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Age Calculator Enter a birth date and choose the date to calculate against to get exact age in years, months and days — plus total days, weeks, hours, and the next birthday after that date. calc Anagram Solver Enter a word and find every real anagram that rearranges all of its letters, plus shorter sub-anagrams. text Anthropic Color Palette The full Anthropic / Claude brand color palette with names and hex codes — copy any color as HEX/RGB/HSL or export the whole set as CSS, Tailwind, SCSS or JSON. generator Area Converter Type an area into any unit and instantly read it in every other unit at once — metric, imperial, acres, hectares, and East Asian property units (mu, tsubo, ping) on one live page. converter ASCII Converter Convert text to ASCII codes and back, in decimal, hex, binary, or octal, all in one private two-way tool. converter Background Color Finder Paste or fine-tune one color and instantly get a curated set of background colors that go with it — tinted neutrals, soft complements, light and dark options — each scored live for WCAG contrast, with a real preview, one-tap HEX copy, and a CSS-pair copy action. calc Barcode Generator Create scannable barcodes in CODE128, EAN-13, EAN-8, UPC, CODE39 or ITF-14 right in your browser and download them as PNG or SVG. generator Base64 Encode Decode Instantly convert any text to Base64 or decode Base64 back to plain text in your browser, with full Unicode (UTF-8) safety and one-click copy. text BaZi Calculator (Four Pillars of Destiny) Enter your birth date, exact time and birthplace and instantly get your BaZi (Four Pillars of Destiny) chart — the four heavenly-stem-and-earthly-branch pillars, Five Element distribution, Ten Gods, Na Yin and optional Luck Pillars — all computed in your browser with proper true-solar-time correction, then copied with one click so you can paste it into any AI or large language model for the interpretation. calc Big Text Turn a short word into oversized ASCII-art big text you can copy and paste anywhere. generator Bionic Reading Paste any text and instantly bold the leading part of every word to guide your eye through it. text Birth Chart Calculator Enter your birth date, exact time and place and instantly get the computed, astronomically accurate part of a natal chart — every planet's sign and house, your Ascendant and Midheaven, and the major aspects — then copy the whole chart in one tap to hand to ChatGPT or any LLM for the interpretation, because we calculate the sky and leave the reading to you. calc BMI Calculator Enter your height and weight to instantly get your BMI plus the standard WHO weight category, in metric or imperial units. calc BMR Calculator Find your basal metabolic rate (resting calorie burn) from three formulas at once, instantly and privately. calc Body Fat Calculator Estimate your body fat percentage from tape measurements using the U.S. Navy method, with a practical likely range — instantly and privately. calc Business Days Calculator Count the working days between two dates — or add N business days to a date — with configurable weekends and your own holidays, instantly in your browser. calc Business Name Generator Type a keyword and instantly get a batch of brand name ideas you can copy in one tap. generator Bytes to KB MB GB Converter Convert a data size between bytes, KB, MB, GB, TB, and PB instantly — with a binary (1024) vs decimal (1000) switch that explains why your drives look smaller than the label. converter Calorie Calculator Enter your sex, age, height, weight, and activity level to instantly see your daily maintenance calories plus target calories for weight loss and muscle gain. calc Car Payment Calculator Estimate your monthly car payment and total cost from vehicle price, down payment, trade-in, payoff, fees, sales tax, term, and APR. calc Case Converter Paste text and convert it to UPPERCASE, lowercase, Title Case, Sentence case, or aLtErNaTiNg case in one click, then copy the result. converter Cat Name Generator Generate themed cat name ideas, filter by gender, coat, and personality, see why each name fits, star favorites, and copy — all in your browser, no sign-up. generator Celsius To Fahrenheit Type a temperature in either box and instantly read it in both Celsius and Fahrenheit — with a ready-made everyday reference table so you don't even have to type for common temperatures. converter Character Counter Count characters with and without spaces and instantly see how your text measures against Twitter, SMS, and meta-description limits. text Citation Generator Turn source details into a reviewed APA, MLA, or Chicago reference plus a matching in-text citation or short note. generator Cm to Inches Converter Convert centimeters, decimal