Nén hình ảnh trực tuyến
Nén ảnh hoặc giảm kích thước hình mà không làm giảm chất lượng — miễn phí, trực tuyến và không cần đăng ký
Làm thế nào để nén hình ảnh trực tuyến?
Tại sao chọn chúng tôi
Chúng tôi đảm bảo chất lượng, tiện lợi và hỗ trợ mọi định dạng.
Công cụ hình ảnh
Chuyển đổi, nén, thay đổi kích thước và chỉnh sửa hình ảnh trực tuyến.
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2030.2%2030.2'%20style='enable-background:new%200%200%2030.2%2030.2;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23D9EFBD;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st1{fill:%238BC34A;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st2{fill:%23FFFFFF;}%20%3c/style%3e%3cg%20id='Layer_2_1_'%3e%3cg%20id='Layer_1-2'%3e%3cg%20id='Layer_2-2'%3e%3cg%20id='Layer_1-2-2'%3e%3cpath%20class='st0'%20d='M29.7,7.7v6.1c0,5.1-2,7.2-7.2,7.2H21v-4.5c0-5.1-2-7.1-7.2-7.1H9.3V7.7c0-5.1,2-7.2,7.1-7.2h6.1%20C27.7,0.5,29.7,2.5,29.7,7.7z'/%3e%3cpath%20class='st1'%20d='M21.4,16v6.1c0,5.1-2,7.2-7.2,7.2H8.1c-5.1,0-7.2-2-7.2-7.2V16c0-5.1,2-7.1,7.2-7.1h6.1%20C19.3,8.8,21.4,10.9,21.4,16z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3cg%3e%3cpath%20class='st2'%20d='M9.1,20.8c-0.1,0-0.2-0.1-0.3-0.1H6.2c-0.4,0-0.7,0.3-0.7,0.7c0,0.4,0.3,0.7,0.7,0.7h1.1l-3.5,3.5%20c-0.3,0.3-0.3,0.7,0,0.9c0,0,0,0,0,0c0.3,0.3,0.7,0.3,0.9,0c0,0,0,0,0,0L8.2,23V24c0,0.4,0.3,0.7,0.7,0.7c0.4,0,0.7-0.3,0.7-0.7%20v-2.6c0-0.1,0-0.2-0.1-0.3C9.4,21,9.2,20.8,9.1,20.8z'/%3e%3cpath%20class='st2'%20d='M13.2,17.3c0.1,0,0.2,0.1,0.3,0.1h2.6c0.4,0,0.7-0.3,0.7-0.7c0-0.4-0.3-0.7-0.7-0.7h-1.1l3.5-3.5%20c0.3-0.3,0.3-0.7,0-0.9s-0.7-0.3-0.9,0l-3.5,3.5v-1.1c0-0.4-0.3-0.7-0.7-0.7c-0.4,0-0.7,0.3-0.7,0.7v2.6c0,0.1,0,0.2,0.1,0.3%20C12.9,17.2,13.1,17.3,13.2,17.3z'/%3e%3cpath%20class='st2'%20d='M8.8,13.4c-0.4,0-0.7,0.3-0.7,0.7v1.1l-3.5-3.5c-0.3-0.3-0.7-0.3-0.9,0s-0.3,0.7,0,0.9l3.5,3.5H6.2%20c-0.4,0-0.7,0.3-0.7,0.7c0,0.4,0.3,0.7,0.7,0.7h2.6c0.1,0,0.2,0,0.3-0.1c0.2-0.1,0.3-0.2,0.4-0.4c0-0.1,0.1-0.2,0.1-0.3v-2.6%20C9.5,13.7,9.2,13.4,8.8,13.4z'/%3e%3cpath%20class='st2'%20d='M18.6,25.5C18.6,25.5,18.6,25.5,18.6,25.5L15.1,22h1.1c0.4,0,0.7-0.3,0.7-0.7c0-0.4-0.3-0.7-0.7-0.7h-2.6%20c-0.1,0-0.2,0-0.3,0.1c-0.2,0.1-0.3,0.2-0.4,0.4c0,0.1-0.1,0.2-0.1,0.3V24c0,0.4,0.3,0.7,0.7,0.7c0.4,0,0.7-0.3,0.7-0.7V23l3.5,3.5%20c0.3,0.3,0.7,0.3,0.9,0c0,0,0,0,0,0C18.8,26.2,18.8,25.8,18.6,25.5z'/%3e%3c/g%3e%3c/svg%3e)
Nén hình ảnh
Giảm kích thước tệp hình ảnh và cải thiện hiệu suất trang web.
