NAME

QRcode.show - Generate QR code easily for free - QR Code Generation as a Service

USAGE

curl qrcode.show/INPUT

curl qrcode.show -d INPUT

curl qrcode.show -d @/PATH/TO/INPUT

echo INPUT | curl qrcode.show -d @-

USAGE EXAMPLES

curl qrcode.show/https://example.com

curl qrcode.show -d https://example.com

curl qrcode.show -d @/path/to/input.txt

echo https://example.com | curl qrcode.show -d @-

PARAMETERS

Header	Description	Format / Options
accept	output type	application/octet-stream, text/plain, text/html, image/svg+xml, image/png, image/jpeg
x-qr-width	default width
x-qr-height	default height
x-qr-min-width	minimum width
x-qr-min-height	minimum height
x-qr-max-width	maximum width
x-qr-max-height	maximum height
x-qr-dark-color	dark color (hex)	rrggbb
x-qr-light-color	light color (hex)	rrggbb
x-qr-version-type	QR version type	normal, micro
x-qr-version-number	QR version number	1 -> 40 for normal, 1 -> 4 for micro.
x-qr-ec-level	error checking level	L, M, Q, H
x-qr-quiet-zone	add quiet zone	true/ false

PARAMETER EXAMPLES

curl qrcode.show/INPUT -H accept:image/svg+xml

SHELL FUNCTIONS

Shell functions that can be added to .bashrc or .bash_profle for quickly generating QR codes from the command line. The command takes the argument as input or reads from stdin if none was supplied and outputs the QR code to stdout.

qrcode () {
    local input="$*"
    [ -z "$input" ] && local input="@/dev/stdin"
    curl -d "$input" https://qrcode.show
}
qrsvg () {
    local input="$*"
    [ -z "$input" ] && local input="@/dev/stdin"
    curl -d "${input}" https://qrcode.show -H accept:image/svg+xml
}
qrserve () {
    local port=${1:-8080}
    local dir=${2:-.}
    local ip="$(ifconfig | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | fzf --prompt IP:)" \
    && echo http://$ip:$port | qrcode \
    && python -m http.server $port -b $ip -d $dir
}

FEATURES

• No data collection or retention.
• Fast and simple API that works on both web and terminal.
• Supports GET and POST requests.
• Supports accept header to control the output format.

CREDITS

• Main Library: https://github.com/kennytm/qrcode-rust
• Cloudflare Worker : https://github.com/cloudflare/workers-rs
• Alternate Web Server: https://github.com/tokio-rs/axum

NOTE: Only the direct dependencies for the core logic are listed here Please contact the project maintainer if you are missing from the list.

RELATED LINKS

• Project Repository: https://github.com/sayanarijit/qrcode.show
• Project Maintainer: https://arijitbasu.in

COPYRIGHT

© Arijit Basu 2026