inches, or common inch fractions live, with decimal, tape-measure fraction, and feet-plus-inches results. converter Coin Flip Tap to flip a virtual coin for an instant fair heads-or-tails result, flip many coins or many rounds at once, and watch a live running tally of how many heads vs tails you've gotten. generator Color Blindness Simulator Simulate images and palettes across graded color-vision deficiency, then find the closest color pair under each condition — entirely in your browser. generator Color Namer Paste, pick, or eyedrop any color and instantly learn its real name, color family, and the vocabulary to describe it. calc Color Names Browse a gallery of 4,930 named colors grouped by family (reds, oranges, greens, teals, blues, purples...), tap any swatch to copy its hex, and learn the vocabulary behind the names. calc Color Palette Generator Pick one base color and instantly get six color-theory schemes (complementary, analogous, triadic, split-complementary, tetradic, monochromatic) with one-tap HEX / RGB / HSL copy. generator Color Picker Pick any color and instantly get its HEX, RGB, HSL, HSV and alpha values, each with one-tap copy. generator Color Picker From Image Upload or paste any image, click a pixel, and instantly get its HEX/RGB/HSL value, the name of that color, and an auto-extracted palette — all in your browser, image never uploaded. calc Compound Interest Calculator Enter a starting amount, optional regular contributions, an interest rate, and a time horizon to instantly get your future value, total contributions, total interest earned, and a year-by-year growth breakdown. calc Contrast Checker Check the exact WCAG contrast ratio, get text and UI/graphics verdicts, and apply the smallest lightness-only foreground or background repair when a pair fails. calc Countdown Timer Set any future date and instantly get a live, full-screen countdown in days, hours, minutes and seconds — with a shareable link. calc Cron Expression Explainer Paste a cron expression and instantly get a plain-English description plus the next run times — no signup, computed entirely in your browser. text CSS Generator Pick one color, see it styled live on a 16:9 page mock, fine-tune every element, verify strict WCAG AA text contrast, then copy the CSS or an exact-state share link for your LLM or teammate. generator CSS Gradient Generator Build a linear or radial CSS gradient, preview it live, and copy ready-to-paste background CSS. generator CSS Minifier Paste CSS and instantly minify it for production or beautify it for reading — with the exact byte count and percentage saved, all in your browser. text Current Time Your exact local time right now in one giant old-school flip-clock, with today's date and weekday below and a fixed row of major-city times underneath — just look and go. network Date Difference Calculator Pick a start and end date to see the gap as years, months and days plus total days, weeks and hours — with an include-end-day toggle and a business-days-only count. calc Days Until Date Calculator Pick any date and instantly see the days until (or days ago), plus weeks, weekdays only, months, and a live countdown. calc Delete PDF Pages Remove specific pages or page ranges from a PDF entirely in your browser — your file is never uploaded. converter Dice Roller Roll RPG dice with modifiers, keep/drop notation, one-tap advantage or disadvantage, and a private history that shows every kept and dropped face. generator Discount Calculator Enter an original price and a discount percentage to instantly see the final sale price and exactly how much money you save. calc Dog Name Generator Generate dog and puppy name ideas by style, gender, size, energy, and coat, then copy a shortlist with why-it-fits notes and training-friendly call tags. generator Dragonborn Name Generator Instantly roll batches of D&D dragonborn child names and clan (family) names by gender, fully in your browser. generator Due Date Calculator Estimate your pregnancy due date, gestational week, and trimester from your last period, conception date, or IVF transfer — instantly and privately in your browser. calc Elf Name Generator Generate elegant, flowing elf names in three styles (high elf, wood elf, dark elf), pick a gender lean, add an optional house surname, and copy — all in your browser, no sign-up. generator Emoji Remover Paste text or load a TXT/CSV, strip complete emoji sequences without deleting text-presentation symbols, review what changed, then copy or download the clean result. text EXIF Viewer See every piece of EXIF metadata in a photo — including GPS location — and remove it with one click, entirely in your browser. converter Face Shape Detector Upload a photo and get a best-guess face shape (oval, round, square, heart, oblong, or