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2030.2%2030.2'%20style='enable-background:new%200%200%2030.2%2030.2;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23D3B8F4;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st1{fill:%239B51E0;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st2{fill:%23FFFFFF;}%20%3c/style%3e%3cg%20id='Layer_2_1_'%3e%3cg%20id='Layer_1-2'%3e%3cg%20id='Layer_2-2'%3e%3cg%20id='Layer_1-2-2'%3e%3cpath%20class='st0'%20d='M29.7,7.7v6.1c0,5.1-2,7.2-7.2,7.2H21v-4.5c0-5.1-2-7.1-7.2-7.1H9.3V7.7c0-5.1,2-7.2,7.1-7.2h6.1%20C27.7,0.5,29.7,2.5,29.7,7.7z'/%3e%3cpath%20class='st1'%20d='M21.4,16v6.1c0,5.1-2,7.2-7.2,7.2H8.1c-5.1,0-7.2-2-7.2-7.2V16c0-5.1,2-7.1,7.2-7.1h6.1%20C19.3,8.8,21.4,10.9,21.4,16z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3cpath%20class='st2'%20d='M14.4,26.2v-2.6H7.9c-0.4,0-0.7-0.1-0.9-0.4c-0.3-0.3-0.4-0.6-0.4-0.9v-6.4H4.1v-1.3h2.6V12h1.3v10.3h10.3v1.3%20h-2.6v2.6H14.4z%20M14.4,21v-5.2H9.2v-1.3h5.2c0.4,0,0.7,0.1,0.9,0.4c0.3,0.3,0.4,0.6,0.4,0.9V21H14.4z'/%3e%3c/svg%3e)
Cắt ảnh
Cắt ảnh để loại bỏ vùng không mong muốn hoặc điều chỉnh khung hình.
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2030.2%2030.2'%20style='enable-background:new%200%200%2030.2%2030.2;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23F2D3AA;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st1{fill:%23FF9800;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st2{fill:none;stroke:%23FFFFFF;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:5.3333;}%20%3c/style%3e%3cg%20id='Layer_2_1_'%3e%3cg%20id='Layer_1-2'%3e%3cg%20id='Layer_2-2'%3e%3cg%20id='Layer_1-2-2'%3e%3cpath%20class='st0'%20d='M29.7,7.7v6.1c0,5.1-2,7.2-7.2,7.2H21v-4.5c0-5.1-2-7.1-7.2-7.1H9.3V7.7c0-5.1,2-7.2,7.1-7.2h6.1%20C27.7,0.5,29.7,2.5,29.7,7.7z'/%3e%3cpath%20class='st1'%20d='M21.4,16v6.1c0,5.1-2,7.2-7.2,7.2H8.1c-5.1,0-7.2-2-7.2-7.2V16c0-5.1,2-7.1,7.2-7.1h6.1%20C19.3,8.8,21.4,10.9,21.4,16z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3cpath%20class='st2'%20d='M8.9,13.6c3-1.2,6.4,0.2,7.7,3.3s-0.2,6.4-3.3,7.7l0,0%20M13.3,21.2v3.7H17%20M6.5,15.5L6.5,15.5%20M5.3,18.3%20L5.3,18.3%20M5.7,21.3L5.7,21.3%20M7.6,23.7L7.6,23.7%20M10.4,24.8L10.4,24.8'/%3e%3c/svg%3e)
Xoay ảnh
Xoay ảnh ngay lập tức để sửa hướng ảnh.
