Asset Resize

Resize khong phai keo to keo nho — moi ti le can re-compose de hierarchy van dung. 1 master design tot → 10+ variants: day la khau tiet kiem thoi gian nhieu nhat cua design production, va la viec dau tien sau campaign (repurpose winner o D+2).

Thu thap thong tin

Doc asset list (41-campaign-asset-list) neu co. Neu thieu, hoi toi da 4 cau:

1. Master design la gi? Link file goc (Canva/Figma) + kich thuoc va kenh ban dau?
2. Can resize ra kenh / kich thuoc nao? Liet ke het — hay lay theo asset list?
3. Element nao khong duoc mat? Text, CTA, logo, khuon mat, san pham — co element nao gan canh khong?
4. Duoc phep crop noi dung khong, hay phai giu nguyen toan bo?

Nguyen tac

1. Luon resize tu file goc (master) — khong resize tu file da resize (chat luong giam dan).
2. Element quan trong khong duoc crop o bat ky kich thuoc nao — focal point, CTA, logo phai con nguyen.
3. Moi ratio can chien luoc rieng — khong ap 1 cach cho tat ca.
4. Khong giu du noi dung sau resize → bao Leader quyet dinh bo element nao, khong tu quyet.
5. Repurpose winner ngay sau campaign (D+2) — de lau mat context.
6. Cap nhat trang thai vao asset list sau moi kich thuoc xong.

Quy trinh

Buoc 1 — Phan tich master

Xac dinh: focal point la gi; safe zone cua tung element (text, CTA, logo cach canh bao nhieu); dieu gi CO THE crop (background, texture) va KHONG DUOC crop (message, khuon mat, san pham, CTA).

Buoc 2 — Chon strategy cho tung kich thuoc dich

Strategy	Khi nao dung	Cach lam
Scale & Crop	Ratio gan nhau (1:1 → 4:5, 16:9 → 1.91:1)	Giu nguyen layout, crop bot background
Re-compose	Ratio khac vua (1:1 → 16:9, landscape → cover)	Dich chuyen element de fit ratio moi, giu hierarchy
Rebuild	Ratio khac han (1:1 → 9:16, feed → email)	Lam lai tu dau tren canvas moi, giu concept + mau + copy

Buoc 3 — Resize theo thu tu uu tien

Lam kich thuoc kenh chinh truoc (thuong Feed 1:1), sau do den cac kich thuoc con lai theo priority trong resize map.

Buoc 4 — Kiem tra, dat ten, upload, update

Check tung file theo final checklist → dat ten dung convention → upload dung subfolder → update trang thai asset list.

Bang kich thuoc chuan 2025-2026

Social media

Loai	Kich thuoc	Ti le	Kenh	Ghi chu
Feed post vuong	1080x1080px	1:1	Facebook, Instagram	Kich thuoc lam truoc tien
Feed post doc	1080x1350px	4:5	Instagram, Facebook	Chiem nhieu man hinh hon tren mobile
Story / Reels	1080x1920px	9:16	FB/IG Story, Reels	Safe zone 250px top/bottom
TikTok video/thumbnail	1080x1920px	9:16	TikTok	Safe zone 150px top / 300px bottom
Facebook cover	820x312px	~2.6:1	FB Page	Mobile crop 2 ben — de noi dung o giua
LinkedIn post	1200x627px	~1.91:1	LinkedIn
YouTube thumbnail	1280x720px	16:9	YouTube

Ads (Meta)

Loai	Kich thuoc	Ghi chu
Feed ads	1080x1080px	Dung cho ca FB + IG
Story ads	1080x1920px	Noi dung cach mep ~14%
Carousel	1080x1080px	Toi thieu 2, toi da 10 card
Link post banner	1200x628px

Email / Zalo / Website

Loai	Kich thuoc	Ti le	Strategy thuong dung
Email header	600x200px	3:1	Rebuild
Email hero	600x400px	3:2	Scale & Crop
Zalo OA cover	1200x500px	12:5	Scale & Crop
Website hero desktop	1440x600px	2.4:1	Re-compose
Website hero mobile	375x300px	5:4	Rebuild