diamond) plus hairstyle, glasses, and makeup tips that flatter it — analyzed entirely in your browser so the photo never leaves your phone. generator Fake Name Generator Generate complete placeholder identities with reserved test contacts, then copy Text/JSON or download CSV. generator Fancy Text Generator Type once and instantly get your text in 18+ copy-paste Unicode styles — bold, italic, cursive, bubble, strikethrough, zalgo and more. generator Find and Replace Text Swap a word, phrase, or regex pattern across an entire block of text at once, with a live match count and one-click copy. text Fraction Calculator Add, subtract, multiply, or divide two fractions and instantly get the answer in lowest terms, as a mixed number, and as a decimal, with the steps shown. calc GPA Calculator Add your courses, pick a letter grade and credit hours for each, and instantly see your weighted GPA, total credits, and an optional new cumulative GPA on the standard US 4.0 scale. calc Grade Calculator Add up your weighted assignment and exam scores to get your current class percentage, and find out exactly what you need on the final to hit your target grade. calc Grayscale Image Convert any color image to grayscale right in your browser — the file never leaves your device. converter Hacker Typer Mash any keys (or tap on mobile) and watch realistic-looking code stream across a fake terminal — a harmless hacking-screen prank. generator Hash Generator Type or drop a file and instantly get its MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes — all computed in your browser, nothing uploaded. text Height Comparison See how two or more heights stack up, drawn to scale side by side, with instant cm and feet-and-inches. generator HEX to RGB Converter Paste a HEX, RGB, or HSL value and get the other two formats live in the same view, plus the color's nearest real name. converter Hours Calculator Add up your worked hours from clock-in and clock-out times — including multiple shifts, breaks, overnight spans, and optional pay. calc HTML Formatter Paste HTML and instantly beautify it with clean indentation or minify it to the smallest size — with before/after byte savings, all in your browser. text HTML to Markdown Paste HTML and instantly get clean, structure-preserving Markdown you can copy or download — converted entirely in your browser. converter Ideal Weight Calculator See your ideal body weight from four classic formulas at once, side by side, plus a BMI-based healthy range. calc Image Compressor Shrink a JPG, PNG, or WebP in your browser with a quality slider and see the before-and-after size instantly. converter Image Cropper Crop any image to a precise area or fixed aspect ratio right in your browser, with touch-friendly drag handles and no upload. converter Image Resizer Resize any image by exact pixels or percentage, with aspect ratio lock, entirely in your browser. converter Image to Base64 Drop an image and instantly get its Base64 data URI plus copy-paste CSS, HTML, and Markdown snippets — all in your browser. converter Image to Favicon Turn any image into a full set of favicon files — multiple PNG sizes, a multi-resolution .ico, plus the ready-to-paste HTML — entirely in your browser. converter Image Watermark Add a text or logo watermark to any image right in your browser — your photo is never uploaded. converter IPv4 vs IPv6 See whether your connection is using IPv4 or IPv6 right now, and read a clear side-by-side comparison of the two protocols on one page. network IRR Calculator Solve a single-cash-flow IRR (fill any three of investment, exit value, multiple, years or rate and get the fourth) and, in the same page, layer on a hurdle rate (simple or compound) and a full GP carry waterfall with optional catch-up to see exactly how the profit splits between LPs and the GP. calc JPG to PDF Turn JPG, PNG and other images into one tidy PDF — done entirely in your browser, so your photos are never uploaded. converter JPG to PNG Converter Convert a JPG to a lossless PNG right in your browser — the image is never uploaded. converter JSON Formatter Paste messy or minified JSON and instantly get it beautified, validated with the exact error line, or minified — all in your browser. text JSON to CSV Converter Paste a JSON array, get a clean CSV table you can download or copy in one second — and convert it back the other way too. text JWT Decoder Paste a JWT and instantly read its header and payload as formatted JSON, with expiry/issued-at timestamps turned into human-readable dates — all decoded in your browser, never uploaded. text Kg to Lbs Type a kilogram or pound value and instantly see the exact conversion both ways, with a ready-made reference table. converter Km to Miles Converter Type a distance in kilometers or miles and