GitHub Image Resizer

Create the 2:1 repository preview image GitHub recommends for high-quality link cards.

Sizes, to scale

  • Repository Social Preview

    1280×640

    2:1

All GitHub Image Sizes

Choose the GitHub format you need, then review its source notes, crop, and image quality.

Sourced publishing presets

App Store and Developer Image Sizes

Prepare icons, screenshots, listing art, repository previews, and profile images with dimensions linked to current platform documentation.

About GitHub Image Sizes

Create the 2:1 repository preview image GitHub recommends for high-quality link cards. Use the sourced presets below, then review the crop and file requirements before submitting the result.

Each preset opens a working browser resizer. The destination service may apply its own compression, masks, or responsive crop after upload.

GitHub Size Cheatsheet

Quick reference for all GitHub image dimensions.

GitHub image dimensions for all formats
FormatDimensions
GitHub Repository Social Preview1280 × 640

Posting somewhere else? Use the free image resizer to resize images for any platform.

How to resize images for GitHub?

  1. 1

    Step 1: Upload your image

    Select the image you want to resize for GitHub. Our tool supports JPG, PNG, WebP, and HEIC formats.

  2. 2

    Step 2: Choose your GitHub format

    Select the specific GitHub preset you need, whether it is a background, icon, thumbnail, profile image, banner, post, or another supported placement.

  3. 3

    Step 3: Download and share

    Review the crop and image quality, then download the resized image and upload it to GitHub.

FAQ

GitHub image resizer FAQ

Can't find what you're looking for? Contact support

What image size presets are available for GitHub?

This page provides GitHub Repository Social Preview (1280x640). Open a preset to see whether its dimensions are a documented requirement, recommendation, minimum, or practical working canvas.

Is the GitHub image resizer free?

You can open the GitHub resizer and upload an image on the web. The editor will show any sign-in or usage limit that applies before processing.

Will resizing reduce my image quality?

Resizing can reduce detail, especially when a small source image is enlarged. Start with the highest-resolution image available and review the result before using it for GitHub.

Can I resize multiple images at once?

This resizer processes one image at a time. Choose the GitHub format you need, review the result, and download it before starting another image.