Combine multiple PDF files into one, in any order, directly in your browser.

Split a PDF into individual pages or custom page groups, downloaded as a zip.

Shrink a PDF's file size with an adjustable quality slider — ideal for scanned documents.

Rotate every page of a PDF 90°, 180°, or 270° in one click.

Remove specific pages from a PDF using simple page numbers or ranges.

Pull out specific pages or page ranges from a PDF into a new file.

Stamp a custom text watermark across every page of a PDF, with adjustable size and opacity.

Insert page numbers into a PDF at any position, with a custom starting number.

Convert one or more JPG or PNG images into a single PDF document.

Convert one or more JPG photos into a single PDF document, in seconds.

Convert every page of a PDF into a high-quality JPG image, downloaded individually or as a zip.

Extract selectable text from a scanned PDF or image using optical character recognition.

Resize an image to exact pixel dimensions, with optional aspect ratio locking.

Reduce image file size with an adjustable quality slider and live before/after comparison.

Crop an image to an exact region or common aspect ratio like 1:1 or 16:9.

Rotate an image in 90° steps and flip it horizontally or vertically.

Apply an adjustable Gaussian blur to an image, right in your browser.

Enhance edge contrast in a slightly soft photo using a real sharpening filter.

Convert PNG images to JPG format instantly, right in your browser.

Convert JPG images to lossless PNG format instantly, right in your browser.

Convert WEBP images to widely-compatible PNG format instantly in your browser.

Convert PNG images to modern, smaller WEBP format instantly in your browser.

Convert vector SVG graphics into raster PNG images instantly in your browser.

Convert iPhone HEIC photos to universally compatible JPG format.

Convert any image to black and white (grayscale) in your browser.

Give any photo a warm, vintage sepia tone in your browser.

Create a photo negative by inverting all the colors in an image.

Adjust the brightness and contrast of an image with live preview.

Pixelate an image or censor part of it with an adjustable block size.

Crop an image into a circle with a transparent background.

Add a solid colored border or frame around any image.

Convert an image to a Base64 data URI for embedding in HTML or CSS.

Decode a Base64 data URI back into a downloadable image.

Pick the exact color of any pixel in an image and get its hex and RGB.

Boost the color saturation of a photo to make it more vivid.

Give a photo a warm, faded retro look in one click.

Rotate the hue of an image to shift all its colors with a live preview.

Extract the audio track from an MP4 video and save it as an MP3 file.

Reduce a video's file size with adjustable compression levels, right in your browser.

Cut a video down to an exact start time and duration, without re-encoding.

Rotate a video 90°, 180°, or 270° to fix sideways or upside-down footage.

Convert a clip from any video into an animated GIF, with adjustable frame rate and size.

Convert audio between MP3, WAV, AAC, and OGG formats, right in your browser.

Reduce an audio file's size by re-encoding at a lower bitrate you control.

Cut an audio file down to an exact start time and duration, quickly and precisely.

Format, validate, and minify JSON instantly in your browser.

Format, validate, and minify XML instantly in your browser.

Generate random, cryptographically secure UUID v4 identifiers in bulk.

Encode text to Base64 or decode Base64 back to plain text, with full unicode support.

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text.

Percent-encode or decode URLs and query string parameters instantly.

Decode percent-encoded URLs and query strings back to readable text.

Escape text to safe HTML entities, or decode HTML entities back to plain text.

Generate strong, random passwords with customizable length and character sets.

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

Decode a JSON Web Token's header and payload to inspect its claims.

Create a signed HS256 JSON Web Token from a JSON payload and secret.

Test regular expressions against sample text with live match highlighting.

Compare two blocks of text and see exactly what changed, line by line.

Generate placeholder text by word, sentence, or paragraph count.

Convert Unix timestamps to human-readable dates and back, instantly.

Decode a cron expression into plain English and see its next 5 run times.

Convert numbers between binary, octal, decimal and hexadecimal.

Convert a JSON array of objects into CSV with a header row.

Convert CSV data with headers into a JSON array of objects.

Minify CSS by stripping comments, whitespace and empty rules.

Minify JSON to a single compact line, validating it along the way.

Generate sortable ULIDs and decode the timestamp inside any ULID.

Encode text to Base32 and decode Base32 back to text (RFC 4648).

Calculate network, broadcast, host range and mask for any IPv4 CIDR.

Search and reference every HTTP status code with plain-English meanings.

Look up the MIME type for any file extension, or find extensions for a MIME type.

Convert text to binary (and binary back to text) using UTF-8 bytes.

Escape text into a JSON string literal, or unescape a JSON string back to text.

Parse a URL query string into readable key-value pairs and JSON.

Compress SQL onto one line, stripping comments and extra whitespace.

Searchable ASCII table with decimal, hex and character for all 128 codes.

