Social Media Image Resizer
Resize a picture to the exact dimensions a platform expects — Instagram post and story, Facebook, X, LinkedIn and YouTube thumbnail — with one click. Choose to crop to fill or pad to fit, and download ready to post. Processed in your browser.
- Runs entirely in your browser
- No sign-up, no watermark
- Free and unlimited
How to use Social Media Image Resizer
- 1
Drop files onto Social Media Image Resizer, or click to choose from your device.
- 2
Reorder or remove files, and set any options.
- 3
Press the action button — everything runs in your browser.
- 4
Download the result. Nothing is uploaded or stored.
What you get
- Presets for 8 common placements
- Cover (crop) or Contain (pad) with a chosen background
- Exports at the platform's exact pixel size
- Batch several images to the same size
What happens to your files
This tool runs entirely in your browser. The file you choose is read into memory, processed on your device, and offered back as a download. Nothing is uploaded and nothing is kept once you leave the page.
There is no account, no email, no watermark and no daily limit. Come back whenever you need it.
Frequently asked questions
- Which sizes are included?
- Instagram post (1080×1080), portrait (1080×1350) and story (1080×1920), Facebook (1200×630), X post (1600×900) and header (1500×500), YouTube thumbnail (1280×720) and LinkedIn post (1200×627).
- Will my photo be cropped?
- Only in Cover mode, which fills the frame and trims the overflow evenly. Contain mode keeps the whole image and adds padding in the colour you pick.

