ASCII / Unicode Converter
Convert text to ASCII/Unicode codes, decode codes to text, and browse the full ASCII table.
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Everything you need to know
Three Tools in One
Text → Codes: Type or paste any text and instantly see the decimal, hexadecimal, and binary code for every character. Per-character breakdown table included. Codes → Text: Enter decimal, hex, or binary codes to decode them back to readable text. ASCII Table: Browse and search the full 0–127 ASCII table with character names, decimal, hex, octal, and binary columns.
ASCII Quick Reference
- A–Z: 65–90 (0x41–0x5A)
- a–z: 97–122 (0x61–0x7A)
- 0–9: 48–57 (0x30–0x39)
- Space: 32 (0x20)
- Newline (LF): 10 (0x0A)
- Tab: 9 (0x09)
Unicode Support
While the ASCII table covers 0–127, the Text → Codes mode supports the full Unicode range. Paste emojis, accented characters, or CJK script and the converter will show the correct code point for each character.
Use Cases
- Debugging: Check if invisible characters (CR, LF, tab, null) are present in strings.
- Encoding: Convert text to hex or binary for protocol work, serial communication, or embedded systems.
- Education: Learn how characters map to numbers in computer systems.
- CTF / Puzzles: Decode numeric messages in capture-the-flag challenges.
Related Tools
Convert between number bases with the Number Base Converter. For general data size conversions, use the Data Converter. Need a scientific calculator? Try the Scientific Calculator.