Threads Photo Resizer

The Threads Photo Resizer is a free, browser-based tool for creators, marketers, and everyday users who want their visuals to look sharp the moment they hit the Meta Threads feed. If you care about getting the Threads image size exactly right, this resizer removes the guesswork by exporting your photo at the precise dimensions Threads expects for profile pictures, single posts, carousels, and link previews. You upload once, pick the placement, and download a file that is ready to publish without stretching, squeezing, or unexpected cropping.

Threads borrows a huge amount of its visual grammar from Instagram, which is why the best Threads photo size tends to mirror the dimensions you already know from IG. Profile photos render at 320 by 320 pixels, single post images look cleanest at 1080 by 1080 square or 1080 by 1350 portrait, and landscape shots are rendered at 1080 by 608. Instead of cropping by hand or losing sharpness to Meta’s automatic compression, you can drop any image into this resizer, pick the right preset, and export a file that fits the exact Threads placement you need.

Threads image specs by placement

Meta Threads is text-first, but visuals drive stop-scroll moments and replies. Below are the Threads app image dimensions to target across every placement where an image can appear, from the profile circle to carousel swipes and link preview cards.

Threads profile picture

• Rendered size: 320 by 320 pixels, displayed as a perfect circle on feed and profile pages.
• Upload size: 640 by 640 pixels or larger so retina and high-DPI screens stay crisp.
• Aspect ratio: 1:1 square, center-weighted so faces or logos do not get clipped by the circular mask.
• Format: JPG or PNG. Avoid tiny source files because Threads will upscale and soften them.
• Tip: leave a small safe margin around the subject because Threads crops aggressively into the circle.

Threads post image (single square)

• Ideal size: 1080 by 1080 pixels.
• Aspect ratio: 1:1 square.
• Best for: quote cards, product photos, announcements, and anything that needs equal weight across feed and profile grid.
• File size: keep under 8 MB so uploads finish fast even on mobile data.

Threads post image (portrait)

• Ideal size: 1080 by 1350 pixels.
• Aspect ratio: 4:5 vertical.
• Why it wins: 4:5 takes up more vertical real estate on mobile than a square, and Threads renders it without cropping. This is the single best Threads post size for maximum scroll-stopping impact.
• Best for: carousels, fashion shots, typography-heavy designs, behind-the-scenes photography, and anything that benefits from breathing room.

Threads post image (landscape)

• Ideal size: 1080 by 608 pixels.
• Aspect ratio: 16:9 landscape.
• Best for: banner-style graphics, screenshot shares, or images pulled from widescreen video content.
• Note: landscape takes up less of the feed, so important elements should sit toward the center.

Threads carousel images

• Ideal size: 1080 by 1350 pixels across every slide for a consistent 4:5 ratio.
• Slide count: up to 10 slides per post.
• Best practice: lock one aspect ratio across the whole carousel so swiping between slides feels seamless rather than jumpy.
• Use it for: storytelling, step-by-step tutorials, mini case studies, before-and-afters, and long quote sequences.

Threads link preview image

• Ideal size: 1200 by 630 pixels.
• Aspect ratio: 1.91:1.
• Source: Threads pulls the Open Graph image from the destination URL, so set the og:image tag on the linked page.
• Tip: keep headlines short and centered because link cards can crop edges on smaller phones.

How to use the Threads Photo Resizer

The resizer is designed so that any creator, from a first-time Threads user to a team managing multiple accounts, can get a correctly sized export in under a minute.

• Step 1: drag and drop your photo, or click to upload from your desktop, phone, or cloud drive.
• Step 2: pick the Threads placement you need, such as profile picture, square post, 4:5 portrait, landscape, carousel slide, or link preview.
• Step 3: choose smart crop or manual crop. Smart crop keeps the subject centered automatically, and manual crop lets you drag the focal point yourself.
• Step 4: download the resized file. Your original photo is never modified, so you can re-export at a different ratio whenever you need a new version.

Supported formats

• JPG for photographs where file size matters more than transparency.
• PNG for graphics, screenshots, logos, and anything that needs transparent backgrounds.
• WebP for smaller files at equivalent quality, great if you are batching exports.
• HEIC iPhone files are accepted and converted automatically to a Threads-friendly format.

Best practices for Threads images

Meeting the right pixel dimensions is the floor, not the ceiling. These habits push your feed from acceptable to genuinely aesthetic.

• Go vertical whenever you can. 4:5 at 1080 by 1350 wins the feed because it occupies more of the screen than a square. If you only remember one rule from this page, remember this one.
• Lean into an Instagram-style aesthetic. Threads users cross over heavily from IG, so consistent color palettes, clean typography, and mindful negative space all translate well.
• Use carousels to tell a story. A 10-slide carousel turns a single post into a mini newsletter. Open with a strong hook slide, deliver three to seven insight slides, and close with a call to action slide.
• Protect a safe zone. Keep text and key subjects at least 100 pixels from the edges so nothing important gets clipped on different screen sizes.
• Export at 2x for retina. Upload 2160 by 2700 for a 4:5 post and Threads will downscale cleanly. Do not upload under the native size or you will see softness.
• Pair visuals with a strong first line. Threads is a text-first network, so the caption still carries the conversation, but a sharp image is what makes the thumb stop moving.
• Batch your posts weekly. Resize and schedule five to ten visuals at once to stay consistent without burning out.

Frequently asked questions

What is the best image size for Threads?

1080 by 1350 pixels at a 4:5 aspect ratio is the best all-purpose Threads image size because it takes up the most vertical space in a mobile feed without any cropping.

Does Threads compress my photos?

Yes. Meta applies compression during upload, so starting from a sharp, correctly sized source file is the best way to preserve quality. Uploading at exact Threads dimensions avoids an extra round of resizing on Meta’s side.

Can I post landscape photos to Threads?

Yes, but landscape takes up less of the feed. If you are sharing a widescreen frame, export at 1080 by 608 and keep the important subject centered horizontally.

What is the Threads profile picture size?

Your Threads profile picture renders at 320 by 320 pixels inside a circular mask. Upload a 640 by 640 pixel or larger 1:1 image so it stays crisp on high-DPI screens.

How many photos can I post in one Thread?

Up to 10 images in a single carousel. Keep every slide at the same aspect ratio, ideally 4:5, so swiping feels seamless.

Is this resizer really free?

Yes. The Threads Photo Resizer is free to use with no watermarks, no signup, and no upload limits for standard files.

Schedule your Threads posts with Postiz

Postiz is an open-source social media scheduling platform that connects directly to Threads and lets you queue single posts, portrait shots, landscape graphics, and full 10-slide carousels from one dashboard. Once your images are resized you can draft a week of content in an afternoon, preview exactly how it will look in the Threads feed, and let Postiz publish automatically at the best time for your audience.

• Schedule Threads posts alongside Instagram, X, LinkedIn, TikTok, YouTube, and more from a single calendar.
• Preview before you publish so cropping never surprises you after the post goes live.
• Collaborate with your team using approval workflows, comments, and roles.
• Self-host or use the cloud because Postiz is fully open source.

Resize your image above, then head to Postiz to turn a single perfectly sized photo into a full Threads content calendar.