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Cach Nen Tep Truc Tuyen (Tung Buoc)

Cap nhat lan cuoi: 2026-04-27. Moi buoc duoi day chay trong trinh duyet tren thiet bi cua ban. Tep ban nen khong bao gio roi may tinh hay dien thoai.

Dap an 30 giay. Xac dinh loai tep truoc, sau do chon cong cu phu hop. Anh JPG / PNG: Compress Image o chat luong 80 thuong tiet kiem 50-70%. Anh HEIC: HEIC to JPG - chuyen doi la chien thang kich thuoc. PDF: Flatten PDF khi bieu mau / chu thich lam phinh tep. Video don: ma hoa lai voi bitrate thap hon (cong cu trinh duyet xu ly clip ngan). Tai lieu / bang tinh / tep ma nguon: ZIP no - DEFLATE cat tep nhieu van ban 50-80%. Neu dau vao la thu muc, khong phai tep don, nhay den cach nen thu muc cho email thay vi.

Buoc 1 - xac dinh loai tep

Tim kiem "nen tep truc tuyen" tra ve cong cu chung co xu ly moi loai bang cung thuat toan. Viec do hoat dong cho mot so dau vao va kem hieu suat cho khac. Nhin phan mo rong tep truoc:

  • .jpg / .jpeg / .png -> duong nen hinh anh (Buoc 2A).
  • .heic / .heif -> chuyen sang JPG truoc; chuyen doi la chien thang kich thuoc lon hon bat ky luot nen nao (Buoc 2B).
  • .pdf -> duong PDF-cu-the flatten / re-save (Buoc 2C).
  • .mp4 / .mov / .mkv -> ma hoa lai voi bitrate thap hon (Buoc 2D).
  • .docx / .xlsx / .pptx / .csv / .txt / .json / .xml / ma nguon -> duong ZIP-no (Buoc 2E).
  • .mp3 / .wav / .flac -> ma hoa lai am thanh (Buoc 2F).

Neu ban co thu muc thay vi tep don, ZIP la cau tra loi vi ZIP ca dong goi va nen trong mot buoc. Trinh nen tep vs ZIP bao gom quyet dinh thu-muc-vs-tep chi tiet.

Buoc 2A - Anh JPG / PNG

Mo Compress Image, keo anh cua ban vao vung tha, dat chat luong 80 (mac dinh), va tai xuong. Anh JPG iPhone 5 MB thuong con 1-1.5 MB o chat luong 80 khong co khac biet nhin thay tru khi ban zoom den 200%. Neu can ket qua nho hon, ha chat luong xuong 70 - tiet kiem giam dan duoi muc do.

PNG la dinh dang khong mat du lieu. Neu "anh PNG" thuc ra la anh chup, luu no duoi dang JPG thay vi - cat kich thuoc lon hon nhieu. PNG nen danh cho anh chup man hinh, mockup UI, line art, va bat ky anh nao can trong suot. JPG vs PNG cho web di qua lua chon dinh dang.

Buoc 2B - Anh HEIC

Tep HEIC tu iPhone da nho (ma hoa HEVC), nen nen lai hiem khi giup. Van de lon hon la tuong thich - HEIC khong mo duoc tren Windows, Android cu, hau het trinh duyet, va hau het client email ma khong can cai codec tra phi. Mo HEIC to JPG, keo tep .heic vao, tai .jpg ve. Ban sao JPG kich thuoc tuong duong hoac hoi lon hon nhung mo moi noi. Cho cong viec HEIC theo lo xem cach chuyen 100 anh HEIC sang JPG.

Buoc 2C - Tep PDF

PDF den trong hai dang. PDF tai lieu quet (lon vi moi trang la anh do phan giai cao) nen bang cach luu lai voi chat luong anh thap hon - duong do can phan mem PDF chuyen dung ngoai pham vi cong cu trinh duyet. PDF van ban da bi phinh boi truong bieu mau, chu thich, hoac lich su sua doi nen tot qua Flatten PDF - lam phang loai bo cac lop co the chinh sua, giam PDF bieu mau 12 MB xuong 2-3 MB. Neu ban co chong PDF nho de gui mot nguoi, gop chung thanh mot thuong la muc tieu thay vi nen tung cai - dung Compose PDF.

