How to Create and Customize 44 Type QR Codes easily

July 17, 2025 - 11:53 AM

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You are wondering:“How to create a QR code that is free, ad-free, still looks good and is easy to use?”

In fact, this is a common need for many people – from individuals who want to quickly share a link, to businesses that need to create QR codes for products, documents or events. The good news is: You can create QR codes quickly, for free, without any technical skills, in just a few minutes!

In this article, iCheckQR will guide you step by step, from basic to advanced. You will also learn how to choose the most suitable QR code type for each purpose: sharing website links, Wi-Fi connections, digital business cards (vCards), maps, document files and many more.

Fast – Free – No ads – Effective → All will be revealed right after this.

1. Instructions on how to create a free QR code oniCheckQR

Want to create QR codes for free without signing up for an account? With iCheckQR, you can quickly generate 38 different types of QR codes in just a few simple steps.

Step 1: Select the type of data to create a QR code

Access https://icheckqr.com/en/, you will find an easy-to-use interface with a wide variety of data types.variable drives. Just choose the one that suits your purpose:

Link / URL

Link/URL – Link to website, landing page, article...
Custom URL – Shorten and personalize links.

Contact

SMS – Prepare message content to send quickly.
vCard – Electronic business cards, save contacts to address book.
Phone - Call immediately upon scanning.
Email - Compose email automatically.

Utilities

Document – Display information when scanning the code.
Calendar – Create appointments and events.
Map – Navigate to specific location.
WiFi – Fast WiFi connection, no need to type password.

Media / Files

Image – Share photos via QR.
PDF – QR code contains PDF file.
Sound – Play audio file while scanning.
Video – Leads to MP4 videos, YouTube, Vimeo…
File – Many formats: .docx, .zip, .xlsx…
Office 365 – Share Word, Excel, PowerPoint documents...
PPTX – QR for professional PowerPoint files.

Pay

Paypal – Send code to receive money via PayPal.
Bank payment – QR transfer (VietQR).
Pay with Crypto – Receive money via digital wallet.

Google

Store Reviews (Google Review) – Increase Google Business rating.
Google Sheets – Share Google Sheets files.
Google Forms – Leads to Google Form survey.
Google Docs – Google Docs document sharing code.

Apps / Social Networks

App Link– Link to download the app on App Store or Google Play.
Facebook – Leads to profile, fanpage.
Instagram – Increase IG followers and interactions.
WhatsApp – Open quick chat.
YouTube – Code for YouTube channel/video.
TikTok – Increase personal/business TikTok traffic.
(X) Twitter – Share tweet or account X.
LinkedIn – Leads to a professional LinkedIn profile.
Snapchat – Snap account sharing code.
Telegram – QR code leads to channel, bot or group.
Etsy – Share your Etsy shop/collection.
Spotify – QR code leads to song, album or podcast.
Reddit – Link to article or subreddit.
Social Network (General) – Combine multiple social channels into 1 code.

→ Meets most modern information sharing needs.

Step 2: Enter content to generate QR code

Once you have selected the appropriate data type, you simply enter the appropriate content into the form. It can be:

Website link (Perfectly suited for creating QR code links that lead to an introduction page, landing page, or form.)
A short text
Document files to share (Word, PDF, Excel, etc.), ideal if you're looking to create a QR code for documents used in learning, work, or internal communication.
Wifi connection information (SSID, password, encryption type...)
Google Maps address or the contents of a form
…and many other types of content

The input interface is designed to be intuitive and easy to understand, helping you to operate quickly without having to log in to an account, still using all the features flexibly and for free.

Step 3: Customize the QR code interface

This is the point that helps your QR code become more professional, impressive and outstanding in the eyes of viewers.You can easily customize:

QR code color:Choose colors according to your brand identity or event style, instead of traditional black and white
Add logo in the middle of QR code:Attach personal or company logo to increase credibility and brand recognition.
Choose a border and call to action (CTA):For example“Scan Me”, “View details”, “Download now”,... helps attract more scanners.