instantly read it in the other unit, both directions, on one page. converter Leo's Font System Copy Leo's typography brief, inspect each preferred font in context, and use the exact font roles for web pages, videos, subtitles, quotes, signatures, and body text. generator Leo's Visual Palette Copy Leo's complete visual palette brief, or copy each color by hex value and full role sentence for design handoff and AI prompts. generator Link Extractor Paste any text or HTML and instantly get a clean, de-duplicated list of every link in it — all in your browser. text Loan Calculator Enter loan amount, interest rate, and term to instantly see your monthly payment, total interest, total repaid, and a full month-by-month amortization schedule. calc Lorem Ipsum Generator Generate placeholder 'Lorem ipsum' text by paragraphs, sentences, or words in your browser — with an optional HTML wrap and one-tap copy, no API, no sign-up. generator Lottery Number Generator Generate random, valid quick-pick lottery numbers for the major games, Keno / Pick 10, or any custom lottery in one click. generator Macro Calculator Turns your stats and goal into daily calories plus exact protein, carb, and fat grams. calc Markdown to HTML Paste Markdown and instantly get a live HTML preview plus the raw HTML source, ready to copy or download — all in your browser. converter Meme Generator Caption your own image in the classic white Impact font with a black outline and download a watermark-free meme PNG, entirely in your browser. generator Merge PDF Combine several PDFs into one ordered document — entirely in your browser, so your files never leave your device. converter Morse Code Translator Translate text to Morse code and Morse code back to text on one screen, then play it as audible beeps and a flashing light. converter Mortgage Calculator Enter home price, down payment, term, and rate to instantly see your full monthly PITI payment, total interest, total cost, and amortization breakdown. calc Number Base Converter Type a number in any base (binary, octal, decimal, hex, or any base 2-36) and instantly see it in every other base, all on one screen. converter Numerology Calculator Enter your birth date and full name to instantly get all five core numerology numbers — Life Path, Expression/Destiny, Soul Urge, Personality and Birthday — calculated with the standard Pythagorean rules, then copy them to an AI for your own reading. calc Online Notepad A distraction-free notepad that auto-saves every keystroke to your browser, so notes persist with no login and no server. text Online Stopwatch Start, stop, and record lap splits with millisecond, drift-free precision — right in your browser, no app, no signup. calc Online Timer Set a timer for any number of minutes and seconds, get a loud in-page alarm when it ends, and keep an eye on the countdown right in your browser tab even after you switch away. calc Orc Name Generator Generate brutal, guttural orc names — male warrior, female warrior, or clan / war-band names — with an optional clan suffix, and copy any result in one tap, all in your browser with no sign-up. generator Pace Calculator Solve for running pace, time, or distance from the other two — with speed in km/h and mph, race presets, and both km and miles. calc Passphrase Generator Tap to get a strong, memorable multi-word passphrase (diceware / xkcd style) with an honest entropy meter and one-tap copy — pure client-side, nothing leaves your browser. generator Password Generator Generate a strong, truly random password in your browser with a length slider and character toggles — nothing is sent to any server, no sign-up. generator PDF to JPG Turn each page of a PDF into a JPG or PNG image — rendered right in your browser, so your file is never uploaded. converter PDF Tools A small, themed set of free PDF tools that do their whole job inside your browser — your files never leave your device, no upload, no signup, no watermark. converter Percentage Calculator Solve any percentage question in one place — what is X% of Y, what percent X is of Y, and the percent change from one number to another — with results that update live as you type. calc Phone Number Generator Generate fake but valid-format phone numbers per country (with reserved fictional ranges) for QA and form testing. generator PIN Generator Generate a random, crypto-secure PIN code (4/6/8 digits) that avoids easy-to-guess patterns — all in your browser. generator Pixelate Image Pixelate a whole image or censor just a selected area in your browser — your file never leaves your device. converter PNG to JPG Converter Convert a PNG to JPG in your browser, choosing the background color that replaces transparency and the JPEG quality. converter QR Code Generator Turn a link or text into a