Generators

Free online generators that run in your browser: UUIDs, hashes, placeholder text, random numbers and strong passwords. Nothing you generate is sent anywhere or stored.

QR codes and barcodes

QR Code Generator Free QR code generator. Turn a link, text or Wi-Fi details into a QR code in your browser, pick the error correction and colours, and download it as PNG or SVG. Nothing is uploaded.
Wi-Fi QR Code Generator Free Wi-Fi QR code generator. Put your network name and password into a QR code that connects a phone with one scan, no typing. Everything happens in your browser — the password is never sent anywhere.
vCard QR Code Generator Free vCard QR code generator. Turn your contact details into a QR code that adds you to someone's address book in one scan. Made in your browser and never uploaded — put it on a business card, a signature or a badge.
Pix QR Code Generator Free Pix QR code generator. Create a static Pix QR code and the Pix copy-and-paste code for any key, with or without an amount, right in your browser. Nothing is uploaded.
QR Code Scanner Free online QR code scanner: read a QR code or barcode from an image, a screenshot or your camera, and see where a link really goes. Nothing is uploaded.
Barcode Generator Free barcode generator: create EAN-13, UPC-A, EAN-8, UPC-E, ISBN, Code 128, GS1-128, Code 39 and ITF-14 barcodes with the check digit, as PNG or SVG.

Passwords and random

Password Generator Free online password generator. Create strong, random, secure passwords with custom length, numbers, symbols and letters — nothing ever leaves your browser.
Password Strength Checker Check how strong a password is and get concrete ways to improve it. The password is analysed inside your browser and never leaves your device.
Random Numbers Generator Free online random number generator. Choose min, max, step and list length to instantly generate random numbers in your browser. Nothing is sent to a server.
Wheel of Names Spin a wheel of names online to pick a random winner: fair draw, remove the winner, draw several at once and full screen for the classroom. Free, no sign-up.
Random Team Generator Split a list of names into random teams: choose the number of teams or the people per team. Fair, balanced team sizes, copy the result. Free and no sign-up.
Dice Roller Roll virtual dice online: d4, d6, d8, d10, d12, d20, d100 or any number of faces, up to 20 dice at once, with the total and history and a truly random result.
Flip a Coin Flip a coin online for heads or tails with a fair 50/50 result, see the count and streaks, or flip 10, 100 or 1,000 coins at once to see how chance evens out.

Business documents

Resume Builder Free resume builder: fill in your experience, education and skills, pick a clean template and download your resume as PDF or Word. No sign-up, no watermark.
Invoice Generator Create a professional invoice for free and download it as PDF or Word: logo, items, discounts, taxes and totals in your currency, without signing up.
Receipt Generator Make a payment receipt for free and download it as PDF or Word, with your logo, the items paid, taxes and the total in your currency, without signing up.
Quote Generator Create a price quote or estimate for free and download it as PDF or Word, with your logo, items, discounts, taxes, validity date and total in your currency.

Signatures

Signature Generator Free signature generator: type your name, pick one of 20+ handwriting styles and download a transparent PNG to sign documents, PDFs and contracts.
Draw Signature Online Draw your signature online with a mouse, finger or stylus, with natural pen strokes, and download it as a transparent PNG or SVG. Free, nothing uploaded.
Transparent Signature Maker Make your signature transparent: upload a photo or scan of your signature on paper and get a clean PNG with no background, even with shadows. Free.
Email Signature Generator Free email signature generator for Gmail, Outlook and Apple Mail: four layouts, photo, logo, social links and a button. Copy and paste, no sign-up.

ID Number Validators and Generators

ID Number Validators and Generators Validate and generate test numbers for 13 documents: CPF, CNPJ, CURP, RFC, RUT, NIT, CUIT, RUC, DNI/NIE, NIF, Chinese ID, TC Kimlik and NIK.
CPF Generator and Validator Validate a Brazilian CPF and generate valid CPF numbers for testing, with the check digits and the tax region. Free, in your browser, nothing is sent.
CNPJ Generator and Validator Validate a Brazilian CNPJ, including the new alphanumeric CNPJ, and generate valid CNPJ numbers for testing. Shows head office or branch. Free, in your browser.
CURP Validator and Generator Validate a Mexican CURP and generate test CURPs: check digit, date of birth, sex and state of birth. Free and in your browser; nothing is sent.
RFC Validator and Generator Validate a Mexican RFC (individuals and companies) with its homoclave and check digit, and generate test RFCs. Free, in your browser, nothing is sent.
RUT Validator and Generator (Chile) Validate a Chilean RUT or RUN and calculate its check digit (0–9 or K), and generate valid RUTs for testing. Free and in your browser, nothing is sent.
NIT Check Digit Calculator (Colombia) Calculate and validate the check digit (DV) of a Colombian NIT, as the DIAN does, and generate valid NITs for testing. Free and in your browser.
CUIT and CUIL Validator (Argentina) Validate an Argentine CUIT or CUIL, check its type and check digit, and generate valid CUITs for testing. Free and in your browser; nothing is sent.
RUC Validator and Generator (Peru) Validate a Peruvian RUC with its check digit, see whether it belongs to a person or a company, and generate valid RUCs for testing. Free, in your browser.
DNI and NIE Letter Validator (Spain) Validate a Spanish DNI or NIE, calculate the letter of any DNI number, and generate valid DNIs and NIEs for testing. Free and in your browser.
NIF Validator and Generator (Portugal) Validate a Portuguese NIF (número de contribuinte), see the type of taxpayer and generate valid NIFs for testing. Free, in your browser, nothing is sent.
Chinese ID Number Validator (身份证) Validate an 18-digit Chinese resident ID number (身份证号码): check digit, date of birth, sex and province, and generate test numbers. Free, in your browser.
TC Kimlik No Validator (Turkey) Validate a Turkish identity number (T.C. Kimlik No) with its two check digits and generate valid numbers for testing. Free and in your browser.
NIK Validator (Indonesia) Check the structure of an Indonesian NIK (KTP number): province, date of birth and sex, and generate NIKs for testing. Free and in your browser.
IBAN Validator and Generator Check an IBAN online: country, length, format and check digits, plus the national account check digits of Spain, France, Italy, Portugal and Belgium.

Wikipedia — UUID
Wikipedia — Cryptographic hash function
Wikipedia — Lorem ipsum
Wikipedia — Random number generation
Wikipedia — QR code
Wikipedia — vCard
Wikipedia — Password strength