Image Resizer Made For Everyone

Join 200M+ people who have used Instasize, the image resizer made to quickly reduce the size of your images without losing quality, change photo dimensions for any social platform, upscale your images, and share with anyone.

An image displaying a collage of three photos, all focusing on the lower half of a person standing outdoors. The top photo shows a partial view of a striped yellow and grey sweater, the middle photo centers on a green backpack with a red circular logo, and the bottom photo features the backpack held by a hand, with a glimpse of white pants and brown hiking boots standing on a gravel surface.

Quickly Resize Images

Transform the way you handle visual content with Instasize, where the power to quickly resize images is at your fingertips. No more waiting on designers or wrestling with complex software. Our image resizer puts you in control to achieve the perfect size in seconds, not hours.

An image showing two similar photos placed side by side against a textured background. Both photos capture a person mid-motion on a sandy terrain under a clear sky. The left photo is labeled "4 MB" and the right photo is labeled "1 MB," indicating the file size of each image and resizing.

Effortlessly Reduce Image File Size for Any Space

Reducing your image file size for any platform is a breeze with our image resizer. Compress your images for faster uploads and optimized storage, all while maintaining the high-definition quality your visuals deserve.

An image showcasing a digital tool for resizing images, with a sample photo of a person on the left and a column of social media platform icons (Instagram, TikTok, Pinterest, Facebook) on the right. Emphasizing the importance of properly sized visuals for online engagement.

Resize For Reach Across Social & Web

Our image resizer adapts your visuals to meet the diverse dimension requirements of each social and web platform with precision. No more guesswork or manual adjustments—just optimal image dimensions, ready to engage your audience wherever they are.

A collage of various photos that could be part of a digital asset management system. The photos feature different individuals in a range of poses and outfits, possibly from a fashion photoshoot. The collection includes close-up and full-length shots that display styling details, suitable for cataloging in a digital fashion library.

Collaborative Resizing To Manage Your Digital Assets

Instasize isn't just about achieving the perfect image size; it's a complete digital asset manager designed for collaboration. Store, share, and resize images with ease, all within a shared digital library. Grant your team the power to access and modify high-quality visuals in real-time, ensuring that everyone has the latest version at their fingertips.

An image displaying a pair of high-heeled shoes with a colorful floral print against a blue backdrop. Below the shoes is a URL, suggesting that the image might be used for online sharing or resizing purposes, as indicated by the link which implies functionality for adjusting image dimensions and sharing.

Resize, Link, and Share

Turn your resized images into share-ready links that maintain the integrity of your visuals. Whether you're working with a global team or sending proofs to clients, Instasize streamlines your workflow by allowing instant access to your resized images. It's more than an image resizer—it's a collaboration accelerator.

Try Premium Free For 3 Days

Get access to our Image Resizer, Aspect Formats, Background Remover, Collage Maker, AI Tools, 200+ Photo Filters and more.

Everyone Loves Instasize

4.8

/

5.0

Over 1,300,000 ratings

One of my go-to apps

“Great app for filtering photos and even greater app for sizing pictures for not only posts but story photos as well... love this app I mainly use insta size for all my posts now ;)”

- beachxbunny

Fast and Straightforward

“Resizing photos for social media should be a cinch, but most editing programs are a pain to use. Of the dozen I’ve used, Instasize is the fastest, easiest and most consistent...”

- Soho Brad

Great Sizes

“Perfect app for the exact social media picture sizes. Love it. I use it daily. & I like the premade options they give you for different social medias!”

- Baby24doll

I love instasize

“Its the best app. for sizing photos to fit for Instagram or other forms of social media. You can also edit photos and create collages with multiple photos. It’s had been my friend for several years!”

- Jay town

Always helpful

“Always helpful when needing to resize photos”

- Leobaby96

Huge fan

“I love this app. Makes posting all types of photos. Love how it makes them fit on different formats”

- Nicola Bella

I’ve been using for years. Can’t work without it.

“I use this app everyday to perfectly resize images for all of my social media platforms”

- The Flywire

LOVE

“This app saved the day for me! I’m finally able to resize my photos for IG....effortlessly”

- Tamrinaann

Great App

“We use this App weekly to resize pics for social media posts. Very user friendly, easy to use program when you want to get in and out quickly...”

- cle957

Frequently asked questions

Can't find the answer you are looking for? Reach out to our customer support team.

An image resizer is a tool or software used to change the dimensions of an image, either by increasing or decreasing its size, without significantly altering its quality.

Free Size Guides

Looking for specific platform asset sizes? We got you covered.