Cho them dinh tuyen PDF xem thang chinh sua PDF.

Buoc 2D - Tep video

Nen video chi-trinh-duyet kha thi cho clip ngan (duoi 60 giay o 1080p). Mo Video Converter, dat bitrate dau ra 1500 kbps cho 1080p hoac 800 kbps cho 720p, va ma hoa lai. Clip dien thoai 60 MB thuong con 8-15 MB. Cho video dai hon hoac nguon 4K, gioi han bo nho trinh duyet tro thanh van de; dung FFmpeg cuc bo thay vi - FFmpeg truc tuyen vs FFmpeg cuc bo bao gom truong hop bien.

Buoc 2E - Tai lieu va ma nguon

Day la duong ma hau het ket qua "trinh nen tep mien phi" bo qua. DOCX 30 trang, CSV 200 hang, tep ma nguon 4.000 dong - tat ca nhung thu nay co ty le nen lon duoi DEFLATE. Mo Zip File, tha tep, tai .zip ve. DOCX 12 MB voi anh chup man hinh nhung thuong con 4-5 MB. Ma nguon van ban thuan co the co lai 70-80%. Dung bo qua buoc nay neu tep nhieu van ban; do la cat kich thuoc duoc de nghi co san ma khong mat do trung thuc.

Buoc 2F - Tep am thanh

ZIP trinh duyet khong giup vi dinh dang am thanh da duoc nen. Duong dung la chuyen doi dinh dang - WAV sang MP3 o 192 kbps, hoac FLAC sang OGG. Cong cu trinh duyet cho ma hoa lai am thanh co han; phan mem chuyen dung (Audacity, fre:ac) nhanh hon cho truong hop nay. Ngoai le: neu ban co WAV 5 MB duy nhat can vua gioi han tai len 2 MB, chuyen doi truc tuyen on.

Buoc 3 - xac minh dau ra

Sau nen, kiem tra ba dieu truoc khi gui:

  • Mo tep da nen mot lan. Trinh nen anh hiem khi san sinh JPG hong, nhung PDF hoac video hong trong on trong trinh quan ly tep va chi that bai khi nguoi nhan mo no.
  • Kiem tra kich thuoc so voi gioi han ban can. Gioi han email thuong la dinh kem 25 MB, doi khi 10 MB. Mot so bieu mau web gioi han truong rieng le o 5 MB.
  • Neu tep di den he thong hop dong / phap ly / ngan hang, giu ban goc. Mot so nguoi nhan tu choi tep nen co mat vi ho phai chap nhan ban goc bit-chinh-xac.

Se the nao neu ket qua van qua lon?

Neu tep da nen van tren gioi han, hai tuy chon thuong hoat dong. Chuyen dinh dang: nhieu tep "da nen" van o sai dinh dang. Anh PNG sang JPG co the cho 90% cat kich thuoc, ngay ca sau khi nen JPG. Dung lien ket chuyen: Drive, Dropbox, WeTransfer deu cho ban URL de gui thay vi dinh kem. Nguoi nhan tai tep goc voi do trung thuc day du. Cho tep lon hon 25 MB day gan nhu luon la cau tra loi dung.

Neu tep cua ban le ra la thu muc tep, ZIP la cau tra loi (mot ZIP, tat ca tep ben trong). Xem cach nen thu muc cho email. Neu ban da co ZIP qua lon, xem cach giam kich thuoc tep zip truc tuyen.

Quyen rieng tu

Moi cong cu lien ket trong huong dan nay chay trong trinh duyet tren thiet bi cua ban. Tep ban nen khong bao gio tai len may chu. Dieu do quan trong neu tep chua thu gi ca nhan, tai chinh, y te, hay bi mat cong viec. Cho boi canh xem cong cu truc tuyen mien phi hoat dong ma khong tai tep.

Reviewed by the Free Tool Online editorial team · Tested in the current versions of Chrome, Firefox, Safari, and Edge before publishing. Your file is processed in your browser and never uploaded. Report a bug - we triage within 72 hours. · Last refreshed April 2026.

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