downloadable QR code in your browser — pick colors, error correction and size, then download PNG or SVG with no signup, no watermark and no expiry. generator Random Color Generator Roll a random color or a palette of up to 10, each with HEX, RGB, and HSL — lock the keepers and re-roll the rest. generator Random List Shuffler Paste any list and shuffle it into a fair random order in one tap — fully in your browser. generator Random Number Generator Pick a min and max, choose how many numbers you want, and instantly generate random integers (or decimals) — with an optional 'no repeats' mode for fair draws — all in your browser. generator Random Team Generator Paste a list of names and split them into fair, evenly balanced random teams in one tap. generator Random Word Generator Generate random English words instantly, with filters for length, starting letter, and no-repeat picks. generator Readability Checker Paste any English text and instantly see its reading-ease score, grade level, and what to fix to make it easier to read. text Reading Time Calculator Paste your text (or enter a word count) and instantly see how long it takes to read at slow, average, or fast speed — plus a separate speaking time for reading it aloud. text Regex Tester Type a regular expression and sample text to see every match highlighted live, with captured groups and flags, without leaving the page. text Remove Duplicate Lines Paste text and instantly get it back with duplicate lines removed — case and whitespace options, keep first or last, plus a live in/unique/removed count. text Remove Line Breaks Strip or merge unwanted line breaks so text copied from PDFs and emails flows as clean paragraphs again, then copy the fixed result. text Reorder PDF Pages Rearrange the pages of a PDF into any order — drag them or type the new sequence, then download — all in your browser. converter Repeat Text Paste any text, set how many times to repeat it, and instantly get the full repeated output — with optional separators, line numbering, and a live character/line count, all in your browser. text Retirement Calculator See how your savings compound to retirement, whether you hit your target, and how many years the pot can fund — all in one screen. calc Reverse Text Reverse text four ways — flip characters, flip word order, mirror each line, or invert line order — with Unicode-safe results you can copy instantly. text Roman Numeral Converter Convert any number to Roman numerals and back instantly, both directions, including years and dates, right in your browser. converter Rotate & Flip Image Rotate an image by 90° or any custom angle and flip it horizontally or vertically, then download it — all in your browser. converter Rotate PDF Turn sideways or upside-down PDF pages the right way up — all pages at once or page by page — entirely in your browser. converter Sales Tax Calculator Add sales tax to a price or reverse it out of a tax-inclusive total to find the pre-tax price and tax portion, instantly. calc Savings Calculator Find out how long it takes to hit a savings goal — or how much to save each month to hit it by a deadline — with compound interest. calc Scrabble Word Finder Enter your rack letters (blank tiles allowed) and get every playable word ranked by Scrabble point value. text Shades, Tints & Tones Generator Turn one base color into full shades, tints, and tones scales you can copy in a tap. generator Sleep Calculator Pick a wake-up time to see the best bedtimes, or go to bed now to see the best alarm times — built around 90-minute sleep cycles and the time it takes to fall asleep. calc Sort Text Lines Paste lines and sort them instantly — A→Z or Z→A, with case-insensitive and natural numeric ordering, plus options to remove blank lines and duplicates. text Special Character Remover Paste text and strip the punctuation, symbols, and emoji you do not want — with per-category toggles, a custom whitelist/blacklist, and a live preview, all in your browser. text Split PDF Extract page ranges from a PDF or split it into one file per page, entirely in your browser — your file is never uploaded. converter SQL Formatter Paste messy SQL and instantly get it beautified with consistent indentation and keyword casing, for the dialect you actually use — all in your browser. text Square Footage Calculator Measure rooms of any shape, add them into one total, convert sq ft to sq m, and estimate material cost — instantly and privately. calc Subtitle To Text Drop in an SRT, VTT, ASS, or SBV subtitle file and instantly get clean plain text with every timestamp, sequence number, and tag stripped out — no upload, no sign-up. text TDEE Calculator Find your maintenance calories plus fat-loss and muscle-gain targets from age, sex, height, weight, and activity level. calc