ConvertersRuns locally · No upload

ASCII Decoder

Paste decimal or hex character codes and get readable text. Same workbench as the ASCII Converter — supports space or comma-separated codes.

Private by design

Everything runs in your browser. Your input is never uploaded, stored, or logged on our servers.

Works offline after load

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Related guides

ASCII and Character Encoding Basics

How ASCII codes work — with a character table, decimal/hex lookup, and code-to-text conversion.

Read guide
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Frequently asked questions

What code formats are supported?+

Decimal (72 101 108) and hex (0x48 0x65 0x6C) codes, separated by spaces or commas.

Is this tool free?+

Yes. Every Utillio utility is free with no sign-up, usage limits, or paywalls.

Do you store my data?+

No. Processing happens entirely in your browser. Your input never leaves your device.

Can I use this tool offline?+

Yes. Once the page loads, most tools continue working without an internet connection.