Thumbnail size target

Thumbnail Compress to Size

Compress thumbnail images toward a target KB size as JPG or WebP, with optional 1280x720 resizing.

Compress the thumbnail

Try browser quality and downscale passes until the thumbnail reaches the target or the closest export.

PNG, JPG, or WebP under 50MB each. Everything stays local.

Output format

Target size KB

Resize to 1280x720 before compressing

No. The image is decoded and converted in your browser, so the selected file stays on your device.

No. The exported image is clean and watermark-free.

Canvas-based exports usually strip metadata such as EXIF, which can be useful for privacy.

Compress thumbnail images toward a target KB size as JPG or WebP, with optional 1280x720 resizing.