Maximize your Instagram feed screen space with 4:5 portrait crop in seconds
Drag and drop or select your photo. Processing occurs entirely in your browser without server uploads.
The 4:5 box is automatically selected. Drag to frame your subject perfectly.
Click Copy to paste directly into social apps, or Download for full high-res output.
On the mobile Instagram app, vertical 4:5 photos occupy up to 25% more screen real estate than standard 1:1 squares. More screen area means higher engagement, more impressions, and more likes. Uploading uncropped photos causes Instagram to automatically truncate your picture. Pre-cropping ensures your framing stays intact.
Instagram recommends 1080 x 1350 pixels. Prezll retains your maximum camera resolution while preserving the exact 4:5 ratio.
No. Prezll processes the image at full source quality without lossy re-encoding steps.
No. Everything runs strictly on your device using client-side HTML5 Canvas.
Protect personal info on photos with 100% private in-browser blur & mosaic
Strip hidden home address & GPS coordinates before posting online
Fit large GIFs under Discord's 10MB limit without sacrificing motion quality