How to use: QR Code Decoder

QR Code Decoder is a free online qr tool that upload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

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Description

Upload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields.

  • qr
  • Because everything is computed client-side, QR Code Decoder is safe to use with sensitive data such as API keys, tokens or private logs.
Input QR Code Decoder Output Runs 100% in your browser — your data never leaves your device.
QR Code Decoder — Input → Output

How to use

Using QR Code Decoder takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · QR Code Decoder 1 Paste your data intothe input box (or loadthe example). 2 Configure the optionsto match your targetformat or scenario. 3 Copy, download orinspect the output —it updates live as youtype.
How to use

Run

Use cases

Common situations where QR Code Decoder helps:

  • Upload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields.

Parameters

keyOptionstypealloweddefaultQR Code Decoder
showAlso showselectparsed (Parsed fields), raw (Raw payload only), hex (Raw + hex dump)—parsed

Input: file · Output: text · live update while typing: ✗

FAQ

What is QR Code Decoder?

QR Code Decoder upload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields. It runs entirely in your browser, so your data stays private.

Is QR Code Decoder free to use?

Yes. QR Code Decoder is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Good to know

  • This tool reads a file you choose locally; the file is processed in your browser and is never uploaded.
  • The result does not update while you type — press Run after changing the input.
  • Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.
  • The worked example below could not be pre-computed for this tool (needs_file); the interactive tool above still works normally.

Related tools

QR Code GeneratorCreate QR codes for text, URLs, Wi-Fi, vCard, email, phone, SMS, geo, calendar, WhatsApp, Telegram, Bitcoin, Ethereum, UPI and JSON, with error correction, quiet zone, colours and PNG/SVG export.URL QR Code GeneratorTurn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.Wi-Fi QR Code GeneratorBuild a standards-compliant WIFI: payload with SSID, password, WPA/WEP/open encryption and hidden-network flag so phones join the network on scan.vCard QR Code GeneratorGenerate a vCard 3.0 contact QR code with name, organisation, title, phone, email, website, address and note.MECARD QR Code GeneratorBuild a MECARD contact payload — the compact alternative to vCard that fits in a smaller, lower-version QR symbol.Email QR Code GeneratorCreate a mailto: QR code with prefilled recipient, subject and body.

QR Code Decoder → · qr →

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