Reddit Image Resizer — Resize Photos for Reddit

Free online tool to resize images for Reddit. Generate profile picture, community icon, banner, and post images at exact dimensions. 100% client-side.

Reddit

Resize Reddit assets to the exact required sizes — 100% in your browser.

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Your source image

Use a square image ≥512px for a crisp icon.

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Max 10MB — runs 100% in your browser

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No image yet — upload one to unlock the next steps.

Upload an image to see the preview.

Why Use This Tool?

Reddit communities (subreddits) each have their own visual identity — a community icon and banner that set the tone for the community. Getting these sizes right helps your community look established and well-maintained. Reddit's community icon is particularly small (256×256) and displayed as a circle, which demands a simple, clear design.

Reddit Image Size Guide (2026)

Image TypeSize (pixels)Aspect RatioNotes
Profile Picture256×2561:1Personal profile avatar
Community Icon256×2561:1Displayed as circle in subreddit
Community Banner1920×3845:1Top of subreddit page
Post Image1200×628~1.91:1Link post preview image

Privacy First — 100% Client-Side

Your images are processed entirely in your browser using the HTML5 Canvas API. Nothing is uploaded to any server. You can verify this by disconnecting from the internet after loading the page — the tool works offline.

Tip: Reddit's community icon is 256×256 and displayed as a circle — it appears in search results, sidebar lists, and next to post author names. A simple symbol or logo with high contrast works far better than detailed artwork at this size.

Tips for Reddit Images

  • Community icons are small and circular — use bold shapes, minimal detail, and high contrast. Your icon will often appear at 16–32px in some views.
  • Banners use a wide 5:1 ratio. Keep important text and logos in the center — the banner may be cropped differently on mobile vs. desktop.
  • Post images at 1200×628 will display as thumbnail previews in feeds. Ensure the most important part of the image is in the center.
  • Reddit has a text-heavy culture — images that add visual context to a post perform better than decorative images alone.
  • Dark mode is common on Reddit — if your community icon has a light background, test how it looks on both light and dark backgrounds.