Resize any image to YouTube thumbnail, TikTok, Reels, Instagram or Facebook size and make the file smaller. Images are processed in your browser and never uploaded.
Choose an image to start.
1280×720 pixels (16:9), under 2 MB. JPG at 80–90% quality is usually well under the limit.
1080×1920 pixels (9:16). Use “Fit with blurred background” to turn a landscape image into a vertical one without black bars.
JPG for photos and thumbnails, WebP for the smallest files on websites, PNG when you need transparency.