Alphabetically sort the keys of a JSON object, recursively and deeply.

Generate TypeScript interfaces from a JSON object or API response.

Build Unix file permissions and get the octal and symbolic chmod values.

Encode and decode Base58 text — the format used by Bitcoin and IPFS.

Convert XML into readable JSON, handling attributes and nested elements.

Convert CSV data into a formatted Markdown table.

Minify HTML by removing comments and collapsing whitespace.

Convert a JSON object into formatted XML.

Convert text to hexadecimal and hex back to text using UTF-8.

Encode and decode URL-safe Base64 (Base64URL) used in JWTs and URLs.

Generate random, valid MAC addresses in your choice of format.

Generate random IPv4 and IPv6 addresses for testing.

Calculate your monthly loan installment (EMI), total interest, and total repayment.

Calculate monthly payments and see a year-by-year balance schedule for any loan.

Estimate your monthly mortgage payment from home price, down payment, rate, and term.

Add or remove GST from an amount at any tax rate, instantly.

Add or remove VAT from a price at any rate, for invoicing or budgeting.

Calculate percentages three ways: X% of Y, what percent X is of Y, and percentage change.

Calculate the final price and savings for any percentage-off discount.

Calculate profit, margin percentage, and markup percentage from cost and revenue.

Calculate return on investment as a total percentage and an annualized rate.

Project the future value of a recurring monthly investment with compound growth.

Calculate future value and total interest earned with compound growth at any frequency.

Project your retirement savings growth from current savings and monthly contributions.

Convert an annual salary into hourly, daily, weekly, and monthly pay based on your schedule.

Calculate progressive income tax with fully customizable tax brackets.

Calculate the tip, total bill and per-person share for any tip percentage.

Find how many units you must sell to cover fixed and variable costs.

Calculate selling price and profit from cost and markup percentage.

Calculate the compound annual growth rate between a starting and ending value.

See what today's money will be worth — and what things will cost — after years of inflation.

Calculate simple interest and total amount on a principal over time.

Calculate fixed deposit maturity amount with quarterly compounding.

Calculate recurring deposit maturity value from monthly deposits.

Project your Public Provident Fund balance over 15+ years of yearly deposits.

Project the future value of a one-time investment at an expected annual return.

Convert an hourly rate into weekly, monthly and annual salary equivalents.

Find the monthly saving needed to reach a target amount by a deadline.

See how long a debt takes to clear at a given monthly payment, and what interest costs.

Calculate your new average share price after buying more of the same stock.

Calculate dividend yield and annual dividend income for any holding.

Calculate the down payment amount and resulting loan for any home price.

Project the future value of savings with an initial amount plus monthly contributions.

Calculate Net Present Value of a series of future cash flows.

Estimate how many years it takes an investment to double at a given rate.

Estimate your gratuity payout under the Indian Payment of Gratuity Act.

Calculate your monthly car payment, total interest and total cost.

Calculate total pay including overtime at time-and-a-half or any multiplier.

Calculate your new salary after a percentage raise, or the percentage of a raise.

Calculate the annual percentage yield from a nominal rate and compounding frequency.

Calculate what a future sum of money is worth in today's terms.

Find how much rent you can afford based on your income.

Estimate the home price you can afford based on income and down payment.

Calculate your net worth by subtracting liabilities from assets.

Split your income into needs, wants and savings with the 50/30/20 rule.

Add sales tax to a price, or find the pre-tax price from a total.

Calculate commission earned and take-home from a sale amount and rate.

Calculate how big an emergency fund you need for your expenses.

Calculate monthly student loan payments and total interest.

Convert a profit margin percentage to the equivalent markup, and back.

Work out the hourly rate you need to hit a target annual income.

See your minimum payment and how much of it is just interest.

Calculate profit or loss percentage from buy and sell prices.

Generate title, description, keywords, and canonical meta tags with live length counters.

Generate valid JSON-LD structured data for Article, Product, FAQ, and more.

Generate Open Graph and Twitter Card meta tags with a live social preview.

Preview how your page will look in Google search results before you publish.

Generate a valid robots.txt file with custom disallow rules and a sitemap reference.

Generate a valid sitemap.xml file from a list of URLs, ready to upload.

Check any page's canonical tag and whether it's self-referencing or points elsewhere.

Check how often a target keyword appears in your content, plus top word frequency.

Trace a URL's full redirect chain and see every hop's HTTP status code.

Build campaign-tagged URLs with UTM parameters for analytics tracking.

Turn a title into a clean, SEO-friendly URL slug.

Estimate ad spend, revenue and ROAS from clicks, CPC and conversion rate.

Generate hreflang link tags for multilingual and multi-regional pages.

Score your text's readability with Flesch reading-ease and grade level.

Generate Twitter/X card meta tags for rich link previews.

Mix two lists of keywords into every combination for PPC and SEO research.

Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.

Convert between milligrams, grams, kilograms, tons, ounces, pounds, and stone.

Convert between Celsius, Fahrenheit, and Kelvin instantly and accurately.

Convert between world currencies using live, daily-updated exchange rates.

Convert between square meters, hectares, acres, square feet, and more.

Convert between milliliters, liters, cubic meters, cups, pints, quarts, and gallons.

Convert between km/h, mph, m/s, knots, and feet per second.

Convert between pascals, bar, atmospheres, PSI, and mmHg.

Convert between watts, kilowatts, horsepower, and BTU per hour.

Convert between joules, calories, kilocalories, watt-hours, kilowatt-hours, and BTU.

Convert between newton-meters, pound-feet, pound-inches, and kilogram-force meters.

Convert between bytes, KB, MB, GB, TB and their binary KiB/MiB/GiB equivalents.

Convert between Mbps, Gbps, MB/s and other bandwidth units.

Convert between milliseconds, seconds, minutes, hours, days, weeks and years.

Convert between hertz, kilohertz, megahertz, gigahertz and RPM.

Convert between degrees, radians, gradians, arcminutes, arcseconds and turns.

Convert between kg/m³, g/cm³, lb/ft³ and other density units.

Convert between newtons, kilonewtons, pounds-force, kilograms-force and dynes.

Convert between m/s², ft/s², g-force and km/h per second.

Convert between MPG (US/UK), km/L and L/100km fuel efficiency units.

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

Spell out any number in English words — for cheques, contracts and more.

Convert a decimal number to its simplest fraction, including repeating decimals.

Convert a fraction or mixed number to its decimal value.

Convert between standard numbers and scientific (E) notation.

Convert shoe sizes between US, UK, EU and centimeters.

Convert between lux, foot-candles, phot and other illuminance units.

Convert volumetric flow between L/min, m³/h, GPM, CFM and more.

Convert dynamic viscosity between Pa·s, poise and centipoise.

Convert between px, pt, em, rem, pica, inches and mm for CSS and print.

Convert between volts, millivolts, microvolts, kilovolts and megavolts.

Convert between amperes, milliamperes, microamperes and kiloamperes.

Convert between ohms, milliohms, kilohms and megohms.

Convert between farads, microfarads, nanofarads and picofarads.

Convert between henries, millihenries and microhenries.

Convert magnetic flux density between tesla, millitesla, microtesla and gauss.

Convert radiation dose between sievert, millisievert, microsievert and rem.

Convert cooking measurements: cups, tablespoons, teaspoons, ml, sticks of butter.

Convert radioactivity between becquerel, curie and their multiples.

Convert angular velocity between rad/s, deg/s, RPM and RPS.

Convert mass flow between kg/s, kg/h, g/s, lb/s and tons/hour.

Convert luminance between cd/m² (nits), stilb, lambert and foot-lambert.

Convert thermal conductivity between W/(m·K), BTU/(h·ft·°F) and more.

Convert specific heat capacity between J/(kg·K), cal/(g·°C) and BTU units.

Convert surface tension between N/m, mN/m, dyn/cm and lbf/ft.

Convert molar concentration between mol/L, mmol/L, µmol/L and mol/m³.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Count words, characters, sentences, and paragraphs, with estimated reading time.

Count characters against common limits like tweets, SMS, and meta descriptions.

Strip duplicate lines from a list while preserving the original order.

Sort a list of lines alphabetically or numerically, ascending or descending.

Generate random English word salad by word, sentence, or paragraph count, for test data.

Reverse text by character, word order, or line order.

Collapse repeated spaces, tabs, and blank lines into clean, consistent whitespace.

Find every occurrence of a word or phrase in text and replace it instantly.

Strip line breaks from text, joining lines into flowing paragraphs.

Prefix every line of text with sequential line numbers.

Repeat any text a chosen number of times with a custom separator.

Flip your text upside down using Unicode look-alike characters.

Convert text into tiny small-caps or superscript Unicode letters.

Convert text to 𝐛𝐨𝐥𝐝, 𝑖𝑡𝑎𝑙𝑖𝑐, 𝓈𝒸𝓇𝒾𝓅𝓉 and other Unicode font styles.

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

Count how often each word appears in your text, ranked by frequency.

Check whether a word, phrase or sentence reads the same backwards.

Extract every email address from a block of text, deduplicated.

Extract all links and URLs from any block of text.

Pull every number out of a block of text, one per line.

Randomly shuffle the order of lines in a list or text.

Spell out any text in the NATO phonetic alphabet — Alfa, Bravo, Charlie.

Encode and decode text with ROT13 or a custom Caesar cipher shift.

Strip all emoji and pictographic symbols from text, leaving clean words.

Create s̶t̶r̶i̶k̶e̶t̶h̶r̶o̶u̶g̶h̶ text that works in bios and messages.

