From the HackerLinks archive

qr-send

Offline-first QR file transfer PWA using fountain-code encoding.

At a glance:

First seen:2026-05-22

Last seen:2026-05-22

Times seen:1

Website:qr-send.com

The short version

Offline-first QR file transfer PWA using fountain-code encoding.

Why it caught our attention

The comment thread framed it as a more polished version of the same QR-transfer idea.

Where it surfaced on Hacker News

2026-05-22

Editorial paraphrase

A commenter described qr-send as a more polished version of animated QR fountain-code transfer and noted that it works as an offline-first PWA.

Show HN: ShadowCat – file transfer through QR Codes in a Browser

Also surfaced in this discussion

Show HN: ShadowCat – file transfer through QR Codes in a Browser

2026-05-22