QR code reader online: scan from your browser for free
Read QR codes directly in your browser using webcam or by uploading an image. No installation, no tracking, on any computer and phone.
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Guides, tutorials and use cases about QR codes.
How a QR code works inside: technical guide
QR anatomy: modules, finder patterns, masks, Reed-Solomon, and information limits. Everything a QR hides behind the square.
Read →QR error correction: L, M, Q, and H explained
What QR error correction levels are. When to use L, M, Q, or H, how they affect size, and practical tips so reading never fails.
Read →Do QR codes expire? Myths, truths, and the catch
A static QR code lasts forever. What expires is the content or the dynamic-QR subscription. We explain which one suits you and why.
Read →QR code for PayPal, Stripe & payments: international guide
How to create a QR code to get paid with PayPal, Stripe, Wise, Revolut and international methods. Differences with local schemes and when each one fits.
Read →How to add a QR code to an image or photo
Tutorial to put a QR over a photo, flyer, or poster without breaking readability. Sizes, position, free software, and tricks for guaranteed scanning.
Read →QR code with logo: complete tutorial and templates
How to add your logo to the center of a QR code without breaking readability. Sizes, error correction, formats, and tests on iPhone and Android.
Read →How to scan a QR code without an app (iPhone, Android, PC)
Scan any QR code without installing anything. Native iPhone camera, Android Google Lens, laptop webcam. Step-by-step guide and fixes for common errors.
Read →Minimum QR Code Size for Reliable Scanning
How big should a QR code be to scan reliably: the 10:1 rule, recommended sizes by use (business card, flyer, poster, billboard) and common mistakes.
Read →Quishing: What It Is, How It Works, and How to Protect Yourself From QR Code Scams
Quishing or QR phishing: how attackers use QR codes to steal passwords and banking data. Real cases, warning signs and how to protect yourself.
Read →How to Create a vCard QR Code for Your Business Card (Free)
Create a free vCard QR code for your business card. Save your contact details to anyone's phone with a single scan. No app, no signup, no tracking.
Read →WhatsApp QR Code: How to Create One With a Prefilled Message (Free, No App)
How to generate a WhatsApp QR code that opens a chat with your number and a message already typed. Step by step with wa.me, free and no signup.
Read →Spotify QR Code: How to Create the Code for Your Playlist or Song
How to generate a QR code that opens a Spotify playlist, album, or song. For weddings, events, businesses or personalised gifts. Free and no signup.
Read →QR Codes for Retail and Product Pages: Info, Stock, and Traceability
How to use QR codes in retail: extended product pages, demo videos, reviews, stock, instructions, traceability, and after-sale. Practical cases.
Read →QR Codes for Restaurants: How to Create Your Digital Menu Code Step by Step
How to create a QR code for your restaurant menu: where to point it, what size to print it, where to place it, and why a static QR with no subscription is the best option.
Read →How to Create a QR Code for a PDF (Catalogs, Manuals, Quotes)
How to generate a QR code that opens a PDF directly: where to upload it, what URL to use, recommended size, and why a static QR is the best option.
Read →QR Codes for Employee Onboarding and HR: Welcome and Training
How to use QR codes in HR and onboarding: welcome new employees, manuals, training, surveys, and internal communication. Practical cases.
Read →QR Codes for Museums, Audio Guides, and Cultural Spaces
How to use QR codes in museums, exhibitions, and cultural spaces: audio guides, extended labels, multilingual, accessibility, and visitor feedback.
Read →Instagram & Social Media QR Codes: How to Create the One for Your Profile
How to generate a QR code for your Instagram, TikTok, Facebook, or LinkedIn profile. Universal, free, and better than each app's internal nametag.
Read →QR Codes for Real Estate: How to Use Them on Windows, Signs, and Property Listings
How to use QR codes in real estate: property listing, virtual tour, agent vCard, WhatsApp contact, and viewing request form. How to generate them free and forever.
Read →QR Codes for Churches and Parishes: Donations, Bulletins, and Community
How to use QR codes in churches and parishes: digital donations, weekly bulletin, calendar, events, WhatsApp group, and prayers. Real cases.
Read →How to Create a QR Code for Google Reviews and Multiply Your Reviews
How to get the right link so a QR opens Google's review form directly, generate it free, and where to place it so customers actually leave reviews.
Read →QR Codes for Gyms and Fitness Studios: Classes, Bookings, and Routines
How to use QR codes in gyms and fitness studios: class bookings, machine routines, exercise videos, WiFi, and reviews. Practical cases.
Read →QR Codes for Events and Conferences: Badges, Agenda, and Networking
How to use QR codes at events and conferences: vCard badges, digital agenda, check-in, networking, speakers, and feedback. Real cases and common mistakes.
Read →Email QR Code: How to Create One With Prefilled Subject and Body
How to generate a QR code that opens the user's email app with your address, subject, and body already typed. Useful for support, applications, customer service.
Read →Wedding QR Codes: 7 Practical Uses and How to Create Yours for Free
How to use QR codes at your wedding: digital invite, shared photo album, location, RSVP, gift list and playlist. How to generate them free and have them last forever.
Read →Payment QR Codes: PayPal, Venmo, Cash App, Bank Transfer, and Crypto
How to use QR codes for payments: PayPal.me, Venmo, Cash App, SEPA bank transfers, Bitcoin and other crypto. What works automatically and what doesn't.
Read →QR Codes for App Downloads: How to Create One That Works on iOS and Android
How to generate a QR code so users can download your app. Solutions for linking to the App Store, Play Store, or both with a single QR.
Read →PNG or SVG for Your QR Code: Which Format to Download
QR code PNG vs SVG: when to use each format, quality differences, printing, compatibility and resolution. A clear guide to decide in 1 minute.
Read →Best Free QR Code Generators With No Signup in 2026
Honest comparison of the best free QR code generators with no signup in 2026. Real criteria: actually free, no account, formats, privacy, and QR types.
Read →Are QR Code Generators Tracking You? How to Check in 30 Seconds
What data QR code generators can collect, how to verify if yours leaves your browser, and how to pick one that's actually private and tracker-free.
Read →How to Create a WiFi QR Code Without Installing Any App
Generate a free WiFi QR code right from your browser. No app, no signup, no tracking. Step-by-step tutorial covering SSID, password and encryption.
Read →Static vs Dynamic QR Codes: Which One You Actually Need
Real differences between static and dynamic QR codes: cost, expiry, tracking, privacy and use cases. How to decide in 30 seconds.
Read →Free Alternatives to QR Code Generator (No Paywall, No Signup)
If you've hit the limits of QR Code Generator's free plan, these are the real alternatives: free, no paywall, no signup, and SVG included.
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