encode any text to Base64 or decode a Base64 string back to plain text.

Pretty-print, validate and minify JSON locally in your browser.

Test, debug and visualise JavaScript regular expressions with live match highlighting and capture groups.

Convert between HEX, RGB, HSL and OKLCH, check WCAG contrast ratios, and generate a tonal shade strip.

Decode, verify, and sign JSON Web Tokens locally in your browser — secrets never leave your device.

Percent-encode or decode URLs and query strings instantly in your browser.

Convert numbers between binary, octal, decimal and hexadecimal at once.

Convert CSV to a JSON array of objects, or JSON back to CSV, in your browser.

Build linear and radial CSS gradients visually and copy the code.

Convert text to binary and binary back to text, in your browser.

Convert an image to a Base64 data URI you can embed in HTML or CSS.

Translate text to Morse code and Morse code back to text.

Encode text to HTML entities or decode entities back to text.

Break a URL into its protocol, host, path, query parameters and more.

Convert text to hexadecimal and hex back to readable text.

Visually build a CSS box-shadow and copy the code.

Calculate width or height to keep an aspect ratio, or simplify a ratio.

Check text and background color contrast against WCAG accessibility levels.

Encrypt and decrypt text with classic ciphers: Caesar shift, ROT13 and Atbash.

Escape a string for use inside JSON, or unescape a JSON string.

Build campaign tracking URLs with UTM parameters.

Search and look up HTTP status codes and their meanings.

Look up ASCII character codes in decimal, hex and binary.

Calculate pixels per inch from screen resolution and size.

Generate a responsive CSS clamp() for fluid font sizes and spacing.

Convert between bytes, KB, MB, GB, TB in both decimal (SI) and binary (IEC) units.

Translate a cron expression into plain English and see the next scheduled run times.

Generate harmonious color palettes — complementary, analogous, triadic, and more.

Perform AND, OR, XOR, NOT, and bit-shift operations on integers with binary display.

Convert px to rem, em, vw, pt, and other CSS units with a configurable base font size.

Minify JSON by removing whitespace and comments, and see the size reduction.

Calculate the specificity of any CSS selector and compare multiple selectors.

Format, prettify, or minify XML with syntax validation and instant error feedback.

Generate random colors in hex, RGB, and HSL with one click or auto-generate on lock.

Decode 4-band and 5-band resistor color codes to find resistance and tolerance.

Calculate network address, broadcast, host range, and usable hosts from an IP and CIDR.

Roll 1–4 animated neon dice with history tracking and shake-to-roll on mobile.

Track scores for 1–20 players with Flip 7 mode, ranking badges, and action history.

Flip 1–10 animated neon coins with streak tracking and shake-to-flip on mobile.

Generate random numbers in any range — single or many, with no-duplicates and sorting.

Add names or options, spin the wheel, and pick a random winner — great for decisions and giveaways.

Ask a yes/no question and get an instant answer — quick Yes/No mode or the classic 20 replies.

Paste names and split them into random, balanced teams or groups in one click.

Play Rock Paper Scissors against the computer with a running win/loss/draw score and streak.

Combine multiple PDF files into one — drag to reorder, processed entirely in your browser.

Split a PDF into separate files by page range, every N pages, or one per page.

Rearrange, rotate, and delete pages of a PDF with drag-drop thumbnails.

Combine JPG and PNG images into a single PDF, reorder pages, no upload.