cosmodev ~/tools/ascii-table

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ASCII-taulukko128 / 128

Des  Hex  Okt   Binääri  Merkki  Nimi                           
---  ---  ---  --------  ------  -------------------------------
  0  0x00  000  00000000    ␀     Null (NUL) · \0                
  1  0x01  001  00000001    ␁     Start of Heading (SOH)         
  2  0x02  002  00000010    ␂     Start of Text (STX)            
  3  0x03  003  00000011    ␃     End of Text (ETX)              
  4  0x04  004  00000100    ␄     End of Transmission (EOT)      
  5  0x05  005  00000101    ␅     Enquiry (ENQ)                  
  6  0x06  006  00000110    ␆     Acknowledge (ACK)              
  7  0x07  007  00000111    ␇     Bell (BEL) · \a                
  8  0x08  010  00001000    ␈     Backspace (BS) · \b            
  9  0x09  011  00001001    ␉     Horizontal Tab (HT) · \t       
 10  0x0A  012  00001010    ␊     Line Feed (LF) · \n            
 11  0x0B  013  00001011    ␋     Vertical Tab (VT) · \v         
 12  0x0C  014  00001100    ␌     Form Feed (FF) · \f            
 13  0x0D  015  00001101    ␍     Carriage Return (CR) · \r      
 14  0x0E  016  00001110    ␎     Shift Out (SO)                 
 15  0x0F  017  00001111    ␏     Shift In (SI)                  
 16  0x10  020  00010000    ␐     Data Link Escape (DLE)         
 17  0x11  021  00010001    ␑     Device Control 1 (DC1)         
 18  0x12  022  00010010    ␒     Device Control 2 (DC2)         
 19  0x13  023  00010011    ␓     Device Control 3 (DC3)         
 20  0x14  024  00010100    ␔     Device Control 4 (DC4)         
 21  0x15  025  00010101    ␕     Negative Acknowledge (NAK)     
 22  0x16  026  00010110    ␖     Synchronous Idle (SYN)         
 23  0x17  027  00010111    ␗     End of Transmission Block (ETB)
 24  0x18  030  00011000    ␘     Cancel (CAN)                   
 25  0x19  031  00011001    ␙     End of Medium (EM)             
 26  0x1A  032  00011010    ␚     Substitute (SUB)               
 27  0x1B  033  00011011    ␛     Escape (ESC) · \e              
 28  0x1C  034  00011100    ␜     File Separator (FS)            
 29  0x1D  035  00011101    ␝     Group Separator (GS)           
 30  0x1E  036  00011110    ␞     Record Separator (RS)          
 31  0x1F  037  00011111    ␟     Unit Separator (US)            
 32  0x20  040  00100000    ␣     Space                          
 33  0x21  041  00100001    !     Exclamation mark               
 34  0x22  042  00100010    "     Quotation mark                 
 35  0x23  043  00100011    #     Number sign                    
 36  0x24  044  00100100    $     Dollar sign                    
 37  0x25  045  00100101    %     Percent sign                   
 38  0x26  046  00100110    &     Ampersand                      
 39  0x27  047  00100111    '     Apostrophe                     
 40  0x28  050  00101000    (     Left parenthesis               
 41  0x29  051  00101001    )     Right parenthesis              
 42  0x2A  052  00101010    *     Asterisk                       
 43  0x2B  053  00101011    +     Plus sign                      
 44  0x2C  054  00101100    ,     Comma                          
 45  0x2D  055  00101101    -     Hyphen / Minus                 
 46  0x2E  056  00101110    .     Full stop                      
 47  0x2F  057  00101111    /     Slash                          
 48  0x30  060  00110000    0     Digit 0                        
 49  0x31  061  00110001    1     Digit 1                        
 50  0x32  062  00110010    2     Digit 2                        
 51  0x33  063  00110011    3     Digit 3                        
 52  0x34  064  00110100    4     Digit 4                        
 53  0x35  065  00110101    5     Digit 5                        
 54  0x36  066  00110110    6     Digit 6                        
 55  0x37  067  00110111    7     Digit 7                        
 56  0x38  070  00111000    8     Digit 8                        
 57  0x39  071  00111001    9     Digit 9                        
 58  0x3A  072  00111010    :     Colon                          
 59  0x3B  073  00111011    ;     Semicolon                      
 60  0x3C  074  00111100    <     Less-than sign                 
 61  0x3D  075  00111101    =     Equals sign                    
 62  0x3E  076  00111110    >     Greater-than sign              
