Browser-local tool
QR Code Generator / Decoder
Generate downloadable QR codes from URLs or text, and upload QR images to decode their content locally in your browser.
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JSON Formatter
Format, validate, and beautify JSON with two-space indentation.
JSON Minifier
Compress valid JSON into a compact single-line string.
JSON Escape
Escape or unescape JSON string content for logs, payloads, and configs.
FAQ
Does the QR code tool upload my image?
No. QR code generation and image decoding run locally in your browser.
What can I put into a QR code?
You can encode URLs, plain text, contact hints, Wi-Fi text, or any short text content.