INSTAGRAM TOOL · CLIENT-SIDE
Resize & Split Photos for Instagram
Format posts, Stories, and Reels — or split one image into a seamless 3×1, 3×2, or 3×3 feed banner. Everything stays on your device.
Drop your photos here, or browse
PNG, JPG, WebP, HEIC, AVIF — as many as you need
Quick start
More Instagram tools
Post full photos without cropping
When your photo doesn’t match Instagram’s aspect ratios, the app clips the edges. Our tool adds clean borders around your image so every pixel stays visible — no cropping, no distortion. Instagram compresses images wider than 1080 pixels or taller than a 4:5 ratio; pre-formatting prevents blur, unwanted cropping, and color shifts.
Choose 4:5 Portrait or 1:1 Square for your feed layout.
Keep "Fit Canvas" and pick white, black, or any custom color.
Download a perfectly scaled 1080px photo, ready for Instagram.
Instagram size cheat sheet
| Post type | Ratio | Dimensions | Best for |
|---|---|---|---|
| Feed Portrait | 4:5 | 1080×1350 | Max screen coverage |
| Feed Square | 1:1 | 1080×1080 | Classic grid alignment |
| Stories & Reels | 9:16 | 1080×1920 | Full-screen vertical |
| Landscape | 1.91:1 | 1080×566 | Wide panoramas |
| Profile Photo | 1:1 Circle | 320×320 | Display icon |
Frequently Asked Questions
What is the best aspect ratio for Instagram posts?
The 4:5 Portrait format (1080 x 1350 px) is best for Instagram feed posts because it occupies the maximum vertical screen space on mobile devices, driving higher engagement.
How can I post full photos on Instagram without cropping?
Select an Instagram aspect ratio preset (like 4:5 or 1:1) and enable Fit Canvas (No Crop) mode. The tool adds white, black, or custom color borders around your photo so the entire image remains visible.
How does the grid splitter preserve image aspect ratio without stretching?
The grid splitter automatically calculates total grid dimensions and scales your photo to fit cleanly inside the target format with background padding, preventing distortion.
Does this tool upload my photos to an external server?
No. All photo resizing, grid slicing, and padding calculations occur directly inside your web browser using HTML5 Canvas APIs, ensuring 100% privacy.