Mã Alt

Toàn bộ mã Alt trên Windows trong một danh sách. Giữ Alt, gõ số trên bàn phím số rồi nhả ra. Hoặc chỉ cần nhấp vào ký hiệu để sao chép.

Mã Alt dùng nhiều nhất

Mã Alt 1–31 và 127

Mặt cười, chất bài, mũi tên và nốt nhạc từ bộ ký tự IBM PC gốc.

Ký hiệu	Mã Alt	Tên
	`Alt 1`	white smiling face
	`Alt 2`	black smiling face
	`Alt 3`	black heart suit
	`Alt 4`	black diamond suit
	`Alt 5`	black club suit
	`Alt 6`	black spade suit
	`Alt 7`	bullet
	`Alt 8`	inverse bullet
	`Alt 9`	white circle
	`Alt 10`	inverse white circle
	`Alt 11`	male sign
	`Alt 12`	female sign
	`Alt 13`	eighth note
	`Alt 14`	beamed eighth notes
	`Alt 15`	white sun with rays
	`Alt 16`	black right-pointing pointer
	`Alt 17`	black left-pointing pointer
	`Alt 18`	up down arrow
	`Alt 19`	double exclamation mark
	`Alt 20`	pilcrow sign
	`Alt 21`	section sign
	`Alt 22`	black rectangle
	`Alt 23`	up down arrow with base
	`Alt 24`	upwards arrow
	`Alt 25`	downwards arrow
	`Alt 26`	rightwards arrow
	`Alt 27`	leftwards arrow
	`Alt 28`	right angle
	`Alt 29`	left right arrow
	`Alt 30`	black up-pointing triangle
	`Alt 31`	black down-pointing triangle
	`Alt 127`	house

Mã Alt 128–255

Chữ có dấu, ký tự vẽ khung, chữ Hy Lạp và ký hiệu toán học (bảng mã 437).

Ký hiệu	Mã Alt	Tên
	`Alt 128`	capital c with cedilla
	`Alt 129`	small u with diaeresis
	`Alt 130`	small e with acute
	`Alt 131`	small a with circumflex
	`Alt 132`	small a with diaeresis
	`Alt 133`	small a with grave
	`Alt 134`	small a with ring above
	`Alt 135`	small c with cedilla
	`Alt 136`	small e with circumflex
	`Alt 137`	small e with diaeresis
	`Alt 138`	small e with grave
	`Alt 139`	small i with diaeresis
	`Alt 140`	small i with circumflex
	`Alt 141`	small i with grave
	`Alt 142`	capital a with diaeresis
	`Alt 143`	capital a with ring above
	`Alt 144`	capital e with acute
	`Alt 145`	small ae
	`Alt 146`	capital ae
	`Alt 147`	small o with circumflex
	`Alt 148`	small o with diaeresis
	`Alt 149`	small o with grave
	`Alt 150`	small u with circumflex
	`Alt 151`	small u with grave
	`Alt 152`	small y with diaeresis
	`Alt 153`	capital o with diaeresis
	`Alt 154`	capital u with diaeresis
	`Alt 155`	cent sign
	`Alt 156`	pound sign
	`Alt 157`	yen sign
	`Alt 158`	peseta sign
	`Alt 159`	small f with hook
	`Alt 160`	small a with acute
	`Alt 161`	small i with acute
	`Alt 162`	small o with acute
	`Alt 163`	small u with acute
	`Alt 164`	small n with tilde
	`Alt 165`	capital n with tilde
	`Alt 166`	feminine ordinal indicator
	`Alt 167`	masculine ordinal indicator
	`Alt 168`	inverted question mark
	`Alt 169`	reversed not sign
	`Alt 170`	not sign
	`Alt 171`	vulgar fraction one half
	`Alt 172`	vulgar fraction one quarter
	`Alt 173`	inverted exclamation mark
	`Alt 174`	left-pointing double angle quotation mark
	`Alt 175`	right-pointing double angle quotation mark
	`Alt 176`	light shade
	`Alt 177`	medium shade
	`Alt 178`	dark shade
	`Alt 179`	box drawings light vertical
	`Alt 180`	box drawings light vertical and left
