[FREE TOOLS] 40+ Bitcoin & Crypto Tools — Wallet Generator, BIP39, PSBT, TX Deco

🛠 FREE TOOLS — 40+ Bitcoin & Crypto Tools for Wallets, Seeds, Transactions, Fees, PSBT & Developers

I’ve been working on a collection of free Bitcoin and cryptocurrency tools for developers, wallet users, researchers and anyone working with Bitcoin.

No account is required for the basic tools.

🔗 All Tools:
https://qbitcoin.live/tools/

The goal is simple: instead of visiting many different websites for wallet utilities, transaction tools, fee calculations, address checks and conversions, bring useful crypto tools together in one place.

🔐 Wallet, Seed & Key Tools

1. Bitcoin Wallet Generator
Generate a new Bitcoin wallet and BTC addresses.

2. Ethereum Wallet Generator
Generate a new Ethereum wallet and ETH address.

3. Litecoin Wallet Generator
Create Litecoin wallet keys and LTC addresses.

4. Dogecoin Wallet Generator
Generate a Dogecoin wallet and DOGE address.

5. Multi-Coin Wallet Generator
Generate wallets for BTC, ETH, LTC and DOGE from one tool.

6. EVM Wallet Generator
Generate wallet addresses for EVM-compatible blockchain networks.

7. BIP39 Seed Phrase Generator
Generate standard BIP39 mnemonic seed phrases.

8. BIP39 Seed Phrase Validator
Check whether a BIP39 mnemonic and its checksum are valid.

9. Mnemonic to Seed Converter
Convert a BIP39 mnemonic phrase into its derived seed.

10. HD Wallet Derivation Explorer
Explore BIP32/BIP44 hierarchical deterministic wallet derivation paths.

11. Bitcoin Address Generator
Generate Legacy, SegWit and Taproot Bitcoin addresses.

12. Private Key to Bitcoin Address
Derive the corresponding Bitcoin address from a private key.

13. WIF Converter
Encode and decode Bitcoin private keys using Wallet Import Format.

14. XPUB/XPRV Decoder
Inspect extended HD wallet public/private keys and their information.

15. Bitcoin Paper Wallet Generator
Create printable Bitcoin wallet information.

16. Brain Wallet Generator
Educational brain-wallet utility for understanding password-derived wallets.

Brain wallets are not recommended for storing real funds because human-created passwords can be predictable and brute-forced.

⛓ Bitcoin Transaction Tools

17. Raw Transaction Decoder
Decode Bitcoin transaction inputs, outputs, scripts, witness data, locktime and other information.

18. Raw Transaction Broadcaster
Broadcast an already-signed raw Bitcoin transaction.

19. TXID Calculator
Calculate the transaction ID of a raw Bitcoin transaction.

20. Bitcoin Fee Estimator
Check network fee conditions and estimate an appropriate transaction fee.

21. Transaction Size & Weight Calculator
Calculate transaction size, vBytes and Bitcoin weight units.

22. RBF Fee Bump Calculator
Calculate replacement fees for Replace-By-Fee transactions.

23. CPFP Calculator
Estimate fees when using Child Pays For Parent.

24. PSBT Decoder
Decode a Partially Signed Bitcoin Transaction and inspect its fields.

25. PSBT Combiner & Finalizer
Combine compatible PSBT data and finalize transactions when the required signatures are available.

26. Bitcoin Script Decoder
Decode Bitcoin script hex and inspect its opcodes.

🔎 Address, UTXO & Verification Tools

27. Bitcoin UTXO Checker
Check unspent transaction outputs associated with a Bitcoin address.

28. Bitcoin Message Sign & Verify
Sign Bitcoin messages and verify cryptographic signatures.

29. Bitcoin Payment URI Generator
Generate Bitcoin payment URIs containing address, amount and payment information.

30. Bitcoin QR Payment Generator
Create QR codes for Bitcoin addresses and payment requests.

31. Bitcoin Address Validator
Check whether a Bitcoin address has a valid format and checksum.

32. Bitcoin Address Balance Checker
Check the balance and public blockchain activity associated with a Bitcoin address.

⚡ Network, Fees & Blockchain Tools

33. Transaction Confirmation Estimator
Estimate Bitcoin confirmation time based on fee rate and network conditions.

34. Bitcoin Mempool Dashboard
View pending transactions, network congestion and Bitcoin fee conditions.

35. Bitcoin Difficulty Adjustment Countdown
Track Bitcoin’s next mining difficulty adjustment.

36. Bitcoin Halving Countdown
Track the blocks and estimated time remaining until the next Bitcoin halving.

37. Bitcoin Block Reward Calculator
Calculate Bitcoin block subsidies for different block heights and halving eras.

🔢 Conversion & Developer Tools

38. BTC ↔ Satoshi Converter
Instantly convert Bitcoin to satoshis or satoshis back to BTC.

39. BTC ↔ Fiat Calculator
Convert Bitcoin values between BTC and fiat currency values.

40. Bech32 / Bech32m Encoder & Decoder
Encode and decode Bech32 and Bech32m data used by modern Bitcoin addresses.

41. Base58Check Encoder & Decoder
Encode and decode Bitcoin Base58Check data and verify checksums.

🔍 Bitcoin Explorer & Wallet

You can also use the:

🔎 Bitcoin Explorer
Search and inspect Bitcoin blockchain information.

👛 Bitcoin Wallet
Bitcoin wallet interface and wallet-related functionality.

🔐 Security & Developer Information

🔐 Security

👨‍💻 Developers

📦 Products

⚙️ Features

🌐 Try Everything Free

Homepage:
https://qbitcoin.live/

All Free Tools:
https://qbitcoin.live/tools/

Everything is free to try.

I’m especially interested in feedback from Bitcoin developers, crypto users and experienced BitcoinTalk members.

If you find a bug, have a security suggestion, or know of a useful Bitcoin/crypto tool that should be added, reply to this thread and let me know.

Suggestions and feedback are welcome. 🙂