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2030.2%2030.2'%20style='enable-background:new%200%200%2030.2%2030.2;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23BEE9F4;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st1{fill:%230EA5E9;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st2{fill:%23FFFFFF;}%20%3c/style%3e%3cg%20id='Layer_2_1_'%3e%3cg%20id='Layer_1-2'%3e%3cg%20id='Layer_2-2'%3e%3cg%20id='Layer_1-2-2'%3e%3cpath%20class='st0'%20d='M29.7,7.7v6.1c0,5.1-2,7.2-7.2,7.2H21v-4.5c0-5.1-2-7.1-7.2-7.1H9.3V7.7c0-5.1,2-7.2,7.1-7.2h6.1%20C27.7,0.5,29.7,2.5,29.7,7.7z'/%3e%3cpath%20class='st1'%20d='M21.4,16v6.1c0,5.1-2,7.2-7.2,7.2H8.1c-5.1,0-7.2-2-7.2-7.2V16c0-5.1,2-7.1,7.2-7.1h6.1%20C19.3,8.8,21.4,10.9,21.4,16z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3cpath%20class='st2'%20d='M7.3,12.2c-1.5,0-2.8,1.2-2.8,2.8v2.5c0,0.4,0.3,0.6,0.6,0.6c0.4,0,0.6-0.3,0.6-0.6v-2.5c0-0.8,0.7-1.5,1.5-1.5%20h2.5c0.4,0,0.6-0.3,0.6-0.6s-0.3-0.6-0.6-0.6H7.3z%20M12.8,12.2c-0.4,0-0.6,0.3-0.6,0.6s0.3,0.6,0.6,0.6h2.5c0.8,0,1.5,0.7,1.5,1.5%20v2.5c0,0.4,0.3,0.6,0.6,0.6s0.6-0.3,0.6-0.6v-2.5c0-1.5-1.2-2.8-2.8-2.8H12.8z%20M18.1,20.4c0-0.4-0.3-0.6-0.6-0.6s-0.6,0.3-0.6,0.6%20V23c0,0.8-0.7,1.5-1.5,1.5h-2.5c-0.4,0-0.6,0.3-0.6,0.6s0.3,0.6,0.6,0.6h2.5c1.5,0,2.8-1.2,2.8-2.8V20.4z%20M3.7,21.1%20c0-1.2,0.9-2.1,2.1-2.1h3.4c1.2,0,2.1,0.9,2.1,2.1v3.4c0,0.4-0.1,0.8-0.4,1.2l-2.6-2.6c-0.5-0.5-1.3-0.5-1.8,0c0,0,0,0,0,0L4,25.6%20c-0.2-0.3-0.4-0.8-0.3-1.2V21.1z%20M9.6,21.3c0-0.4-0.3-0.6-0.6-0.6s-0.6,0.3-0.6,0.6s0.3,0.6,0.6,0.6S9.6,21.6,9.6,21.3%20M4.6,26.2%20c0.3,0.2,0.7,0.4,1.2,0.4h3.4c0.4,0,0.8-0.1,1.2-0.4l-2.6-2.6c-0.2-0.2-0.4-0.2-0.6,0c0,0,0,0,0,0L4.6,26.2z'/%3e%3c/svg%3e)
Thay đổi kích thước ảnh
Thay đổi kích thước ảnh theo chiều rộng và chiều cao phù hợp cho web hoặc mạng xã hội.