	`Alt 181`	box drawings vertical single and left double
	`Alt 182`	box drawings vertical double and left single
	`Alt 183`	box drawings down double and left single
	`Alt 184`	box drawings down single and left double
	`Alt 185`	box drawings double vertical and left
	`Alt 186`	box drawings double vertical
	`Alt 187`	box drawings double down and left
	`Alt 188`	box drawings double up and left
	`Alt 189`	box drawings up double and left single
	`Alt 190`	box drawings up single and left double
	`Alt 191`	box drawings light down and left
	`Alt 192`	box drawings light up and right
	`Alt 193`	box drawings light up and horizontal
	`Alt 194`	box drawings light down and horizontal
	`Alt 195`	box drawings light vertical and right
	`Alt 196`	box drawings light horizontal
	`Alt 197`	box drawings light vertical and horizontal
	`Alt 198`	box drawings vertical single and right double
	`Alt 199`	box drawings vertical double and right single
	`Alt 200`	box drawings double up and right
	`Alt 201`	box drawings double down and right
	`Alt 202`	box drawings double up and horizontal
	`Alt 203`	box drawings double down and horizontal
	`Alt 204`	box drawings double vertical and right
	`Alt 205`	box drawings double horizontal
	`Alt 206`	box drawings double vertical and horizontal
	`Alt 207`	box drawings up single and horizontal double
	`Alt 208`	box drawings up double and horizontal single
	`Alt 209`	box drawings down single and horizontal double
	`Alt 210`	box drawings down double and horizontal single
	`Alt 211`	box drawings up double and right single
	`Alt 212`	box drawings up single and right double
	`Alt 213`	box drawings down single and right double
	`Alt 214`	box drawings down double and right single
	`Alt 215`	box drawings vertical double and horizontal single
	`Alt 216`	box drawings vertical single and horizontal double
	`Alt 217`	box drawings light up and left
	`Alt 218`	box drawings light down and right
	`Alt 219`	full block
	`Alt 220`	lower half block
	`Alt 221`	left half block
	`Alt 222`	right half block
	`Alt 223`	upper half block
	`Alt 224`	greek small alpha
	`Alt 225`	small sharp s
	`Alt 226`	greek capital gamma
	`Alt 227`	greek small pi
	`Alt 228`	greek capital sigma
	`Alt 229`	greek small sigma
	`Alt 230`	micro sign
	`Alt 231`	greek small tau
	`Alt 232`	greek capital phi
	`Alt 233`	greek capital theta
	`Alt 234`	greek capital omega
	`Alt 235`	greek small delta
	`Alt 236`	infinity
	`Alt 237`	greek small phi
	`Alt 238`	greek small epsilon
	`Alt 239`	intersection
	`Alt 240`	identical to
	`Alt 241`	plus-minus sign
	`Alt 242`	greater-than or equal to
	`Alt 243`	less-than or equal to
	`Alt 244`	top half integral
	`Alt 245`	bottom half integral
	`Alt 246`	division sign
	`Alt 247`	almost equal to
	`Alt 248`	degree sign
	`Alt 249`	bullet operator
	`Alt 250`	middle dot
	`Alt 251`	square root
	`Alt 252`	superscript small n
	`Alt 253`	superscript two
	`Alt 254`	black square
(trống)	`Alt 255`	no-break space

