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uencoder
TOOL

Packet Builder

Packet Builder — pure client-side tool. Privacy-first, no server round-trip.

Try an example:
Local only

Recent history

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How to use

  1. Type or paste your input into the input box.
  2. Adjust any parameters if needed.
  3. Copy or download the result.

Frequently asked questions

Is my data uploaded anywhere?
No. All processing happens locally in your browser with no server round-trip.
Does this tool work offline?
Yes. Once the page loads, the tool runs entirely client-side and needs no network connection.

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