Which platforms are supported?

Instagram, Facebook, Twitter/X, LinkedIn, YouTube, TikTok, Pinterest, and more.

Does it crop or stretch the image?

You can choose how the image fits — crop to fill, fit within bounds, or stretch to size.

Can I resize for multiple platforms at once?

Yes, select multiple platforms and download all sizes at once.

Social Media Image Resizer

Resize for YouTube, Instagram, Facebook & more

Upload an image

JPG, PNG, WebP — drag & drop or click

Supported Platforms & Sizes

Instantly resize images for YouTube (thumbnails, channel banners), Instagram (posts, stories, reels), Facebook (posts, covers, events), X / Twitter (post images, headers), LinkedIn (posts, company pages), TikTok, Pinterest (pins, boards), Twitch (offline banners, panels), Discord (server icons, banners), and Shopify (product images, logos).

All processing happens entirely in your browser — your images are never uploaded to any server. Fast, free, and private.

◈ How to Use

Upload your image

Select the social media platform and post type (profile, cover, post, story)

Download images perfectly sized for each platform

❓ Frequently Asked Questions

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YouTube Thumbnail Preview

Preview your YouTube thumbnail in realistic mockups

◉ Who Is This For?

✓Social media managers preparing content for multiple platforms
✓Influencers optimizing images for Instagram, Facebook, and Twitter
✓Business owners creating properly sized social media graphics

★ Why Choose EllyTools?

100% Free & Unlimited

No sign-up, no limits. Use as many times as you want.

Privacy First

All processing happens in your browser. Your files never leave your device.

No Installation Required

Works directly in your browser on any device — desktop, tablet, or phone.

Fast & Reliable

Instant results powered by modern browser technology.

Social Media Resizer: Right-Sized Images for Every Platform

Each social platform has its own optimal image dimensions — and platforms re-encode whatever you upload, often badly. Pre-sizing your image to the platform's preferred dimensions gives you the cleanest possible result.

When you upload an oversized image to Instagram, it gets aggressively re-compressed. Pre-resizing to exactly what Instagram wants (1080px on the long edge) tells the platform 'no need to recompress' and you get a sharper feed image. Same logic applies to Twitter/X, LinkedIn, Facebook, and others.

Recommended dimensions by platform

Platform / placement	Dimensions
Instagram feed (square)	1080×1080
Instagram feed (portrait)	1080×1350
Instagram story / Reel	1080×1920
Twitter/X post	1200×675 (16:9)
Twitter/X header	1500×500
Facebook post	1200×630
Facebook cover	851×315
LinkedIn post	1200×627
LinkedIn cover (personal)	1584×396
YouTube thumbnail	1280×720
YouTube channel art	2560×1440
Pinterest pin	1000×1500
TikTok video	1080×1920

Extended FAQ

Does pre-resizing actually improve quality?

Yes for Instagram — uploads at exactly 1080px receive minimal recompression compared to oversize uploads. The difference is most visible on photos with fine detail or text overlays.

Can I upload one large image and let the platform handle it?

You can, but the platform's algorithm will downscale + recompress to its target. Pre-resizing yourself gives a cleaner result.

Are my images uploaded?

No — runs entirely in your browser.