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SMS QR Code Generator

Generate QR codes that open a pre-filled text message on any phone

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SMS remains one of the most reliable communication channels — 98% open rate, works on every phone including feature phones, and doesn't require an internet connection or app download. An SMS QR code makes it even easier: scan the code, and the phone's messaging app opens with the recipient number pre-filled. The sender just types their message and hits send. Perfect for opt-in campaigns, support requests, and feedback collection where you want to remove every possible barrier.

Coda One's SMS QR Code Generator creates an sms: protocol QR code. Enter the phone number you want to receive texts at, and the generator creates a code that, when scanned, opens the native messaging app with your number in the "To" field. It works on iOS (iMessage/SMS), Android Messages, and any SMS-capable device. No third-party app needed — it uses the messaging app the person already has.

This is especially effective for SMS-based marketing campaigns (scan to text a keyword and join a list), customer feedback (scan to text your experience), event check-ins (scan to confirm attendance via text), appointment confirmations (scan to text and confirm), and two-way support (scan to start a support conversation). Combine with a short code or text-enabled business number for professional-grade SMS workflows. The QR code is static and never expires.

Frequently Asked Questions

Can I pre-fill the text message body?
The basic SMS QR code pre-fills the phone number. To also pre-fill the message body, use the Text tab and enter: sms:+15551234567?body=Your message here. Note that support varies by device — iOS uses &body= while Android uses ?body=. For maximum compatibility, test on both platforms.
Does it work with both iMessage and regular SMS?
Yes. The sms: protocol opens whatever messaging app the user has set as default. On iPhones, this will be iMessage (which falls back to SMS for non-Apple recipients). On Android, it opens the default messaging app. The protocol is universally supported.
Can I use this for SMS marketing opt-ins?
Absolutely. Create a QR code with your SMS short code or business number. Users scan, send a keyword (like "JOIN" or "SUBSCRIBE"), and they're added to your list. This is the standard approach for compliant SMS marketing — the user initiates the conversation by texting first.
Will it work on phones without a SIM card?
Phones without cellular service can open the messaging app but won't be able to send the SMS. However, if the device has Wi-Fi and uses a service like iMessage, Google Messages RCS, or a VoIP texting app, it may still work over data.
How does this compare with printing a phone number with "Text us"?
A QR code removes the steps of reading the number, opening the messaging app, and typing it in manually. In many campaigns, that lower-friction flow is easier for users than entering a phone number by hand.

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Coda One's SMS QR Code Generator creates customizable QR codes for URLs, text, email, phone numbers, and Wi-Fi credentials. Adjust size and colors, then download a high-quality PNG. Free to use in the browser, and signup is not required to start.