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Base64 Encoder Decoder Online – Free Text Converter

textClient-side utility

Modern network protocols, configuration files, and web APIs frequently use Base64 to represent binary content and complex strings within text-only formats. You often encounter Base64 strings when inspecting basic authentication headers, API keys, webhook payloads, or embedded data strings. Converting these representations manually is impossible, and opening a terminal command line can disrupt your workflow. This utility provides a dedicated text-to-Base64 encoder and Base64-to-text decoder directly in your browser. You can switch between Encode Mode and Decode Mode, process your text with a single click, and copy the converted output or save it using the download option. Because all processing runs entirely in your browser, your text input is not sent to a server.

✓ 100% In-Browser Execution✓ Free & No Usage Cap✓ Zero Server Data Storage

Source Plain Text (UTF-8)0 chars

📖How to Use This Tool

What Is a QR Code Generator?

A Quick Response (QR) code is a two-dimensional matrix barcode that stores encoded data in a pattern of light and dark modules. Compatible scanner and camera applications can decode the symbol to display text or open an embedded URL.

A QR code generator converts the entered content into a module matrix based on the QR Code symbology defined by ISO/IEC 18004. QR codes use Reed-Solomon error correction, which may allow scanners to recover encoded data when part of the symbol is damaged or obscured; this tool uses error-correction level Q. Actual scanning performance depends on data density, output size, contrast, quiet-zone spacing, print quality, damage, and the scanning environment.

How to use it

Type or paste your URL or text into the Content field. Shorter content produces a simpler code; long text creates a denser matrix that needs a larger printed size for reliable scanning.
Set the output size between 128 and 1024 pixels (default 256).
Click "Generate QR" to render the code.
Click "Download SVG" for print and design work, or "Download PNG" for websites, documents, presentations, and digital sharing.
Test the downloaded code at its final display or print size with multiple QR-compatible devices before distributing it.

Why use this over alternatives

This generator creates static QR codes that embed the entered content directly in the symbol instead of using a redirect URL. Generation and image rendering occur locally in your browser using a bundled open-source library, no account is required, and the resulting code does not depend on a subscription-based redirect service.

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❓Frequently Asked Questions

Q.Is my text or URL sent to a server?

QR code generation is performed locally in your browser using client-side JavaScript and a bundled open-source library. The tool does not intentionally send the content you enter to our servers. As with any web tool, avoid entering sensitive credentials or private authentication data on shared or untrusted devices.

Q.Can a static QR code expire?

The QR pattern itself does not contain an expiration timer and does not depend on a hosted redirect service. However, the content it points to can stop working: a URL may be changed, removed, blocked, or allowed to expire, and a damaged or poorly reproduced code may become difficult to scan. The code stays useful only while the destination remains correct and accessible.

Q.Why does the QR code need a white margin?

The blank area around a QR code is called the quiet zone, and scanners need it to tell the code apart from nearby text or graphics. The downloaded SVG and PNG contain the code itself on a white background but no extra margin, so leave clear space around it in your layout and do not let design elements touch the code edges. Always test at the final display or print size.

Q.Does a QR code encrypt the information it contains?

No. A QR code encodes data but does not encrypt it. Anyone who can scan or decode the image may be able to read the embedded text, URL, or configuration details. Do not place passwords, private keys, authentication tokens, or other sensitive information in QR codes that will be publicly displayed or widely distributed.

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