Some important tips:

Prioritize white background + bold QR + clean logo → makes the code easier to recognize and scan faster on all devices.
Avoid using colors that are too light or lack contrast, as this can make the QR code difficult to scan or lose its readability.ugly

Step 4: Download and use

Once you're done creating and customizing, you can download the QR code to your device in popular formats like:

PNG:Suitable for general documents, images
SVG: LThe idea is to print high quality, without image distortion when enlarged.
JPEG: Nchives, compatible with office documents and social networks
PDF: PSuitable for emailing, attaching files or printing professionally
WEBP: DImage format optimizes capacity, helps load quickly on the web

QR codes are used for many different purposes:

You can insert QR codes into:

Presentation slides, lectures
CV, job application
Product packaging
Advertising posters, websites, business cards, flyers…

Some practical application examples:

TeacherCreate QR codes to share exercises and documents for students to quickly scan in class.
FreelancerInsert QR code portfolio on business card to impress when meeting partners or employers.

2. Instructions for Creating Advanced QR Codes oniCheckQR

If you need a professional QR code solution → Can edit, track, analyze in depth, update data, suitable for businesses, stores, events or individuals... theniCheckQRProvides 6 advanced QR code templates optimized for every practical need.

Here is a guide to the types:

Purpose: QR code can be flexibly applied in many practical situations, from business, marketing to management and communication. You can attach QR codes to product packaging to lead to detailed information, user manuals, videos or technical documents; integrate them into business cards, portfolios or websites to introduce professional businesses; place them at stores or points of sale so that customers can easily look up information, send feedback or order online.

In addition, QR codes are also very useful in sharing personal profiles, portfolios, contact information, supporting registration, event check-in, displaying program content, or used to collect customer opinions, market surveys, and evaluate service quality quickly and conveniently.

Advanced QR code creation steps oniCheckQR

Step 1: Go to the QR code generator page

At the address: https://icheckqr.com/vi/qrcode, You choose the type of data you want to generate QR code for, for example: Generate Product QR (PRO)

Note: Advanced QR code generator version - you need register/login account to use the feature

Create product QR: Directs users to a landing page that provides detailed product information. The content on the landing page can be edited without changing the QR code or reprinting the QR code.
Create company QR: Lead customers to a landing page that provides complete information about the business such as introduction, history, product catalog, registration...
Create store QR: Lead customers to the store introduction page, address, directions, featured services/products, promotional information, discounts, ordering, etc.
Create personal QR : Lead users to a landing page that displays their name, title, profile picture, contact information, professional profile, social media links, etc.
Generate QRevent: Leads to the landing page introducing the event, location, time, detailed schedule, participation instructions, and registration page
Create Survey QR: Lead online survey form used when surveying service quality, products, shopping experience, evaluating product/event satisfaction level...

Step 2: Enter information

For Advanced Product QR codes you can create QR codes for 1 product or multiple products depending on the purpose of use and the program applied to your product.

If you already have an account and have filled in previous product information - the system has saved the product information you uploaded:

Select the product you want to create a QR code for
Name your product, to make the process easier.
Customize the border color, frame, and logo of the product QR code to help increase brand recognition better.

For first time creating advanced product QR code / Want to add product

Note: Register/login to start the code generation process

Select create product / Fill in information
Select the language you want to display after the user scans the code - iCheckQR supports 20 languages
Enter product name / product code information
Add product images, product illustrations, more detailed services
Message to customers
Product and service videos

Phone number customers can contact for product and service consultation

Product and service description
Product and service prices
Product and service variations such as color codes, versions
Links to social networks

Select product display
Select related products
Select Company, Store
Fill in the information completely “ Save"

Step 3: After saving product information -Customize the QR code interface to your liking

You can personalize your QR code by:

Select pattern, border style
Change QR code color according to brand
Attach a logo or icon to the center of the code

Then, press "Generate QR code" to system processing

Step 4: Check and download QR code

Preview and test QR code→ Select the appropriate format to download such as PNG, JPEG, PDF, SVG, WEBP.

→ The QR code is ready to be inserted into documents, printed, shared or pasted onto products.