Tai lieu

Loai	Kich thuoc	Dung khi
Slide deck 16:9	1920x1080px	Presentation, pitch
A4 doc / ngang	210x297mm / 297x210mm	Report, proposal in

Quy tac re-compose

Landscape / vuong → doc (→ 9:16):

• Logo: giu vi tri theo brand guideline (thuong bottom-right)
• Headline: chuyen len top 1/3
• CTA: luon o bottom 1/3 nhung tren safe zone
• Safe zone story/reels: 250px top/bottom; TikTok: 150px top / 300px bottom

Vuong → email (600px):

• Tang font size neu text qua nho o width moi
• Don gian hoa visual — bot element phu
• CTA button toi thieu 44x44px

→ cover (FB/Zalo):

• Noi dung chinh don vao vung giua — 2 ben se bi crop tren mobile
• Khong dat text sat mep

Naming va folder

• Ten file: [Campaign]_[Kenh]_[KichThuoc]_[Version]_[Status].jpg
• Vi du: KhoaHocQ3_FB_1080x1080_v1_APPROVED.jpg
• Folder:

/[Brand]/Campaigns/[TenCampaign]/Assets/Final/
  Facebook/  TikTok/  Email/  Zalo/  Website/  Archive/

Cau truc ket qua

Ten file: asset-resize-[campaign]-[YYYYMMDD].md

# Resize Map — [Ten campaign]

## Master design
| Hang muc | Chi tiet |
|----------|----------|
| Master file | [link goc] |
| Kich thuoc goc | |
| Focal point | |
| Element khong duoc mat | |

## Resize map
| Kich thuoc | Ti le | Kenh / dung cho | Strategy | Priority | Trang thai |
|-----------|-------|-----------------|----------|----------|------------|
| 1080x1080px | 1:1 | FB/IG Feed + Ads | Scale & Crop | Cao | |
| 1080x1350px | 4:5 | IG Feed doc | Re-compose | Cao | |
| 1080x1920px | 9:16 | Story / Reels / TikTok | Rebuild | Cao | |
| 1200x628px | 1.91:1 | Link banner | Scale & Crop | TB | |
| 600x200px | 3:1 | Email header | Rebuild | TB | |
| [them theo asset list] | | | | | |

## Ghi chu re-compose tung kich thuoc
- [kich thuoc]: [element nao doi cho, crop gi, luu y safe zone]

Final checklist

• Tat ca kich thuoc trong resize map da xong
• Khong co anh bi meo (khong stretch — chi scale giu ti le)
• Text khong bi crop — safe zone tung kenh dam bao
• Logo hien dien va dung version o moi kich thuoc
• CTA van doc duoc o kich thuoc nho nhat
• Font size van doc duoc tren mobile sau resize (>= 14px hien thi)
• File dat ten dung convention, dung status tag
• Upload dung subfolder theo kenh
• Trang thai da update trong asset list

Lien ket skill

• 41-campaign-asset-list: danh sach kich thuoc can lam lay tu asset list; resize xong update nguoc lai.
• 42-brief-hinh-anh: master design sinh ra tu brief anh; adapt rules ghi trong brief khi co nhieu size.
• 48-quick-visual-brief: variant thang tu quick brief → resize ra cac kich thuoc con lai.
• 21-audit-ads-performance: xac dinh winner de repurpose sau campaign (D+1 danh dau, D+2 resize).
• 46-brand-guideline: vi tri logo, font toi thieu, spacing khi re-compose.

Checklist chat luong

• Master da phan tich: focal point + element khong duoc mat + vung crop duoc
• Moi kich thuoc dich co strategy ro (Scale & Crop / Re-compose / Rebuild)
• Thu tu uu tien ro — kenh chinh lam truoc
• Safe zone tung kenh ap dung dung bang chuan
• Truong hop khong giu du noi dung da bao Leader quyet
• Resize tu file goc, khong tu file export
• Final checklist chay xong truoc khi bao done