Converters, calculators and generators that run right in your browser — your files never leave your device.
Convert HEIC to JPG, to WebP, AVIF, PNG, BMP and ICO, reduce file size and resize — all in the browser.
🔒 Files never leave your device
Convert MP3, WAV, FLAC, MP4, WebM and more — extract audio from video or turn audio into video, all in the browser.
Automatically remove the background from any image and download a transparent PNG — entirely in the browser.
Resize or crop photos for Instagram, Facebook, YouTube and custom dimensions.
Paste a screenshot, highlight with a box, draw, add text, crop and download — like Paint, but online.
Monthly payment, creditworthiness, APR and late-payment interest — all in one wizard.
Bank deposit with tax and compound interest — calculate how much your savings will grow.
Margin and markup, discount and sale price — handy for retailers and bargain hunters.
Convert currencies using live ECB reference rates — EUR, USD, GBP, CHF and more.
Verify an IBAN bank account number (mod-97 algorithm) and format it in groups.
Convert any number or amount into words — with a currency selector (PLN, EUR, USD, GBP).
Check a national personal identification number — pick a country (PESEL, DNI/NIE, fodselsnummer, CPR, HETU, Steuer-ID, NIR).
Check a company or VAT number — pick a country (NIP, SIREN/SIRET, organisasjonsnummer, CVR, Y-tunnus, EU VAT).
Calculate net pay from gross — pick a country (Poland, Germany, France, Spain, Norway, Denmark, Finland). Indicative result.
Create a professional CV in several templates and download it as a PDF.
Create invoices in any currency and language — line items, tax, totals. Download or print.
Convert units of measurement, power, pressure and sizes — all in one wizard.
Scientific calculator, percentages, Roman numerals, number bases and fractions — all in one wizard.
Cooking measures, scale, land area, fuel consumption and running pace — all in one wizard.
Convert colors between HEX, RGB and HSL with a live preview — useful for web and design.
Calculate age, the number of days between dates, and add or subtract days from a date.
Check and convert the current time between cities and time zones worldwide.
BMI, ideal body weight and body fat percentage — all in one wizard.
Calorie needs (BMR/TDEE), macronutrients and daily water intake — all in one wizard.
Training heart rate zones and a blood alcohol level calculator — all in one wizard.
Due date calculator and fertile window / ovulation tracker — all in one wizard.
Merge, split, delete, reorder and rotate PDF pages — all in one wizard, in the browser.
Convert images to PDF and PDF to JPG or PNG images — all in one wizard, in the browser.
Add page numbers, a watermark and compress PDF files — all in one wizard, in the browser.
Sort, clean, find & replace, reverse and transform lines of text — all in one wizard, in the browser.
Count words and characters, check word frequency and estimate reading time — all in one wizard.
Change letter case, naming conventions, generate a slug and remove diacritics — all in one wizard.
Format JSON, convert JSON to CSV and Markdown to HTML — all in one wizard, in the browser.
Generate fancy copy-paste fonts, insert symbols and create Lorem Ipsum placeholder text — all in one wizard.
Create a QR code from a URL, text, Wi-Fi or contact card. Scan QR codes from an image or camera.
Generate strong, random passwords with control over length, digits and special characters.
Generate UUIDs, random emails, numbers and data for application testing.
Create EAN-13, EAN-8, UPC, CODE128, CODE39 and other barcodes — download as PNG or SVG.
Enter participants, spin the wheel and pick a winner. Perfect for giveaways.
Create your own tier list (S, A, B, C…), drag in images and download the finished image.
Test your knowledge: world capitals, geography and trivia. Random questions, instant results.
Guess the hidden word letter by letter before the hangman is drawn. Several categories and difficulty levels.
Classic word game: draw a letter and fill in country, city, plant and more before time runs out.
Flip pairs of matching cards and train your memory. Multiple difficulty levels, move and time counter.
Play Tic-Tac-Toe against the computer or with a friend on the same device.
Flip a coin — heads or tails. Animated online coin toss for a quick decision in one click.
Roll a virtual six-sided die (d6) — one or several dice at once, with total shown. Great for board games.
Pick a random number from any range (e.g. 1 to 100), with options for unique results and multiple numbers at once.
48 tools available