How do I resize an animated GIF?

Upload your GIF to GifConvert's GIF Resizer tool, enter your desired width (height adjusts automatically to maintain aspect ratio), then download the resized GIF. All frames are resized together — the animation is preserved perfectly.

Can I resize a GIF without losing animation?

Yes! GifConvert resizes every frame of your GIF proportionally, preserving the animation timing, frame count, and playback speed. The only thing that changes is the dimensions.

Does resizing a GIF reduce file size?

Yes, significantly. Reducing a GIF's dimensions from 800px to 400px wide can cut file size by 50-75%. This is the most effective way to shrink GIF files for Discord, email, and web use.

What's the best GIF size for Discord?

Discord's free tier allows files up to 8MB. For GIF dimensions, 400-480px wide works well. If your GIF is over 8MB, reduce the width first — it's the most effective way to shrink file size.

Can I resize a GIF to specific dimensions?

Yes. Enter any width and the height will adjust proportionally. You can also set both width and height for custom aspect ratios, though this may crop or stretch the animation.

Is my GIF uploaded to any server?

No. GifConvert processes everything locally in your browser using WebAssembly technology. Your GIF files never leave your device — complete privacy guaranteed.

What's the maximum GIF size I can resize?

GifConvert can handle GIFs of any reasonable size since processing happens in your browser. Very large GIFs (50MB+) may be slower depending on your device's performance.

How do I resize an animated GIF?

Upload your GIF to GifConvert's GIF Resizer tool, enter your desired width (height adjusts automatically to maintain aspect ratio), then download the resized GIF. All frames are resized together — the animation is preserved perfectly.

Can I resize a GIF without losing animation?

Yes! GifConvert resizes every frame of your GIF proportionally, preserving the animation timing, frame count, and playback speed. The only thing that changes is the dimensions.

Does resizing a GIF reduce file size?

Yes, significantly. Reducing a GIF's dimensions from 800px to 400px wide can cut file size by 50-75%. This is the most effective way to shrink GIF files for Discord, email, and web use.

What's the best GIF size for Discord?

Discord's free tier allows files up to 8MB. For GIF dimensions, 400-480px wide works well. If your GIF is over 8MB, reduce the width first — it's the most effective way to shrink file size.

Can I resize a GIF to specific dimensions?

Yes. Enter any width and the height will adjust proportionally. You can also set both width and height for custom aspect ratios, though this may crop or stretch the animation.

Is my GIF uploaded to any server?

No. GifConvert processes everything locally in your browser using WebAssembly technology. Your GIF files never leave your device — complete privacy guaranteed.

What's the maximum GIF size I can resize?

GifConvert can handle GIFs of any reasonable size since processing happens in your browser. Very large GIFs (50MB+) may be slower depending on your device's performance.

Resize GIF — Free Animated GIF Resizer Online

Resize GIF Online Free

Resize animated GIFs instantly without losing animation quality. Change dimensions, reduce file size, and optimize GIFs for Discord, email, social media, and web — all in your browser.

Ready to Resize Your GIF?

Use our dedicated GIF Resizer tool for precise dimension control.

Open GIF Resizer →

Why Resize a GIF?

Reduce File Size

Biggest Impact

Halving the width of a GIF can reduce file size by 60-75%. This is the single most effective way to shrink a GIF that's too large.

Meet Platform Requirements

High Impact

Discord (8MB), Slack (5MB), email (1MB) — each platform has different size limits. Resizing is the fastest way to hit those targets.

Improve Loading Speed

Medium Impact

Smaller GIFs load faster on websites and in messages. Resize to the actual display size — don't serve a 1200px GIF in a 400px container.

Standardize Dimensions

Design

Make all your GIFs a consistent size for a professional, uniform look in presentations, emails, and documentation.

Recommended GIF Sizes by Platform

Discord (Free)400–480pxMax: 8 MB

Twitter/X480–640pxMax: 15 MB

Slack400pxMax: 5 MB

Email320–400pxMax: 1 MB

Website/Blog480–640pxMax: 2 MB

WhatsApp400–480pxMax: 16 MB

Presentations640–800pxMax: 5 MB

Private, Browser-Based GIF Resizing

Unlike other online GIF resizers that upload your files to remote servers, GifConvert processes everything locally in your browser using WebAssembly. Your GIF files never leave your device — no upload, no server storage, no privacy risks.

This also means resizing is instant — no waiting for upload/download. The processing speed depends only on your device, not your internet connection.

Need more GIF tools? Compress a GIF, change GIF speed, or convert video to GIF.

Frequently Asked Questions

Last updated: March 2026