Resize Image for Threads Portrait Post (1080×1350)
Resize your image to 1080×1350 pixels for a 4:5 portrait Threads post — right in your browser, with no quality lost on the way down.
Drop an image to resize
Drag & drop, paste, or pick a file
PNG · JPG · WebP — resized on your device
Threads Portrait Post size: 1080×1350 px
This page resizes your photo to exactly 1080×1350 pixels — the right size and dimensions for a 4:5 portrait Threads post. Everything runs in your browser — your image is processed on your own device — and the on-screen preview is the same file you download, so the size is exact, never an estimate.
Resize an image to 1080×1350
- Open your image — drag it onto the tool, choose a file, or paste from your clipboard.
- It's preset to 1080×1350 — the width and height are already filled in for you.
- Check the preview — the before → after readout shows the exact new size and file weight.
- Download — save the resized image, ready to upload.
Tip: start big, then resize down
Resizing a large image down to 1080×1350 keeps it sharp. Enlarging a small image past its original size can't add detail, so begin with the highest-resolution copy you have.
Other popular sizes
Frequently asked questions
What size is Threads Portrait Post?
Threads Portrait Post is 1080×1350 pixels. This tool resizes your image to exactly that, for a 4:5 portrait Threads post.
How do I make a Threads Portrait Post the right size?
Upload your image — a photo, screenshot, or exported design — and it's resized to the exact 1080×1350 px that a 4:5 portrait Threads post needs. This tool focuses on getting the dimensions right (it isn't a graphics editor), so the result is ready to upload or post in seconds.
How do I resize an image to 1080×1350?
Drop your image above — the width and height are already set to 1080 and 1350. The resizing happens in your browser, and the preview is the exact file you'll download.
Will it lose quality?
Resizing down looks crisp and is effectively lossless to the eye. Re-encoding also strips EXIF/GPS metadata. If your source is smaller than the target, enlarging can look soft — start from the largest original you have.