Ret - Online x86 Assembler and Disassembler

ARM64

Assemble

Disassemble

Assemble and Run

Format Hex

Output as:

auto

u8

u32

C array

Binary

Examples

x86 Options

X86 Syntax:

Intel

AT&T

NASM

MASM

GNU GAS

Bits:

64

32

16

RISC-V Options

Bits:

64

32

Extensions:

Compressed (C)

PowerPC Options

Bits:

64

32

Endian:

Big

Little

Base address:

______ _   _ _____ _____ 
|  ___| | | |_   _|  _  |
| |_  | | | | | | | | | |
|  _| | | | | | | | | | |
| |   | |_| | | | \ \_/ /
\_|    \___/  \_/  \___/ 
    Ret version v4.1
A lightweight browser assembler/disassembler/CPU simulator running in WebAssembly.

Shortcuts:
F1: Assemble
ESC: Close popup

Source code
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Parse as:

auto

u8

u16

u32

Parse C comments in hex

Split hex output by instruction

Use Godbolt API as first-pass assembler