I made a new Bitcoin web wallet: bitcoin.coinos.io
It's self custodial and the whole page can be saved and run offline like bitaddress.org but it uses BIP39 and modern addresses.
If you're online you can fetch your wallet balance/history and spend funds.
It's not well tested yet so be careful and let me know if you find issues.
Adam Soltys
npub1nz…uz7rp
2026-06-16 08:29:00 UTC
Author Public Key
npub1nzhym2fxc3cuy073950tm4vrnw5zj9a65cvwrp8qexgkmy7u7nmssuz7rpPublished at
2026-06-16 08:29:00 UTCEvent JSON
{
"id": "9ea46d01bf33d700016cea8106a3936fa4c768541302ed5cf05a346295760230",
"pubkey": "98ae4da926c471c23fd12d1ebdd5839ba82917baa618e184e0c9916d93dcf4f7",
"created_at": 1781598540,
"kind": 1,
"tags": [
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[
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"https://bitcoin.coinos.io/"
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[
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"https://bitaddress.org/"
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[
"client",
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"content": "I made a new Bitcoin web wallet: bitcoin.coinos.io\n\nIt's self custodial and the whole page can be saved and run offline like bitaddress.org but it uses BIP39 and modern addresses.\n\nIf you're online you can fetch your wallet balance/history and spend funds.\n\nIt's not well tested yet so be careful and let me know if you find issues.",
"sig": "c4dd69bc87e6151738468a0e646d8f1acc6f74d1740c516479145a55e164169f50efe6858c30eb09767a7b23a74689cd6ff3bbbc2c8a9547006c8b4846314cf0"
}