Convert Text to ASCII Codes Online

A debugging note says “check the ASCII codes.” A lesson wants the decimal values for each character. Reading a chart for every letter wastes time.

Text to ASCII maps characters to codes. ASCII to Text goes the other way when you already have a list of numbers. For bit strings, use Text to Binary. All of it runs locally in your browser.

When ASCII tools help

• CS homework and encoding demos
• Spotting invisible characters after a weird paste
• Comparing “looks the same” strings that differ by code point
• Quick reference without installing a desktop utility

Steps

1. Open Text to ASCII.
2. Paste the string.
3. Copy the code list.
4. To reverse, paste codes into ASCII to Text.

ASCII vs Unicode

Classic ASCII covers 0–127. Modern text is Unicode; values above 127 appear depending on how the tool labels “ASCII” vs code points. If you need Base64 for transport, switch to Text to Base64.

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FAQ

Private?

Yes. Browser-only.

Does it handle emoji?

Emoji are multi-code-point Unicode — output may show several numbers per glyph. That’s expected.

Space and newline codes?

Yes — whitespace has codes too (32 for space is the usual decimal).