How-To

How to Compress Images for Instagram for Free

July 3, 2026  ·  3 min read  ·  Fourmeld Blog

Instagram recompresses your photos when you upload them. Optimize your images to the exact Instagram dimensions and size before uploading for the best quality.

1

Open Fourmeld Image Tools

Go to fourmeld.com/image-tools — no account needed.

2

Upload your image

Upload any JPG, PNG or WebP image from your device or phone.

3

Resize and compress to Instagram specs

Resize to 1080×1080 (post), 1080×1920 (story) or 1080×1350 (portrait). Then compress to under 8MB for perfect quality.

4

Download the result

Download your processed image instantly. No watermark, full quality.

Tips

Compress for Instagram — Free Online

Works on desktop and mobile. No signup required.

Try Fourmeld Image Tools Free →

FAQs

What size should Instagram photos be?

Square: 1080×1080px. Portrait: 1080×1350px. Landscape: 1080×566px. Stories: 1080×1920px.

Why does Instagram compress my photos?

Instagram recompresses images over their internal limit. Pre-optimizing prevents double compression.

What format is best for Instagram?

JPG at 85-90% quality with sRGB color profile is optimal for Instagram.