UUID to Binary
Convert any RFC 4122 UUID into a 128-bit binary string instantly. Great for bit-level analysis, debugging, or compact storage.
UUID to Binary
Powered byJavaScript & RFC 4122
All conversion happens locally in your browser. Nothing is sent to any server.
Paste UUIDs and click Convert to get binary output.
Why convert UUIDs to binary?
Binary representation exposes the raw 128-bit value behind a UUID. This can help with bitwise analysis, compact storage, or debugging UUID layout and version fields.
Exact 128 bits
Each UUID becomes a 128-character string of 0s and 1s, representing the full 16 bytes.
Validates standard UUID
The tool enforces RFC 4122 formatting (8-4-4-4-12 hex) before conversion.
Supports multiple UUIDs
Paste multiple UUIDs, one per line, and convert them all at once.
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit value standardized by RFC 4122. It is most commonly displayed as a 36-character text string with hyphens.
Converting a UUID to binary reveals the underlying bits used to store its version, timestamp, clock sequence, and node fields.
- 128 total bits (16 bytes)
- Standard UUID: 36 chars (32 hex+4 hyphens)
- Binary output: 128 bits (0/1 string)
- Useful for bitwise analysis and debugging
UUID Format
32 bits
16 bits
16 bits
16 bits
48 bits
This tool converts that hex representation into a 128-bit binary string (0/1).
UUID Versions Compared
All UUID versions are 128 bits, so they all convert to 128-bit binary strings.
| Version | Generation Method | Use Case | Requires |
|---|---|---|---|
| v1 | Timestamp + MAC address | Time-ordered logging | Network interface |
| v2 | DCE security (UID/GID) | Legacy DCE systems | System identity |
| v3 | MD5 hash of namespace+name | Deterministic IDs | Namespace + name |
| v4 | Random | General purpose — UUID v4 Generator → | None |
| v5 | SHA-1 hash of namespace+name | Deterministic IDs (secure) | Namespace + name |
| v6 | Reordered timestamp (RFC 9562) | Sortable time-based IDs | Clock + node |
| v7 | Unix timestamp + random (RFC 9562) | Database-friendly sortable IDs | None |
Example UUIDs
Click an example to convert it to binary.
How This UUID → Binary Tool Works
This tool validates that each input is a standard RFC 4122 UUID, converts the hex to raw bytes, and renders that as a 128-character binary string (0/1).
Everything runs locally in your browser; no data is sent to any server.
Common Use Cases
Common reasons to convert UUIDs to binary include:
Frequently Asked Questions
Answers to common questions about UUID binary conversion.
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