 63  0x3F  077  00111111    ?     Question mark                  
 64  0x40  100  01000000    @     At sign                        
 65  0x41  101  01000001    A     Uppercase A                    
 66  0x42  102  01000010    B     Uppercase B                    
 67  0x43  103  01000011    C     Uppercase C                    
 68  0x44  104  01000100    D     Uppercase D                    
 69  0x45  105  01000101    E     Uppercase E                    
 70  0x46  106  01000110    F     Uppercase F                    
 71  0x47  107  01000111    G     Uppercase G                    
 72  0x48  110  01001000    H     Uppercase H                    
 73  0x49  111  01001001    I     Uppercase I                    
 74  0x4A  112  01001010    J     Uppercase J                    
 75  0x4B  113  01001011    K     Uppercase K                    
 76  0x4C  114  01001100    L     Uppercase L                    
 77  0x4D  115  01001101    M     Uppercase M                    
 78  0x4E  116  01001110    N     Uppercase N                    
 79  0x4F  117  01001111    O     Uppercase O                    
 80  0x50  120  01010000    P     Uppercase P                    
 81  0x51  121  01010001    Q     Uppercase Q                    
 82  0x52  122  01010010    R     Uppercase R                    
 83  0x53  123  01010011    S     Uppercase S                    
 84  0x54  124  01010100    T     Uppercase T                    
 85  0x55  125  01010101    U     Uppercase U                    
 86  0x56  126  01010110    V     Uppercase V                    
 87  0x57  127  01010111    W     Uppercase W                    
 88  0x58  130  01011000    X     Uppercase X                    
 89  0x59  131  01011001    Y     Uppercase Y                    
 90  0x5A  132  01011010    Z     Uppercase Z                    
 91  0x5B  133  01011011    [     Left bracket                   
 92  0x5C  134  01011100    \     Backslash                      
 93  0x5D  135  01011101    ]     Right bracket                  
 94  0x5E  136  01011110    ^     Circumflex / Caret             
 95  0x5F  137  01011111    _     Underscore                     
 96  0x60  140  01100000    `     Grave accent                   
 97  0x61  141  01100001    a     Lowercase a                    
 98  0x62  142  01100010    b     Lowercase b                    
 99  0x63  143  01100011    c     Lowercase c                    
100  0x64  144  01100100    d     Lowercase d                    
101  0x65  145  01100101    e     Lowercase e                    
102  0x66  146  01100110    f     Lowercase f                    
103  0x67  147  01100111    g     Lowercase g                    
104  0x68  150  01101000    h     Lowercase h                    
105  0x69  151  01101001    i     Lowercase i                    
106  0x6A  152  01101010    j     Lowercase j                    
107  0x6B  153  01101011    k     Lowercase k                    
108  0x6C  154  01101100    l     Lowercase l                    
109  0x6D  155  01101101    m     Lowercase m                    
110  0x6E  156  01101110    n     Lowercase n                    
111  0x6F  157  01101111    o     Lowercase o                    
112  0x70  160  01110000    p     Lowercase p                    
113  0x71  161  01110001    q     Lowercase q                    
114  0x72  162  01110010    r     Lowercase r                    
115  0x73  163  01110011    s     Lowercase s                    
116  0x74  164  01110100    t     Lowercase t                    
117  0x75  165  01110101    u     Lowercase u                    
118  0x76  166  01110110    v     Lowercase v                    
119  0x77  167  01110111    w     Lowercase w                    
120  0x78  170  01111000    x     Lowercase x                    
121  0x79  171  01111001    y     Lowercase y                    
122  0x7A  172  01111010    z     Lowercase z                    
123  0x7B  173  01111011    {     Left brace                     
124  0x7C  174  01111100    |     Vertical bar                   
125  0x7D  175  01111101    }     Right brace                    
126  0x7E  176  01111110    ~     Tilde                          
127  0x7F  177  01111111    ␡     Delete (DEL)

cosmodev ~/docs/ascii-table.md

(Dokumentaatio englanniksi)

