GIF (Dinh dang Trao doi Do hoa)

GIF la dinh dang hinh anh bitmap noi tieng nhat voi kha nang ho tro hoat hinh don gian. No su dung nen khong mat du lieu LZW nhung bi gioi han o bang mau 256 mau cho moi khung hinh. GIF van pho bien cho cac clip hoat hinh ngan, hinh anh phan ung va do hoa don gian.

Loại MIME

image/gif

Loại

Nhị phân

Nén

Không mất dữ liệu

Ưu điểm

+ Native animation support without JavaScript
+ Universal browser support since the 1990s
+ Simple 1-bit transparency

Nhược điểm

− Limited to 256 colors per frame
− Large file sizes for animations compared to video
− No alpha transparency (only on/off)

Khi nào nên dùng .GIF

Su dung GIF cho hoat hinh don gian, hinh anh phan ung va do hoa nho voi mau sac han che. Doi voi anh chup, nen dung JPEG hoac WebP.

Chi tiết kỹ thuật

GIF su dung nen LZW voi bang mau toi da 256 mau cho moi khung hinh. Hoat hinh dat duoc bang cach luu nhieu khung hinh voi cai dat do tre va huy bo cho tung khung hinh.

Lịch sử

GIF duoc CompuServe gioi thieu vao nam 1987 va tro thanh mot trong nhung dinh dang hinh anh dau tien duoc su dung tren web. Phien ban GIF hoat hinh (GIF89a) duoc phat hanh vao nam 1989.

Chuyển đổi từ .GIF

.gif → .apng .gif → .avi .gif → .avif .gif → .bmp .gif → .heic .gif → .ico .gif → .jpg .gif → .jxl .gif → .mkv .gif → .mov .gif → .mp4 .gif → .png .gif → .psd .gif → .raw .gif → .tiff .gif → .webm .gif → .webp

Chuyển đổi sang .GIF

.apng → .gif .avi → .gif .avif → .gif .bmp → .gif .heic → .gif .ico → .gif .jpg → .gif .jxl → .gif .mkv → .gif .mov → .gif .mp4 → .gif .png → .gif .psd → .gif .raw → .gif .tiff → .gif .webm → .gif .webp → .gif

Định dạng liên quan

.ai .apng .arw .avif .bmp .cr2 .dng .eps .heic .heif .ico .jpeg .jpg .jxl .nef .png .psd .qoi .raw .svg .tif .tiff .webp .xcf

Thuật ngữ liên quan

APNG AVIF Sequence GIF

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Trường hợp sử dụng

C Creating Animated GIF Previews from Video Clips M Creating Animated GIFs for Email Marketing Campaigns