Note

Advanced QR Code byiCheckQRcreate more than just a static image. You get a lot of powerful features:

Flexible content editing after creation:Even if the QR code has been printed or shared, you can still update the content inside at any time on the management page.
Track performance easily:The system supports statistics on the number of scans by time, device, and location, helping you measure and optimize your campaign.
Download or print directly:Supports many formats PNG, SVG, PDF,... ready for any nDemand: online display, high quality printing,...
Completely ad-free:Clean, professional interface, great for businesses, organizations and brands.

3. Common QR code use cases – choose the right one to be effective

QR codes are a fast way to share information, making it easier to connect, interact, and transact if you know how to choose the right type of QR code for your intended use. Here are some common use cases:

Share content

Use when you need to quickly share information in the form of files, links or digital content:

QR link– Leads to website, landing page, form…
QR text– Displays information snippet immediately upon scanning.
QR Google Docs– Easy access to online documents.
QR image - Open photos directly on the device.
Video QR / Audio QR– Play clip/video or audio file immediately when scanning.

Typical scenarios: sharing presentation slides, instruction files, event photos, multimedia content…

Practical application of QR code to share presentation content

Personal Connection & Communication

Use when you need to share personal information so others can contact you easily:

QR vCard – Scan and save contacts immediately.
QR Email– Create emails with sample content to send.
QR phone number– Call immediately after scanning the code.
QR WhatsApp / Telegram– Open live chat box.

Typical scenarios: event introductions, seminars, job applications, personal marketing or creating a quick communication channel with customers.

Social networking

Use when you need to lead users to your social media profile, channel or post: QR Facebook, Instagram, TikTok, YouTube, Twitter, Spotify,...

Typical scenarios: printing on business cards, product packaging, advertising posters to increase followers, views, or sharing entertaining content.

Payment and business

Used when needing to conduct financial transactions or provide business information:

QR PayPal, QR Payment, QR Crypto
Product QR – Retrieve product information, check authenticity.
Company QR – Introduce business profile, lead to website.

Typical scenarios: direct payment at the counter, electronic invoices, online stores, or product/service information management.

4. How to create a QR code without ads and track scans?

Many users encounter the following issues when using free QR code generator tools.

CodeQR contains intrusive ads or third party logos
Content cannot be edited after it has been created.
No feature to track number of scans, time, location...
Difficult to manage and does not ensure information security

This reduces user experience, lacks professionalism, and is difficult to apply in business.

Solution: Use professional toolsiCheckQR

iCheckQRis a professional QR code generation platform in Vietnam, supporting:

Create dynamic QR codes – edit content after printing
Track scans in detail: number of scans, time, location, device...
Ad-free – clean interface, your brand at the center
High security – access control, view limit...
Easy to integrate, easy to manage – suitable for both individuals and businesses

5. Tips to make your QR codes easier to scan and more professional

A beautiful QR code is not only about eye-catching design but also needs to ensure fast – accurate – stable scanning. Here are some tips for optimal QR code performance:

Always test the QR code on multiple devices to ensure it works properly before using it live.
Use bold, bold colors (usually black on a white background), avoid bright colors or colors that match the background.
Make sure there is a blank white border around the QR code, at least 4 squares, so it is easily recognized by the scanner.
Place the code in a visible place: top right corner of packaging, bottom of document page, sign facing out.

Do not make the QR code too small (recommended minimum size 2x2cm)
Do not insert logo too big to lose QR structure
Avoid blurring, skewing or placing on rough surfaces.

Think of QR codes as part of the user experience – the easier they are to scan, the more engaging they are.

Conclude

Generating QR codes is no longer complicated or requires paid software. With free tools like iCheckQR, you can quickly create, customize colors, insert logos, choose the right code type for every purpose – from personal sharing to business campaigns. More importantly, QR codes are generated from iCheckQR - free, efficient tracking, guaranteed professionalism and safety.

Start generating QR codes for free atiCheckQR - Experience rightThe difference between a regular tool and a professional platform, optimized for every QR code need in the digital age.