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SMS QR Code Generator: Open a Pre-Filled Text Message Free

By Aniket Nigam · Verified 2026-04-15 · Methodology

Quick Answer

An SMS QR code encodes the SMSTO: URI format with a phone number and optional pre-filled message body. Scanning opens the phone's native messaging app with the number and text already entered - the user taps send.

Create QR Code Free See Format Syntax

Format Syntax

SMSTO:{phone_number}:{message_body}

Example:

SMSTO:+14085559876:Hi, I saw your sign and wanted more info about the property.

How to Create a SMS QR Code - Step by Step

1
Open QRCrack's SMS QR tool.
2
Enter the recipient phone number with country code - for US numbers, format as +1XXXXXXXXXX.
3
Type the pre-filled message. Keep it under 160 characters to avoid multi-part SMS fragmentation.
4
Generate, download, and test by scanning with your phone before distributing.

Where to Use SMS QR Code Codes

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Real estate signs - scan to text the agent with the property address pre-filled.
+
Appointment booking - text-to-book systems where scan sends a booking request to a number.
+
Customer service shortcut - scan on packaging to open a text to support.
+
Emergency contact - office building QR that opens a pre-filled text to security.
+
Contest entries - scan to enter by texting a keyword to a shortcode.
+
Delivery instructions - scan the QR on a package to text delivery notes to the courier.

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Frequently Asked Questions

Does the SMS QR work on both iOS and Android?

Yes. Both platforms support the SMSTO: URI scheme and open the native messaging app when a compatible QR is scanned. The behavior is consistent across recent versions of iOS and Android.

Can the message body be longer than 160 characters?

The QR can encode longer text, but SMS messages over 160 characters split into multiple parts (concatenated SMS) on carrier networks. Most messaging apps stitch the parts together, but the sender may be charged for multiple messages.

Will the message send automatically when scanned?

No. The native messaging app opens with the number and text pre-filled, but the user must tap the send button. No SMS sends without user action.

Can I use a shortcode instead of a full phone number?

It depends on the carrier and OS. Standard 10-digit and international numbers work universally. 5- or 6-digit shortcodes work in some markets on some carriers but are not guaranteed to open the messaging app correctly.

Other QR Code Formats

WiFi QR Code

WIFI:T:{security};S:{network_name};P:{password};

vCard QR Code

BEGIN:VCARD

URL QR Code

https://{domain}/{path}?{query}

Email QR Code

mailto:{email}?subject={subject}&body={body}

Phone QR Code

tel:+{country_code}{local_number}

Geo Location QR Code

geo:{latitude},{longitude}

Calendar Event QR Code

BEGIN:VCALENDAR

Bitcoin Payment QR Code

bitcoin:{address}?amount={btc_amount}&label={lab

Plain Text QR Code

{your text content, any characters}

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