QR code generator
What Is a QR Code Generator for Teachers?
A QR code generator for teachers is a free online tool that converts any link or piece of text into a scannable square barcode that students can read instantly with their phone camera. Instead of asking a class to type a long web address or pass around a single printed handout, the teacher displays or prints one QR code and every student scans it in seconds to reach the same destination — a grammar video, a listening exercise, a Google Form quiz, a class website, or any digital resource linked to the lesson. This QR code generator was designed specifically for EFL and ESL teachers who need to create classroom QR codes quickly, without signing up for an account, without paying for a subscription, and without any technical knowledge.
How Do I Create a QR Code for My Classroom for Free?
Creating a QR code takes under a minute. Paste the link or type the text you want students to see into the input field, choose whether you want the To Teach English icon in the centre of the code, and press Create QR codes. The code appears immediately in the preview panel on the right. From there you can download it as a PNG image to paste into a worksheet, slide, or poster, download a print-ready PDF, or open your browser's print dialogue to send it straight to the printer. The tool also supports batch mode: paste one link or text prompt per line, press Create, and it generates every code at once — up to sixteen codes in a single session — with each one labelled beneath it. No account is required, and there is no limit on how many codes you create.
Do QR Codes Expire? How Long Will a Classroom QR Code Last?
This is one of the most common questions teachers ask before printing codes on worksheets or classroom displays, because a broken code wastes paper and disrupts the lesson. The codes created by this generator never expire. A QR code is simply a visual encoding of text — in most cases a web address — and it will keep working for as long as the destination it points to still exists. If the teacher deletes the YouTube video or the Google Form the code links to, the code will stop working, but the code itself is permanent. This is the key difference between the free static codes this tool generates and the paid dynamic codes offered by commercial QR services: dynamic codes can be edited after printing, but they expire if you stop paying. Static codes cannot be edited, but they last forever and cost nothing.
How Can EFL and ESL Teachers Use QR Codes in the Classroom?
QR codes remove friction between a printed lesson and its digital resources, which makes them particularly useful in language classrooms where teachers regularly combine paper worksheets with audio, video, and online exercises. A QR code printed at the bottom of a reading comprehension handout can link to a recording of the text being read aloud, giving students the option to hear the language as well as read it. A code displayed on the projector at the end of class can take students straight to that week's vocabulary practice on the school platform. During speaking activities, a teacher can post different QR codes around the room linking to different discussion prompts, turning a static speaking exercise into a classroom scavenger hunt that gets students moving. For homework, a single code on a slip of paper replaces a long URL and eliminates the problem of students mistyping addresses on their phones.
What Is Batch QR Code Generation and When Should I Use It?
Batch QR code generation means creating multiple codes at the same time from a list of links or prompts. Switch the tool to Multiple codes mode, enter one item per line, and all the codes are generated together and labelled automatically. This is useful whenever a teacher needs a different code for each station in a carousel activity — for example, six stations each linking to a different listening exercise, a different grammar explanation video, or a different discussion topic. It is also the fastest way to create a full set of codes for a vocabulary or reading unit: prepare all the resource links in advance, paste them in at once, and download the PDF, which lays them out four per row on an A4 or Letter page, ready to cut and attach to the corresponding cards or stations.
Is This QR Code Generator Really Free with No Sign-Up?
Yes — completely free, no account needed, and no limit on how many codes you make. Everything runs in your browser, which means nothing is uploaded to a server, nothing is stored, and your links are not shared with anyone. Teachers in schools with strict data privacy policies can use this tool with confidence. The PDF it generates is print-ready on A4 and US Letter paper, the codes scan reliably on any phone camera without a dedicated app, and the To Teach English icon in the centre is optional and can be turned off with a single checkbox if you prefer a plain code. The codes work on any Android or iOS device and have been tested to decode correctly even with the icon occupying the centre — because the generator uses the highest error-correction level, which allows up to thirty percent of the code to be obscured while remaining fully readable.