Resize Image Online
Resize JPG, PNG and WebP images online for free. Change image dimensions while maintaining quality.
Popular Sizes
How to Resize Images Online
Upload your image, enter the desired width and height, then download the resized image instantly. Perfect for websites, social media, documents and presentations.
Resizing changes pixel dimensions. It is different from compression, which primarily changes how pixel data is encoded. Choose dimensions based on the largest real display slot instead of exporting an unnecessarily large source.
The current Pixores route creates a JPG at the requested width and height. Entering dimensions with a different aspect ratio can stretch the subject, so calculate matching dimensions or crop first.
Behavior and limits reviewed against the current Pixores implementation on August 14, 2026.- Accepted upload
- Common image formats
- Output
- JPG
- Sizing
- Exact requested width and height
- Orientation
- Camera orientation is normalized
What we verified for this tool
This record describes a reproducible product check, not a stock claim about image quality.
- Reference scenario
- Landscape source resized to an explicitly entered width and height
- Review method
- Inspect the implementation path, export a derivative, and verify its pixel dimensions outside the editor.
- Observed behavior
- The downloaded JPG uses the entered dimensions after camera orientation is normalized.
- Known boundary
- Entering a different aspect ratio stretches the image; this tool does not automatically choose a crop.
How to use this tool
- Record the source dimensions and aspect ratio.
- Choose the actual target dimensions required by the destination.
- Keep width and height proportional unless distortion is intentional.
- Resize, download, and inspect edges and small text.
- Compress the final-sized copy only after dimensions are correct.
When it is a good fit
- Preparing website image slots
- Matching social-media dimensions
- Reducing oversized camera images
- Creating consistent gallery dimensions
Limitations to check
- Mismatched proportions can stretch the image.
- Enlargement does not recreate true detail.
- The current output is JPG and does not retain transparency.
File handling and privacy
The source is uploaded to the Pixores resize endpoint to produce the requested JPG. Preserve the original separately.
Frequently asked questions
How do I avoid stretching?
Keep the original aspect ratio or crop to the target ratio before resizing.
Should I resize or compress first?
Usually resize first, then compress the delivery copy, because unused pixels should not be encoded and transferred.
Can resizing sharpen a blurry image?
Reducing dimensions can make some defects less visible, but ordinary enlargement cannot recover missing focus or detail.
Popular Social Media Image Sizes
- Instagram Post: 1080 × 1080
- Instagram Story: 1080 × 1920
- Facebook Post: 1200 × 630
- Facebook Cover: 851 × 315
- YouTube Thumbnail: 1280 × 720
- YouTube Banner: 2560 × 1440
- LinkedIn Banner: 1584 × 396
- X (Twitter) Header: 1500 × 500
- Pinterest Pin: 1000 × 1500
- TikTok Profile Picture: 200 × 200
- TikTok Cover: 1080 × 1920
Why Use Recommended Image Sizes?
Using the correct dimensions helps your images look sharp and professional on every platform. Proper sizing also improves engagement and prevents unwanted cropping.
Best Image Sizes for Social Media
Whether you're creating content for Instagram, Facebook, YouTube, LinkedIn, Pinterest, X or TikTok, these recommended image dimensions help ensure the best appearance across desktop and mobile devices.