YouTube · runs in your browser
YouTube Thumbnail Resizer
Resize any image into YouTube's exact 1280×720 thumbnail spec.
- Supported formats
- JPG · PNG
- Max file size
- Max 25 MB
- Speed
- Instant
- Free
- Free, no sign-up
Drop files here or click to upload
JPG, PNG, WebP — up to 25 MB each
Resize for every platform preset
Fit, position, background and format are fully adjustable — batch a whole folder at once.
- Batch + ZIP
- Cover / contain
- Drag to frame
Private by design. This tool runs entirely inside your browser — your files are never uploaded, stored or seen by anyone, including us.