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ASCII Table

Complete ASCII character reference (0-127).

DecHexOctBinCharType
00000000000000NULControl
10100100000001SOHControl
20200200000010STXControl
30300300000011ETXControl
40400400000100EOTControl
50500500000101ENQControl
60600600000110ACKControl
70700700000111BELControl
80801000001000BSControl
90901100001001HTControl
100A01200001010LFControl
110B01300001011VTControl
120C01400001100FFControl
130D01500001101CRControl
140E01600001110SOControl
150F01700001111SIControl
161002000010000DLEControl
171102100010001DC1Control
181202200010010DC2Control
191302300010011DC3Control
201402400010100DC4Control
211502500010101NAKControl
221602600010110SYNControl
231702700010111ETBControl
241803000011000CANControl
251903100011001EMControl
261A03200011010SUBControl
271B03300011011ESCControl
281C03400011100FSControl
291D03500011101GSControl
301E03600011110RSControl
311F03700011111USControl
322004000100000 Printable
332104100100001!Printable
342204200100010"Printable
352304300100011#Printable
362404400100100$Printable
372504500100101%Printable
382604600100110&Printable
392704700100111'Printable
402805000101000(Printable
412905100101001)Printable
422A05200101010*Printable
432B05300101011+Printable
442C05400101100,Printable
452D05500101101-Printable
462E05600101110.Printable
472F05700101111/Printable
4830060001100000Printable
4931061001100011Printable
5032062001100102Printable
5133063001100113Printable
5234064001101004Printable
5335065001101015Printable
5436066001101106Printable
5537067001101117Printable
5638070001110008Printable
5739071001110019Printable
583A07200111010:Printable
593B07300111011;Printable
603C07400111100<Printable
613D07500111101=Printable
623E07600111110>Printable
633F07700111111?Printable
644010001000000@Printable
654110101000001APrintable
664210201000010BPrintable
674310301000011CPrintable
684410401000100DPrintable
694510501000101EPrintable
704610601000110FPrintable
714710701000111GPrintable
724811001001000HPrintable
734911101001001IPrintable
744A11201001010JPrintable
754B11301001011KPrintable
764C11401001100LPrintable
774D11501001101MPrintable
784E11601001110NPrintable
794F11701001111OPrintable
805012001010000PPrintable
815112101010001QPrintable
825212201010010RPrintable
835312301010011SPrintable
845412401010100TPrintable
855512501010101UPrintable
865612601010110VPrintable
875712701010111WPrintable
885813001011000XPrintable
895913101011001YPrintable
905A13201011010ZPrintable
915B13301011011[Printable
925C13401011100\Printable
935D13501011101]Printable
945E13601011110^Printable
955F13701011111_Printable
966014001100000`Printable
976114101100001aPrintable
986214201100010bPrintable
996314301100011cPrintable
1006414401100100dPrintable
1016514501100101ePrintable
1026614601100110fPrintable
1036714701100111gPrintable
1046815001101000hPrintable
1056915101101001iPrintable
1066A15201101010jPrintable
1076B15301101011kPrintable
1086C15401101100lPrintable
1096D15501101101mPrintable
1106E15601101110nPrintable
1116F15701101111oPrintable
1127016001110000pPrintable
1137116101110001qPrintable
1147216201110010rPrintable
1157316301110011sPrintable
1167416401110100tPrintable
1177516501110101uPrintable
1187616601110110vPrintable
1197716701110111wPrintable
1207817001111000xPrintable
1217917101111001yPrintable
1227A17201111010zPrintable
1237B17301111011{Printable
1247C17401111100|Printable
1257D17501111101}Printable
1267E17601111110~Printable
1277F17701111111DELControl

How to Use ASCII Table

  1. Paste your code or data into the input field
  2. Choose the operation you want to perform
  3. View the formatted, validated, or transformed output
  4. Copy the result or download if available

Why Use ASCII Table?

Developer tools on FreeTools.one are designed to replace the dozen browser tabs you'd otherwise need. JSON formatting, regex testing, JWT decoding, SQL formatting, diff checking — everything runs in your browser with zero configuration. There's nothing to install, no CLI to learn, no Docker containers to spin up. Each tool provides professional-grade output with syntax highlighting, error detection, and one-click copy. Your code and data never leave your device because all processing happens client-side. These tools are built by developers, for developers, with the exact features you need: customizable indentation, multiple output formats, real-time validation, and keyboard shortcuts. They're fast enough for quick checks during coding sessions and powerful enough for production data transformation.

  • No installation needed — works directly in your browser
  • Client-side processing keeps your code private
  • Professional-grade formatting and validation
  • Save hours of manual coding and debugging

Frequently Asked Questions

Is my code sent to a server?

No. All processing happens in your browser. Your code never leaves your device.

Does it support syntax highlighting?

Yes. Output is displayed with proper formatting for easy reading.

Can I use this for production code?

Absolutely. The output is clean and ready for production use.

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