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Cach chinh sua ma code online - mien phi, ngay tren trinh duyet

Chinh sua ma code ngay tren trinh duyet trong mot trinh soan thao day du va mien phi - dong co dang sau VS Code. Chon trong 18 ngon ngu, doi giao dien, mo mot tap tin de chinh sua va luu cong viec ra tap tin hoac tai xuong. Tat ca chay tren thiet bi cua ban.

Last reviewed: 2026-06-16

FreetoolOnline editorial team

Thuoc tinh	Gia tri
Dinh dang	Truc tuyen, khong cai dat, khong dang ky
Chi phi	Mien phi
Cong cu trien khai	https://freetoolonline.com/developer-tools/code-editor.html

Cac buoc

Bon buoc chinh sua code truc tuyen: mo editor, chon ngon ngu, chon giao dien, nhap hoac dan code. — Bat dau chinh sua code trong bon buoc - chon ngon ngu, giao dien va bat dau.

Mo cong cu va nhan Launch editor; trinh soan thao se tai trong trinh duyet o lan dau.
Chon mot ngon ngu trong danh sach de co to mau cu phap phu hop voi ma cua ban.
Chon giao dien sang, toi hoac tuong phan cao cho man hinh cua ban.
Go hoac dan ma cua ban, hoac nhan Open a file de tai mot tap tin tu thiet bi.
Nhan Save / Download de ghi cong viec ra tap tin (hoac tai xuong).
Tuy chon, dat ten noi dung va nhan Save snippet de luu trong trinh duyet nay cho lan sau.

Ngon ngu va loai tap tin

Bon ngon ngu trong code editor: JavaScript (.js), TypeScript (.ts), Python (.py) va HTML (.html). — Bon ngon ngu voi to mau cu phap - dan hoac mo tap tin cua ban.

Trinh soan thao to mau 18 ngon ngu va chon phan mo rong tap tin phu hop khi luu. Mot so loai pho bien:

Ngon ngu	Phan mo rong tap tin
JavaScript	.js
TypeScript	.ts
Python	.py
HTML	.html
CSS	.css
JSON	.json

Luu va snippet

Tren cac trinh duyet nen Chromium, nut Save ghi truc tiep vao tap tin ban chon; tren Firefox va Safari no tai tap tin xuong. Cac snippet co ten duoc luu trong bo nho cuc bo cua trinh duyet nay, nen chung van con khi ban quay lai tren cung thiet bi va trinh duyet - chung khong dong bo giua cac thiet bi, va xoa du lieu trang web nay trong trinh duyet se xoa chung.

Cong cu nay khong lam gi

Day la trinh soan thao, khong phai trinh chay. No viet, to mau va luu ma, nhung khong chay hay thuc thi ma cua ban - hay chay trong moi truong cua rieng ban. Khong gi ban go duoc tai len; trinh soan thao hoat dong hoan toan tren thiet bi cua ban.

← Quay lai cong cu cho nha phat trien

Last updated: Jul 8, 2026

Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. No account is needed to use any tool. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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