Resize Images for Instagram, TikTok & Threads: 2025 Guide

Resize Images for Instagram, TikTok & Threads: 2025 Social Media Sizes Guide

Want to nail your visuals on Instagram, TikTok, or Threads in 2025? Perfectly sized images are no longer optional - they’re essential for reach, engagement, and aesthetics.

Whether you're an influencer, marketer, or creator, this updated 2025 size guide shows you exactly how to resize your images for each platform, and where to do it fast - for free, with no limits.

👉 Resize your image now :

Why Proper Image Sizes Matter in 2025

Every platform now prioritizes perfectly cropped, high-resolution visuals. A stretched, pixelated, or wrongly sized post can:

Get cut off in feed previews
Hurt engagement rates
Lower reach on the algorithm

Instead of guessing sizes, use our free online Resize Image Tool to get pixel-perfect dimensions in seconds.

Instagram Image Sizes (2025)

Instagram supports multiple formats - each with unique aspect ratios.

Instagram Post Sizes

Square Post: 1080 x 1080 px (1:1)
Portrait Post: 1080 x 1350 px (4:5) – Best for feed engagement
Landscape Post: 1080 x 566 px (1.91:1)

Instagram Stories & Reels

Story/Reel Size: 1080 x 1920 px (9:16)

Tip: Use high-res verticals for Reels + Stories for better mobile fit.

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TikTok Image Sizes (2025)

Though TikTok is video-first, thumbnails, profile photos, and ad creatives matter too.

TikTok Thumbnail / Cover Image

Size: 1080 x 1920 px (9:16)

TikTok Profile Picture

Size: 200 x 200 px (1:1) – display is circular

👉 Resize your image for TikTok : Use Tool

Threads Image Sizes (2025)

Threads continues to grow - and its image specs have stabilized in 2025.

Threads Image Post

Recommended Size: 1080 x 1350 px (4:5)
Max Display Width: ~1350 px on mobile

Threads Profile Picture

Size: 320 x 320 px (1:1, displayed as circle)

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How to Resize Your Images (Fast & Free)

No Photoshop? No problem. Here's how to resize your image instantly using our online tool:

Step-by-Step:

Visit: https://imagitool.com/resize-image
Upload your image (JPG, PNG, WebP, HEIC)
Choose resize method:
- By Pixels (e.g., 1080 × 1920)
- By Percentage
Pick Maintain aspect ratio or fit mode: Crop, Stretch, or Fit inside frame
Select output format (JPG, PNG, etc.)
Click Resize : Download

Bonus: Resize multiple images at once - no limits, no watermarks.

Key Features of the Free Image Resizer

Why users around the world trust our tool:

Batch Resize with zero file size or count limits
Secure: SSL + auto file deletion in 2 hours
Mobile-friendly & drag-and-drop support
Resize by pixels or percentage
Keep aspect ratio or crop/stretch as needed
Transparent, black, or white background options
Smart resize: Prevent upscaling of small images
Bulk rename images after resizing

👉 Start resizing now - free & unlimited: Resize Image Tool

FAQs: 2025 Social Media Image Sizes

What is the best size for Instagram in 2025?

The most engaging format is portrait: 1080 x 1350 px (4:5). For stories and Reels, use 1080 x 1920 px (9:16).

How do I resize an image for TikTok?

Use an online tool like Imagitool's Resizer, enter 1080 x 1920 px, and download in seconds.

Is it safe to upload personal photos?

Yes. Files are encrypted with SSL, and auto-deleted within 2 hours. Your privacy is a priority.

Can I resize in bulk?

Absolutely. Upload multiple images and resize them all at once - free, fast, and watermark-free.

Does the tool work on mobile?

Yes! The tool is fully mobile-friendly. Resize images anytime, anywhere.

Final Thoughts

Perfect visuals are no longer optional in 2025. With updated specs across Instagram, TikTok, and Threads, having the right sizes is crucial to stand out and engage.

Use our free, private, and unlimited image resizer to prepare your photos for every platform with ease.

👉 Resize your images now : Imagitool Image Resizer

Stay sharp. Stay resized.