Damus
nimmzwei · 4d
Maybe not the most "offline" possible, but using a SeedSigner.
mister_monster · 4d
I'm gonna publish a write up probably tomorrow that details how to do this, but it is tedious and you need a hardware signing device for it to brute force the checksum word manually.
Pyrohawk · 4d
BTC Sessions did a tutorial on how to do it completely manually. (Permissionless Bitcoin Wallets - They Cannot Be Stopped!)
B Man · 4d
Complete dice-to-BIP39 guide, including an offline Python script for calculating the eight valid candidates for the 24th word: https://github.com/veebch/Bip39-Dice