
SeedVault
Encrypt your seed phrase into a QR code — free & offline
What it does
Your seed phrase backup is probably readable by anyone who finds it. Plain text, plain metal — one bad day and it's gone. SeedVault turns it into an encrypted QR code. Without the password, it's noise. — AES-256-GCM via Web Crypto API — PBKDF2, 600k iterations, random salt + IV — Zero network requests, works fully offline — Single HTML file, zero dependencies — Scan & decrypt with phone camera — Steganography: hide backup inside any image — Metal engraving option Open source. Free forever.
Does the same job
all alternatives →


- QOQrkey – Offline private key backup on paper2025 · github.com · ▲76
- RSRevealer – seed phrase visual encryption backup tool2018 · revealer.cc · ▲17
QryptNoteJul 2026 · qrypt-note.vercel.app · ▲6Send secrets, not screenshots. QR codes for private notes.
More dev tools this month
the category →



The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
Launched alongside, March 2026
the whole month →

Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com