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2030.2%2030.2'%20style='enable-background:new%200%200%2030.2%2030.2;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23A4EDED;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st1{fill:%2359B9BE;stroke:%23FFFFFF;stroke-linecap:round;stroke-linejoin:round;}%20.st2{fill:%23FFFFFF;}%20%3c/style%3e%3cg%20id='Layer_2_1_'%3e%3cg%20id='Layer_1-2'%3e%3cg%20id='Layer_2-2'%3e%3cg%20id='Layer_1-2-2'%3e%3cpath%20class='st0'%20d='M29.7,7.7v6.1c0,5.1-2,7.2-7.2,7.2H21v-4.5c0-5.1-2-7.1-7.2-7.1H9.3V7.7c0-5.1,2-7.2,7.1-7.2h6.1%20C27.7,0.5,29.7,2.5,29.7,7.7z'/%3e%3cpath%20class='st1'%20d='M21.4,16v6.1c0,5.1-2,7.2-7.2,7.2H8.1c-5.1,0-7.2-2-7.2-7.2V16c0-5.1,2-7.1,7.2-7.1h6.1%20C19.3,8.8,21.4,10.9,21.4,16z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/g%3e%3cpath%20class='st2'%20d='M5.2,17.3v-0.9l3.4-3.3h0.9L5.2,17.3z%20M5.2,14.4v-0.8l0.4-0.4h0.9L5.2,14.4z%20M13.4,15.2%20c-0.1-0.1-0.2-0.1-0.3-0.2C13,15,13,14.9,12.9,14.9l1.8-1.8h0.9L13.4,15.2z%20M5.6,21.8l2.3-2.2C8,19.7,8,19.8,8.1,19.8%20c0.1,0.1,0.1,0.2,0.2,0.2l-1.1,1c-0.2,0.1-0.5,0.2-0.8,0.3C6.1,21.5,5.9,21.6,5.6,21.8%20M14.6,17L14.6,17c0-0.1-0.1-0.2-0.1-0.3%20c0-0.1-0.1-0.2-0.1-0.3l2.8-2.6v0.9L14.6,17z%20M10.1,14.6l1.6-1.5h0.9l-1.4,1.4c0,0-0.1,0-0.1,0c0,0-0.1,0-0.1,0%20c-0.1,0-0.3,0-0.5,0.1C10.4,14.5,10.2,14.6,10.1,14.6%20M5.2,20.2v-0.9l2.5-2.4c0,0.1-0.1,0.3-0.1,0.4c0,0.1,0,0.3,0,0.4%20c0,0,0,0.1,0,0.1c0,0,0,0.1,0,0.1L5.2,20.2z%20M16,21.6c-0.1-0.1-0.2-0.1-0.3-0.2c-0.1-0.1-0.2-0.1-0.3-0.2l1.8-1.7v0.9L16,21.6z%20M14.5,20.1c0-0.1,0-0.2,0.1-0.2c0-0.1,0-0.2,0-0.2c0-0.1,0-0.2,0-0.3c0-0.1,0-0.2,0-0.3l2.6-2.5v0.9L14.5,20.1z%20M11.1,20.1%20c-0.6,0-1.2-0.2-1.6-0.6c-0.4-0.4-0.7-0.9-0.7-1.5c0-0.6,0.2-1.1,0.7-1.5s1-0.6,1.6-0.6c0.6,0,1.2,0.2,1.6,0.6%20c0.4,0.4,0.7,0.9,0.7,1.5c0,0.6-0.2,1.1-0.7,1.5C12.3,19.9,11.8,20.1,11.1,20.1%20M5.9,24.5v-0.4c0-0.3,0.1-0.6,0.3-0.9%20c0.2-0.2,0.4-0.4,0.7-0.6c0.6-0.3,1.3-0.5,2-0.7c0.7-0.2,1.5-0.3,2.3-0.3c0.8,0,1.5,0.1,2.3,0.3c0.7,0.2,1.4,0.4,2,0.7%20c0.3,0.1,0.5,0.3,0.7,0.6c0.2,0.2,0.3,0.5,0.3,0.9v0.4c0,0.2-0.1,0.3-0.2,0.4c-0.1,0.1-0.3,0.2-0.4,0.2H6.5c-0.2,0-0.3-0.1-0.4-0.2%20C6,24.8,5.9,24.7,5.9,24.5'/%3e%3c/svg%3e)
Xóa nền
Tự động xóa nền ảnh và tải xuống hình ảnh với nền trong suốt.
Câu hỏi thường gặp
How to Properly Optimize Images for the Web
Image optimization is essential for improving website loading speed and user experience. Properly optimized images reduce page weight, save bandwidth, and improve SEO performance.
Here are a few practical tips:
- Use modern formats like WebP, which offer high quality at smaller file sizes compared to JPG or PNG.
- Upload images in the exact size needed for display to avoid unnecessary weight.
- Compress images without quality loss to reduce file size while maintaining visual clarity.
- Remove unnecessary metadata — FastConvert automatically handles this during compression.
- Balance quality and file size to ensure your images look great and load fast on all devices.
By following these guidelines and using FastConvert, you ensure your website loads faster, ranks higher in search engines, and delivers a better experience for every visitor.
Tải lên tệp và chuyển đổi chúng sang định dạng mong muốn trong vài giây. Chất lượng tối đa, tiện lợi và an toàn.