Turn text into ⓑⓤⓑⓑⓛⓔ letters enclosed in circles.

Create creepy, glitchy Z̸̢͝a̷l̴g̷o̶ text with adjustable intensity.

Translate English text into Pig Latin (Ellohay Orldway!).

Convert text to aLtErNaTiNg CaSe — the mocking SpongeBob meme style.

Convert text to ｆｕｌｌｗｉｄｔｈ vaporwave-style aesthetic letters.

Strip all punctuation marks from text, leaving words and numbers.

Delete all digits from text, keeping words and punctuation.

Extract all hashtags from a block of text or a social media caption.

Convert accented characters to plain ASCII (café → cafe).

Count the vowels, consonants, letters and words in your text.

Extract the list of unique words from text, removing duplicates.

Reverse the letters within each word while keeping word order.

Delete empty and whitespace-only lines from text.

Swap the case of every letter — uppercase becomes lowercase and vice versa.

Strip HTML tags from text, leaving just the readable content.

Convert groups of spaces into tab characters for indentation.

Convert tab characters into spaces for consistent indentation.

Convert a list (one item per line) into a comma-separated line.

Convert a comma-separated line into a list with one item per line.

Convert text to sentence case — capitalize the first letter of each sentence.

Sort all the words in your text into alphabetical order.

Find the exact difference between two dates, or add/subtract days from a date.

Calculate exact age in years, months, and days from a date of birth.

Convert a date and time across major world timezones simultaneously.

Find what day of the week any date falls on, plus its day and week number of the year.

See the live Unix timestamp now in seconds and milliseconds.

Count down to any date and time — days, hours, minutes and seconds remaining.

Count working days (weekdays) between two dates, excluding weekends.

Find the ISO 8601 week number for any date, and the date range of a week.

Calculate the exact duration between two times or date-times.

Check whether any year is a leap year and see upcoming leap years.

Find your western zodiac sign and Chinese zodiac animal from your birth date.

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

Count down the days, weeks and months until any future date.

Find which numbered day of the year a date is, and days remaining.

Count down the days to your next birthday and see the day of the week.

Find which calendar quarter (Q1–Q4) a date falls in and its date range.

See how long ago a past date and time was, in a human-friendly format.

Convert colors between HEX, RGB, HSL, and CMYK instantly with a visual picker.

Generate complementary, analogous, triadic, and monochromatic palettes from any color.

Check text/background color contrast against WCAG AA and AAA accessibility standards.

Generate complementary, analogous, triadic and other harmonies from a base color.

Generate lighter tints and darker shades of any color for a full ramp.

Convert a hex color code to RGB and rgba() values instantly.

Convert RGB color values to a hex color code with a live preview.

Find the closest CSS named color for any hex value.

Convert between HSV (HSB), RGB and hex color values.

Design a linear CSS gradient visually and copy the code.

Generate random colors with hex, RGB and HSL values for inspiration.

See how a color appears to people with different types of color blindness.

Blend two colors at any ratio and get the resulting hex code.

Convert a Kelvin color temperature to its approximate RGB/hex color.

Generate a downloadable QR code from any text or URL, with adjustable size and error correction.

Generate one or many random numbers in any range, with an optional unique (lottery-style) mode.

Roll virtual dice (d4 through d100) for tabletop games, with instant totals.

Calculate your Body Mass Index and see the healthy-weight category.

Estimate how long text takes to read (and to speak aloud).

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

Randomly pick a winner from a list of names or options.

Flip a virtual coin — one toss or many, with running heads/tails totals.

A precise online stopwatch with lap times, start, stop and reset.

Focus with the Pomodoro technique — 25-minute work sprints and short breaks.

A simple click counter for counting people, reps, inventory or anything.

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

Split a list of names into random, evenly-sized teams or groups.

Get a random yes or no answer to help settle a decision.

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

Estimate your daily calorie needs (BMR and TDEE) for maintenance, loss or gain.

Estimate how much water you should drink a day based on weight and activity.

Calculate your running pace per km and per mile from distance and time.

Estimate a healthy weight range for your height using established formulas.

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

Calculate the running cost of an appliance from its wattage and usage.

Calculate a new width or height that preserves an aspect ratio.

A fun love-compatibility score based on two names.

Generate catchy, available-looking usernames by combining words.

Generate random lottery numbers for any pick-and-range format.

Ask a yes/no question and get a classic Magic 8 Ball answer.

See how old you'd be on Mercury, Mars, Jupiter and every other planet.

Turn a score out of a total into a percentage and letter grade.

Find the score you need on your final exam to hit a target grade.

Generate random letters of the alphabet for games and prompts.

Generate random emoji for prompts, games and creative sparks.

Instantly see your screen resolution, viewport size and pixel ratio.