BayMaxHome QR & Barcode Tools

Free browser-based tools

QR & Barcode Tools

QR payload builders, contact links, WiFi strings, barcode check digits, ISBN checks, and scannable data helpers. Built for small businesses, event organizers, marketers, operations teams, and developers.

32 tools4 guidesNo sign-upRuns in browser

All tools

Choose a tool

Open a tool directly. Each page includes inputs, examples, notes, and copy-ready results.

QR Payloads

URL QR Payload Builder

Create a clean URL payload for a QR code generator.
QR Payloads

WiFi QR Payload Builder

Build a standard WiFi QR payload string.
Contact

vCard QR Payload Builder

Build a vCard contact payload for QR codes.
Contact

Mailto Link Builder

Create a mailto link with subject and body.
Contact

SMS Link Builder

Create SMS link payloads for mobile campaigns.
Contact

Telephone Link Builder

Create clickable tel links for websites and QR payloads.
QR Payloads

Geo Location Link Builder

Build a geo URI from latitude and longitude.
Events

Calendar ICS Builder

Create a simple calendar event ICS text.
Barcode Checks

UPC Check Digit Calculator

Calculate or validate UPC-A check digits.
Barcode Checks

EAN-13 Check Digit Calculator

Calculate or validate EAN-13 check digits.
Barcode Checks

ISBN-13 Checker

Validate ISBN-13 check digit.
QR Payloads

QR Data Length Checker

Estimate QR payload length and scannability risk.
QR Payloads

QR URL Length Checker

Estimate QR scannability risk for long campaign URLs and landing page links.
Events

Event ICS Generator

Build a simple calendar event ICS file body for meetings, webinars, and reminders.
Contact

SMS Campaign Link Builder

Create SMS link payloads for mobile campaigns and QR code landing flows.
Contact

Phone QR Link Builder

Create a tel link that can be used in QR codes, contact pages, and mobile buttons.
QR Payloads

Location QR Link Builder

Build geo URI payloads for map QR codes and location sharing.
Contact

Business Card vCard Builder

Build a vCard payload for QR business cards and contact sharing.
QR Payloads

Guest WiFi QR Builder

Build a WiFi QR payload for guest networks, offices, shops, and events.
Barcode Checks

ISBN Check Digit Calculator

Validate ISBN-13 numbers and review the calculated check digit.
QR Payloads

Advanced URL QR Payload Builder

Create a clean URL payload for a QR code generator. Use this focused variant for advanced workflows and long-tail search scenarios.
QR Payloads

Quick WiFi QR Payload Builder

Build a standard WiFi QR payload string. Use this focused variant for quick workflows and long-tail search scenarios.
Contact

Planning vCard QR Payload Builder

Build a vCard contact payload for QR codes. Use this focused variant for planning workflows and long-tail search scenarios.
Contact

Mobile Mailto Link Builder

Create a mailto link with subject and body. Use this focused variant for mobile workflows and long-tail search scenarios.
Contact

Small Business SMS Link Builder

Create SMS link payloads for mobile campaigns. Use this focused variant for small business workflows and long-tail search scenarios.
Contact

Creator Telephone Link Builder

Create clickable tel links for websites and QR payloads. Use this focused variant for creator workflows and long-tail search scenarios.
QR Payloads

Student Geo Location Link Builder

Build a geo URI from latitude and longitude. Use this focused variant for student workflows and long-tail search scenarios.
Events

Team Calendar ICS Builder

Create a simple calendar event ICS text. Use this focused variant for team workflows and long-tail search scenarios.
Barcode Checks

Audit UPC Check Digit Calculator

Calculate or validate UPC-A check digits. Use this focused variant for audit workflows and long-tail search scenarios.
Barcode Checks

Checklist EAN-13 Check Digit Calculator

Calculate or validate EAN-13 check digits. Use this focused variant for checklist workflows and long-tail search scenarios.
Barcode Checks

Campaign ISBN-13 Checker

Validate ISBN-13 check digit. Use this focused variant for campaign workflows and long-tail search scenarios.
QR Payloads

Batch QR Data Length Checker

Estimate QR payload length and scannability risk. Use this focused variant for batch workflows and long-tail search scenarios.

QR Payloads

QR Payloads

Focused tools for common qr & barcode tools workflows.

Contact

Contact

Focused tools for common qr & barcode tools workflows.

Barcode Checks

Barcode Checks

Focused tools for common qr & barcode tools workflows.

Events

Events

Focused tools for common qr & barcode tools workflows.

Guides

Use the tools well

Short guides for practical workflows and review habits.