Mã Alt 0128–0255

Gõ số 0 ở đầu. Tiền tệ, dấu ngoặc kép, dấu gạch ngang, © ® ™ và chữ có dấu (Windows-1252).

Ký hiệu	Mã Alt	Tên
	`Alt 0128`	euro sign
	`Alt 0130`	single low-9 quotation mark
	`Alt 0131`	small f with hook
	`Alt 0132`	double low-9 quotation mark
	`Alt 0133`	horizontal ellipsis
	`Alt 0134`	dagger
	`Alt 0135`	double dagger
	`Alt 0136`	modifier circumflex accent
	`Alt 0137`	per mille sign
	`Alt 0138`	capital s with caron
	`Alt 0139`	single left-pointing angle quotation mark
	`Alt 0140`	capital ligature oe
	`Alt 0142`	capital z with caron
	`Alt 0145`	left single quotation mark
	`Alt 0146`	right single quotation mark
	`Alt 0147`	left double quotation mark
	`Alt 0148`	right double quotation mark
	`Alt 0149`	bullet
	`Alt 0150`	en dash
	`Alt 0151`	em dash
	`Alt 0152`	small tilde
	`Alt 0153`	trade mark sign
	`Alt 0154`	small s with caron
	`Alt 0155`	single right-pointing angle quotation mark
	`Alt 0156`	small ligature oe
	`Alt 0158`	small z with caron
	`Alt 0159`	capital y with diaeresis
(trống)	`Alt 0160`	no-break space
	`Alt 0161`	inverted exclamation mark
	`Alt 0162`	cent sign
	`Alt 0163`	pound sign
	`Alt 0164`	currency sign
	`Alt 0165`	yen sign
	`Alt 0166`	broken bar
	`Alt 0167`	section sign
	`Alt 0168`	diaeresis
	`Alt 0169`	copyright sign
	`Alt 0170`	feminine ordinal indicator
	`Alt 0171`	left-pointing double angle quotation mark
	`Alt 0172`	not sign
(trống)	`Alt 0173`	soft hyphen
	`Alt 0174`	registered sign
	`Alt 0175`	macron
	`Alt 0176`	degree sign
	`Alt 0177`	plus-minus sign
	`Alt 0178`	superscript two
	`Alt 0179`	superscript three
	`Alt 0180`	acute accent
	`Alt 0181`	micro sign
	`Alt 0182`	pilcrow sign
	`Alt 0183`	middle dot
	`Alt 0184`	cedilla
	`Alt 0185`	superscript one
	`Alt 0186`	masculine ordinal indicator
	`Alt 0187`	right-pointing double angle quotation mark
	`Alt 0188`	vulgar fraction one quarter
	`Alt 0189`	vulgar fraction one half
	`Alt 0190`	vulgar fraction three quarters
	`Alt 0191`	inverted question mark
	`Alt 0192`	capital a with grave
	`Alt 0193`	capital a with acute
	`Alt 0194`	capital a with circumflex
	`Alt 0195`	capital a with tilde
	`Alt 0196`	capital a with diaeresis
	`Alt 0197`	capital a with ring above
	`Alt 0198`	capital ae
	`Alt 0199`	capital c with cedilla
	`Alt 0200`	capital e with grave
	`Alt 0201`	capital e with acute
	`Alt 0202`	capital e with circumflex
	`Alt 0203`	capital e with diaeresis
	`Alt 0204`	capital i with grave
	`Alt 0205`	capital i with acute
	`Alt 0206`	capital i with circumflex
	`Alt 0207`	capital i with diaeresis
	`Alt 0208`	capital eth
	`Alt 0209`	capital n with tilde
	`Alt 0210`	capital o with grave
	`Alt 0211`	capital o with acute
	`Alt 0212`	capital o with circumflex
	`Alt 0213`	capital o with tilde
	`Alt 0214`	capital o with diaeresis
	`Alt 0215`	multiplication sign
	`Alt 0216`	capital o with stroke
	`Alt 0217`	capital u with grave
	`Alt 0218`	capital u with acute
	`Alt 0219`	capital u with circumflex
	`Alt 0220`	capital u with diaeresis
	`Alt 0221`	capital y with acute
	`Alt 0222`	capital thorn
	`Alt 0223`	small sharp s
	`Alt 0224`	small a with grave
	`Alt 0225`	small a with acute
	`Alt 0226`	small a with circumflex
	`Alt 0227`	small a with tilde
	`Alt 0228`	small a with diaeresis
	`Alt 0229`	small a with ring above
	`Alt 0230`	small ae
	`Alt 0231`	small c with cedilla
	`Alt 0232`	small e with grave
	`Alt 0233`	small e with acute
	`Alt 0234`	small e with circumflex
	`Alt 0235`	small e with diaeresis
	`Alt 0236`	small i with grave
	`Alt 0237`	small i with acute
	`Alt 0238`	small i with circumflex
	`Alt 0239`	small i with diaeresis
	`Alt 0240`	small eth
	`Alt 0241`	small n with tilde
	`Alt 0242`	small o with grave
	`Alt 0243`	small o with acute
	`Alt 0244`	small o with circumflex
	`Alt 0245`	small o with tilde
	`Alt 0246`	small o with diaeresis
	`Alt 0247`	division sign
	`Alt 0248`	small o with stroke
	`Alt 0249`	small u with grave
	`Alt 0250`	small u with acute
	`Alt 0251`	small u with circumflex
	`Alt 0252`	small u with diaeresis
	`Alt 0253`	small y with acute
	`Alt 0254`	small thorn
	`Alt 0255`	small y with diaeresis

Cách gõ mã Alt

Đảm bảo Num Lock đang bật.
Giữ phím Alt bên trái.
Gõ mã trên bàn phím số, kể cả số 0 ở đầu nếu có.
Nhả phím Alt. Ký hiệu sẽ xuất hiện.

Mã Alt là tính năng của Windows. Chúng hoạt động trong hầu hết ứng dụng máy tính như Word, Notepad và trình duyệt web. Trên máy Mac hãy dùng phím tắt Option, còn trên điện thoại hãy sao chép ký hiệu từ bàn phím ký hiệu. Lập trình viên web có thể dùng mã ký hiệu HTML thay thế.

Câu hỏi thường gặp

Làm sao để dùng mã Alt?

Bật Num Lock, giữ phím Alt, gõ số trên bàn phím số (không phải hàng số phía trên), rồi nhả Alt. Ký hiệu sẽ xuất hiện tại vị trí con trỏ.

Tại sao mã Alt không hoạt động trên laptop của tôi?

Mã Alt cần bàn phím số. Trên laptop không có bàn phím số, hãy dùng bàn phím ảo, bảng biểu tượng cảm xúc và ký hiệu (Win + .), hoặc sao chép ký hiệu từ trang này.

Alt 0169 và Alt 169 khác nhau thế nào?

Mã có số 0 ở đầu dùng bộ ký tự Windows-1252, còn mã không có số 0 dùng bảng mã IBM PC 437 cũ hơn. Vì vậy Alt 0169 cho ©, nhưng Alt 169 cho ⌐.

Mã Alt có dùng được trên máy Mac không?

Không. Trên máy Mac, hãy dùng phím tắt với phím Option như Option + G cho © hoặc Option + 2 cho ™, hoặc mở Trình xem ký tự bằng Control + Command + Space.