Transactions & fees

Bitcoin Script Decoder

Read the role of script bytes and opcodes in Bitcoin spending conditions.

Runs locally

Security & privacy. Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.

Use this tool

Calculates on your device. Results that depend on future blocks or policy are estimates.

Opcode inspection only; this is not consensus validation.

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What this tool is for

Script describes conditions that must be satisfied to spend an output. A readable opcode listing is useful for inspection, but it is not the same as complete consensus validation.

Supported behavior

Opcode inspection only; this is not consensus validation.

Security & privacy

Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.