Updated 2026All FormatsCopy Dimensions

Updated for 2026 (X / Twitter). Click to copy dimensions.

Profile Photo

Circular display. Min 200x200. Max 2MB.

400 x 400Aspect: 1:1

Header/Banner

Profile header image. Resizes on mobile.

1500 x 500Aspect: 3:1

In-Stream Photo

Single image in tweet. Also works 4:3, 1:1.

1200 x 675Aspect: 16:9

Two Images

Side-by-side pair layout.

700 x 800Aspect: 7:8

Summary Card

Link preview card (large image).

800 x 418Aspect: 1.91:1

Summary Card (small)

Small square link preview.

120 x 120Aspect: 1:1

DM Image

Image in Direct Messages.

1200 x 675Aspect: 16:9
Tip: X/Twitter compresses images heavily. Upload PNG for graphics with text. For photos, JPG at maximum quality works fine.

FAQ

What size should X/Twitter header images be?
The recommended header/banner size is 1500x500 pixels (3:1 ratio). The image may be cropped differently on mobile devices.
What is the best tweet image size?
The optimal size for in-stream images is 1200x675 pixels (16:9). Single images can also be 4:3 or 1:1. Maximum file size is 5MB for photos.
What about Twitter Card images?
Summary cards with large images should use 800x418 pixels (1.91:1 ratio). Small summary cards use 120x120 pixel square images.
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About Twitter Sizes

Most online tools for image editing bury what you need behind ads and forms. Twitter Sizes takes the opposite approach: load the page, do the job, leave. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. Like everything else in the image collection, it is free, ad-light, and works on mobile as well as desktop.

When you'd reach for Twitter Sizes

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

Frequently asked about Twitter Sizes

Will Twitter Sizes change my original file?
Never. Twitter Sizes only reads your input file and produces a new output file.
Is Twitter Sizes really free?
Yes — Twitter Sizes is free for unlimited personal use, with no account required and no watermark on the output.
What browsers does Twitter Sizes support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Can I use Twitter Sizes commercially?
Yes. The output of Twitter Sizes belongs entirely to you, with no licensing restrictions.
Does Twitter Sizes work on mobile?
Yes, Twitter Sizes is fully responsive and tested on iOS Safari and Android Chrome.

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