What it does

A complete, searchable reference for all 128 ASCII code points (0-127), rendered as a plain-text table you can copy or download. Every row shows the decimal, hexadecimal, octal, and 8-bit binary form alongside the display glyph and human name; control characters (0-31 and 127) carry their control-picture glyph and C-style escape sequence (\n, \t, \r, …). Type to search across every field, toggle to printable-only, clamp the code-point range — the table on the right regenerates live and lands in your clipboard or a ascii-table.txt file exactly as shown. Everything runs 100% client-side.

How to use it

Search - start typing in the search box. Your query matches the decimal, hex, octal, binary, name, character, or escape (try 0x41, Line Feed, \n, or A), or tap a Try: chip (0x41, \n, Delete, Digit) for a one-click lookup.
Filter - toggle All 128 / Printable to show or hide the 33 control characters; set Min / Max to narrow the decimal range (e.g. 48-57 for the digits). The header badge tracks how many of the 128 rows are shown.
Copy or download - Copy table puts the exact plain-text table on your clipboard (great for READMEs, issues, and terminals); Download saves the same text as ascii-table.txt.
Share - the query, view, and range live in the URL. Use Copy share link to send someone the exact view.

Examples

Search by hex 0x41 - one row:

Dec  Hex   Oct    Binary  Char  Name
---  ----  ---  --------  ----  -----------
 65  0x41  101  01000001   A    Uppercase A

Search by escape sequence \n - one row:

Dec  Hex   Oct    Binary  Char  Name
---  ----  ---  --------  ----  -------------------
 10  0x0A  012  00001010   ␊    Line Feed (LF) · \n

Range Min 48, Max 57 - the ten digits:

Dec  Hex   Oct    Binary  Char  Name
---  ----  ---  --------  ----  -------
 48  0x30  060  00110000   0    Digit 0
 49  0x31  061  00110001   1    Digit 1
 50  0x32  062  00110010   2    Digit 2
 51  0x33  063  00110011   3    Digit 3
 52  0x34  064  00110100   4    Digit 4
 53  0x35  065  00110101   5    Digit 5
 54  0x36  066  00110110   6    Digit 6
 55  0x37  067  00110111   7    Digit 7
 56  0x38  070  00111000   8    Digit 8
 57  0x39  071  00111001   9    Digit 9

Printable view - 95 rows (code points 32-126), control characters hidden. First rows:

Dec  Hex   Oct    Binary  Char  Name
---  ----  ---  --------  ----  ----------------
 32  0x20  040  00100000   ␣    Space
 33  0x21  041  00100001   !    Exclamation mark
 34  0x22  042  00100010   "    Quotation mark
 35  0x23  043  00100011   #    Number sign
 36  0x24  044  00100100   $    Dollar sign
 37  0x25  045  00100101   %    Percent sign
 38  0x26  046  00100110   &    Ampersand

Good to know

Control vs. printable follows the standard split: 0-31 and 127 are control characters; 32 (space) through 126 (~) are printable. Space renders as ␣ so it stays visible in the text table; controls 0-31 show their control-picture glyphs (␀ for NUL, ␡ for DEL).
Hex / octal / binary are zero-padded to a fixed width (0x41, 101, 01000001) so the columns line up and are easy to compare.
Escape sequences (\0, \a, \b, \t, \n, \v, \f, \r, \e) are shown after the name for the control characters that have a common C-style escape; the rest list only their name.
The text is the artifact - what you copy or download is byte-for-byte what the panel shows, with the name column sized to the widest row in the current view.
Shareable: the search query (q), view (view=printable), and range (min, max) are all encoded in the URL.
Private: the table is generated locally - nothing is sent anywhere.
Related tools: Markdown Table Generator, Statistics Calculator, Semver Checker.