Text Chunker Drop in a .txt, .md, or .docx file (or paste text) and split it into clean, overlapping chunks sized for any LLM context window, then download them all as a zip — 100% in your browser, nothing uploaded. text Text Diff Checker Paste two blocks of text and instantly see every added, removed, and changed line and word highlighted side by side, all in your browser. text Text Formatter Clean up messy text in one click: collapse double spaces, trim blank lines, normalize full-width to half-width characters, and copy the tidy result. text Text To Slug Turn any title or text into a clean, lowercase, URL-safe slug in one second. converter Time Zone Converter Pick a source time zone and a date/time, then instantly see that exact moment in any number of target time zones side by side — with the offset difference shown. converter Tip Calculator Enter a bill and tip percentage to instantly see the tip amount, the grand total, and exactly how much each person owes when splitting the check. calc Title Case Converter Capitalize any headline correctly in AP, Chicago, APA, or MLA style in one click, keeping small words lowercase like real style guides do. text Tokenizer Paste text and see an estimated token count for GPT and Claude models, computed in your browser with a bundled tokenizer — no API key, no upload. text Typing Speed Test Measure your typing speed (WPM), accuracy and CPM with live feedback in a free, no-sign-up, in-browser typing test. text Unix Timestamp Converter Paste any Unix timestamp (seconds or milliseconds, auto-detected) to instantly see the matching date in your local time and UTC side by side, or pick a date to get the epoch — plus a live ticking current epoch you can copy. converter URL Encoder / Decoder Paste a URL or text and instantly percent-encode or decode it in your browser, switching between full-URL and single-component modes. text URL Shortener Paste a long URL and get a clean short link in one click — no sign-up, no interstitial ad before the redirect, scanned for safety, with an inline QR code and an optional expiry and use limit. network Username Generator Generate a batch of cool, unique usernames in your browser — random, word-based, gamer, professional, or leetspeak — and copy the one you like. generator UUID Generator Generate one or many RFC-compliant UUIDs (v4 by default, with v1 and v7 options) with the exact casing, hyphen, and brace format you need — instantly, in your browser, no API call. generator Warrior Cat Name Generator Generate Clan-style prefix-plus-suffix warrior cat names by rank — kit, apprentice, warrior, or leader. generator WebP Converter Convert images between WebP and PNG/JPG right in your browser, with a quality slider and a live before-and-after size comparison. converter WebRTC IP Leak Test Run a 100% in-browser WebRTC leak test that gathers ICE candidates locally and compares any public IP against your actual exit IP — so it flags a real leak (an address bypassing your VPN) without the false alarm older testers raise for everyone without a VPN. network Week Number Find what week it is today, the ISO 8601 week of any date with its Monday–Sunday range, or convert a year + week back into dates. calc What Is My IP See your public IP from several independent sources at once — IPv4, IPv6, and our own Cloudflare edge — so you can verify a VPN or proxy split-tunnel rule the instant the page loads. network What Is My Screen Resolution Instantly shows your real screen resolution, browser viewport size, and device pixel ratio — and explains the difference so you stop confusing them. network What Is My User Agent Instantly shows your full user agent string and decodes it into a clean, human-readable table of browser, OS, engine and device type. network Wheel Spinner Put your own options on a wheel and spin to pick one at random — a name, number, letter, or yes/no — fair, fast, and free. generator Word Counter Paste or type and instantly see live word, character, sentence, and paragraph counts plus estimated reading time — no upload, no sign-up. text Word Unscrambler Type your jumbled letters and instantly get every valid word you can make from them, grouped by length. text Words to Pages Convert a word count (or pasted text) into an estimated number of pages by font, size, and line spacing — instantly, in your browser. text World Clock See the live, second-by-second current time in any number of cities side by side, with your own time zone auto-detected and pinned on top. calc XML Formatter Paste raw or minified XML and instantly beautify it, check that it is well-formed with the exact error line, or minify it — all in your browser. text Yes or No Generator Tap one button for an instant random Yes or No (optionally Maybe), with history and a running tally. generator