Quick answer: QR Code Generator is a free online tool that lets you create QR codes from any text or URL instantly — customize the size, preview the code, and download it as a PNG. No account or install needed — it runs entirely in your browser, free.
Create QR codes from any text or URL instantly — customize the size, preview the code, and download it as a PNG. Free, no signup.
What is the QR Code Generator?
A QR code is a two-dimensional barcode that any smartphone camera can scan to open a link, share contact details, or trigger an action — no app install needed on modern phones. They are everywhere: restaurant menus, product packaging, Wi-Fi sharing, event tickets, and payment terminals.
This generator turns any text or URL into a scannable QR code right in your browser: type your content, pick a size, and download a crisp PNG for print or screen. The codes use automatic error correction, so they still scan if slightly damaged or partially obscured, and they are generated with a widely-used open-source library — no watermark, no account, no usage limits. For sharing Wi-Fi credentials specifically, there is a dedicated WiFi QR generator that builds the special WIFI: payload format phones understand. Keep URLs short when possible (a URL shortener helps) because less data means a simpler, more reliably scannable pattern. As always, everything happens locally — your links and text are never uploaded. Whether the code ends up on a flyer, a product box, or a presentation slide, it costs nothing and takes seconds.
How to use the QR Code Generator
Type or paste the text or URL you want the QR code to contain.
Choose the image size — larger sizes print more cleanly.
Click Generate QR Code to render the preview.
Scan the preview with your phone to verify it works.
Click Download PNG to save the code for print, slides, or packaging.
QR Code Generator use cases
Marketing materials
Put scannable links on flyers, business cards, and posters that bridge print to your website. One scan takes a prospect from paper to landing page with zero typing — and zero chance of a mistyped URL.
Restaurants and retail
Link menus, review pages, or discount codes without reprinting when URLs change — point the code at a redirect you control and update the destination anytime. The printed code stays valid forever.
Events
Encode ticket links, schedules, or venue maps on badges and signage. Attendees scan once instead of typing long URLs on their phones, which means more of them actually reach your content.
Contact sharing
Encode a portfolio URL or contact card so new contacts scan instead of typing. It is faster than dictating a spelling, and it never gets transcribed wrong into someone’s phone.
Classrooms
Share assignment links and resources with students in one scan. Project the code and the whole class is on the right page in seconds, with no URLs written on the board.
Tips
Shorter content scans more reliably — use a URL shortener for long links.
Always test-scan the code on a real phone before printing thousands of copies.
Leave quiet space (a white margin) around the code; scanners need it to detect the pattern.
For Wi-Fi sharing, use the dedicated WiFi QR generator so phones connect automatically.
Frequently asked questions
Do I need to sign up or pay?
No — the generator is completely free with no account, no watermark, and no scan limits. The QR code is created in your browser and the PNG downloads straight to your device. There are no tiers, trials, or catches — free means free here. You can generate unlimited codes for business cards, packaging, signage, and events without ever creating an account.
Will the QR code expire?
Never — a QR code is just an encoding of your text or URL, with no service behind it to expire. It stays scannable as long as the encoded content (like the linked page) still exists and the print remains legible. Static codes generated here work indefinitely. Because the data lives in the pattern itself rather than on a server, there is nothing to maintain, renew, or shut down.
Why won’t my QR code scan?
The most common causes are overly dense codes from very long URLs, insufficient quiet-zone margin, low print contrast, or printing too small. Shorten the URL, increase the size, and test with a phone camera before mass printing. Catching a scanning problem early saves a costly reprint. Quiet zones — the blank margin around the code — should be at least four modules wide; scanners fail without that breathing room.
What is the maximum amount of data a QR code holds?
Up to about 4,000 alphanumeric characters — but readability drops sharply as density rises. For reliable real-world scanning, keep content under a few hundred characters. Shorter codes scan faster and from farther away, so when in doubt, shorter is always better. URLs are the most common payload, so shortening a long link before encoding dramatically improves scannability. Every character you remove makes the pattern simpler.
Can I make a QR code for Wi-Fi?
Yes — use the dedicated WiFi QR Code Generator for that. It builds the special WIFI:T:...;S:...;P:...;; payload format that makes phones offer to join the network automatically, instead of just showing the password as text. Your guests will thank you for the convenience. Print the WiFi code and frame it near the entrance: guests join in seconds without asking for the password or typing it wrong.
Are QR codes safe to scan?
Only scan codes from sources you trust — a QR code can encode any URL, including malicious ones. Check the preview URL your phone shows before opening it. Treat a QR code like any link you didn’t type yourself: convenient, but worth a second glance. Quishing — QR phishing — is a real attack technique, so the few seconds spent checking the preview URL are well worth it.
Is my content uploaded anywhere?
No — the code is rendered locally in your browser with a JavaScript library. Your URLs and text never leave your device. There is no account, no tracking, and nothing to leak — your links stay entirely yours, end to end. This local-only design is deliberate: your marketing URLs, internal links, and contact details are nobody’s business but yours. That privacy guarantee holds for every code you generate here.