Nen Kich Thuoc ZIP: Tep Luu Tru Se Nho Hon Bao Nhieu Thuc Te?
"Nen kich thuoc ZIP" nghe nhu mot thanh truot ban co the day, nhung cau tra loi nam o phia dau vao, khong phai phia tep luu tru. Mot thu muc day van ban thuan, ma nguon, nhat ky hoac CSV thuong co lai 60 den 80 phan tram ben trong mot tep .zip, vi buoc DEFLATE loai bo cac doan dai co khuon mau lap lai. Mot thu muc anh JPG, video MP4 hoac am thanh MP3 co lai khoang 0 den 5 phan tram, vi moi tep da duoc nen theo kieu DEFLATE boi codec rieng cua no truoc khi vao thu muc. Muc giam kich thuoc duoc quyet dinh boi thu ban dua vao tep luu tru.
Cap nhat lan cuoi: 2026-05-15
| Loai dau vao | Muc giam ZIP dien hinh |
|---|---|
| Van ban thuan, CSV, JSON, nhat ky | nho hon 60 den 80 phan tram |
| Ma nguon (.js, .py, .java, .html) | nho hon 50 den 80 phan tram |
| Bitmap chua nen (BMP, TIFF) | nho hon 40 den 70 phan tram |
| Tai lieu Office (DOCX, XLSX, PPTX) | nho hon 0 den 10 phan tram (da la ZIP ben trong) |
| Anh JPG | 0 den 3 phan tram (doi khi tang 1 phan tram) |
| MP4 / MOV / MP3 / M4A | 0 den 2 phan tram (doi khi tang 1 den 2 phan tram) |
| PDF (hau het PDF hien dai) | 0 den 5 phan tram (luong noi dung da duoc nen) |
Noi thuc su dung tep luu tru: trinh tao ZIP trong trinh duyet nam tai https://freetoolonline.com/zip-tools/zip-file.html. Keo thu muc vao, cong cu dong goi moi tep thanh mot .zip duy nhat tren thiet bi cua ban, va luot tai ve den ma noi dung khong he cham may chu. Muc giam kich thuoc ban doc trong bang tren la thu ban se thay trong thuoc tinh cua tep ket qua.
Con cai dat "muc nen" thi sao? Tren thuc te, hay de nguyen mac dinh DEFLATE chuan. Maximum hoac Ultra them thoi gian CPU phia ban va hiem khi cat duoc hon vai phan tram bo sung khoi mot tep luu tru nang van ban; Store hoac Fast chi giup khi toc do quan trong hon kich thuoc. Kha nang nen cua dau vao (bang tren) dat tran cho muc nho ma tep luu tru co the dat; thanh truot muc chu yeu thay doi thoi gian dung, khong phai viec no co co lai hay khong.
Neu ban can kich thuoc muc tieu cu the. Khi muc tieu la "vua duoi 25 MB de gui email" thay vi "lam nho het muc co the", cong cu phu hop la bien the theo kich thuoc muc tieu tai cach nen ZIP nho hon (huong dan tung buoc voi gioi han 2 MB / 25 MB / 100 MB). Cho cau hoi khai niem co ban "khi nao ZIP thuc su tiet kiem khong gian", huong dan anh em tai nen ZIP se lam ro. Trang nay la cau tra loi thuc te "no se co lai bao nhieu?" cho thu muc ban da co.
Neu phan lon thu muc cua ban la phuong tien. Chia phan phoi truoc khi luu tru. Nen cac tep dang van ban cung nhau de co chien thang thuc su ve kich thuoc, roi de anh, video va am thanh nguyen trang hoac tai ma hoa chung bang cong cu rieng cua chung (doi kich thuoc, chinh chat luong JPEG hoac chuyen ma MP4). Hai manh nho thuong nho hon mot ZIP boc quanh phuong tien khong con gi de nen.
Tep luu tru khong the giup gi. PDF da ma hoa, ZIP da dat mat khau, MP4 va bat ky tep nao da duoc ma hoa bang codec hien dai khong mat du lieu hoac co mat du lieu deu khong the nen duoc ve mat so hoc boi ZIP. Thuat toan DEFLATE can cac khuon mau lap lai de tim ky hieu ngan hon; van ban ma hoa va dau ra codec co y trong ngau nhien va khong co gi lap lai de loai bo. Dau ra cua ZIP tren cac dau vao nay xap xi kich thuoc dau vao cong voi mot chut phu phi dong goi, doi khi lon hon ban goc mot chut.