A lightweight, professional QR code tool supporting URL, vCard, WiFi, text, email, phone and 8 types in total. Customize gradient colors · center logo · 6 matrix styles and export as PNG / SVG / JPEG in one click.
Practical walkthroughs, size rules and troubleshooting — written for people who just need the code to scan.
7 places a QR code replaces paper in clinics and hospitals — intake, wayfinding, lab results, prescriptions, feedback, billing, parking. With HIPAA rules, sizing, and copy.
11 min readA teacher writes a URL on the board, half the class fat-fingers it, 5 minutes of class time disappear. A QR code fixes that in 10 seconds. Here are the 7 places classrooms, K-12 schools, and universities use QR codes — with COPPA/FERPA rules, sizing, and copy.
10 min readYour QR code looks perfect on screen. After printing, it fails to scan. Here are the 10 rules for printing a code that works first try — sizing math, contrast, quiet zone, error correction, materials, and a pre-print checklist.
10 min readPaper pledge cards convert at 2-5%. QR codes at the same events convert at 15-25%. Here are the 6 places nonprofits use QR codes — donations, events, volunteers, impact, recurring giving, auctions.
11 min readMax 7,089 digits, 4,296 alphanumeric characters, 2,953 bytes, or 1,468 Chinese characters. Here is the real QR code storage limit per version, per error correction, per character set.
9 min readMost QR codes in short video get ignored. Here are the 4 placement rules, the size math for 9:16, the contrast and color guidelines, and the link strategy that makes TikTok QR codes work.
11 min readNo learning curve, open and use
Enter URL, text, vCard, Wi-Fi password on the left, or paste any string directly.
Pick a matrix style, adjust gradient colors, upload a center logo, set error correction — preview in real time on the right.
Click export PNG / SVG / JPEG, or copy to clipboard with one click — ready to use.
Covering 90% of daily use cases
Scan to open websites, app stores, videos, maps directly.
Scan to save contact to phone address book, replace paper cards.
Show any text content (up to 300 chars), for notes and descriptions.
Scan to open mail client with prefilled recipient, subject and body.
Scan to dial — perfect for customer service and emergency contacts.
Scan to send prefilled SMS — for events and check-in.
Scan to connect to Wi-Fi without typing password — guest favorite.
Scan to open map navigation — for offline stores.
Make QR codes your growth engine
Place product links, event pages, videos on posters — direct scan, 30% higher conversion.
One vCard QR beats 100 paper cards — scan to save contact, eco and professional.
Table QR for ordering + Wi-Fi password — faster turnover, better experience.
One QR per product — scan to view origin, batch, inspection report, higher brand trust.
Bulk-generate attendee-specific QRs — 3-second scan check-in, no queues.
Embed course videos, assignments in QRs on textbooks — print books become interactive.
Square / Dots / Rounded / Classy / Classy-Rounded / Extra-Rounded
Linear / radial with adjustable rotation, perfect brand match
PNG / JPG / SVG upload, H-level error correction for scan rate
PNG 1024px / SVG vector / JPEG compressed, copy to clipboard
One line per content, auto-pack as ZIP, for check-in and traceability
LocalStorage saves last 10 configurations, one-click apply, zero upload
Built on a mature open-source engine, millisecond generation, WYSIWYG. Advanced customization: gradients, logos, 6 matrix styles, batch export — all in one tool.
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