Snowflake ID decoder

Decode Twitter/Discord-style Snowflake IDs: timestamp + worker/process/sequence. Runs locally (no upload).

Snowflake ID (decimal)

Preset Epoch (ms) Timestamp bits Worker bits Process bits Sequence bits

Choose a preset (Twitter/Discord) or set a custom bit layout + epoch. The decoder extracts the timestamp (ms since epoch) and the remaining bit fields. Browser-only.

Output

Tip: “Share link” encodes your input + settings in the URL hash (not sent to a server).

About / 關於

Snowflake ID decoder — Decode 64-bit Snowflake IDs locally: extract the embedded timestamp and bit fields. Includes Twitter/X and Discord presets, plus custom layouts. Copy/share results. Browser-only MVP.

Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.

FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.

Snowflake ID 解碼器 — 在瀏覽器本機解碼 64-bit Snowflake：讀出內含時間戳與各 bit 欄位。內建 Twitter/X 與 Discord 預設，也支援自訂 layout；可複製/分享結果。純前端 MVP。

範例：用這個工具快速試算與對照結果，需要討論時再把連結分享給對方。

FAQ： (1) 會上傳資料嗎？不會，計算在瀏覽器內完成。 (2) 能分享結果嗎？可以，用分享連結。 (3) 準確嗎？請把它當作便利工具，不是專業建議。