Post Editor
Curate your feed with intention.
Drag and Drop
JPG, PNG or HEIC
Full Grid Preview
Save crops below, then drag to reorder.
Save to Full Grid Preview to add images
Free Instagram Grid Maker & Image Splitter
Grid34Sync is a free Instagram grid maker—use it as your free grid planner to preview the new 3:4 or classic 1:1 layout, split carousels, and export tiles, all in your browser with no account required.
Four Tools Inside Your Free Instagram Grid Maker
Instagram Carousel Splitter
Upload any wide photo and our image splitter cuts it into 2–3 perfectly aligned slides—exported at 3:4 ratio with zero quality loss, ready for a seamless Instagram carousel.
Puzzle Feed Maker
One image becomes a 3×3 puzzle feed spanning your entire Instagram grid. Preview every tile's alignment before you publish a single post.
Blank Tile Generator
A solid-color blank tile creates intentional breathing room in your Instagram grid. Stack them for horizontal stripes, or alternate one blank tile with photos for a classic checkerboard look.
Hex Color Picker
PRO ↗Sample any pixel to extract its exact hex code—apply it to spacing elements and keep your Instagram grid's brand palette perfectly consistent across every post.
Frequently Asked Questions
What is the new Instagram grid size?
Instagram has shifted its default profile to a new 3:4 vertical format. Our free grid planner supports both layouts—toggle between old and new with a single click, no guesswork needed.
How do I split an Instagram carousel?
Upload your wide panoramic image. The image splitter automatically cuts it into swipeable, high-resolution pieces you can upload sequentially as a seamless Instagram carousel.
How do I build a puzzle feed?
Upload a large, high-res image and let the system slice it into a 3×3 layout. Preview alignment in the Instagram grid planner before posting any tile.
How do I add a blank tile?
Click 'Add Blank Tile' in the toolbar. The tile appears instantly—drag it to any position in your layout and set its color with the PRO color picker.
Is this free?
Yes—this free Instagram grid maker and free grid planner require no account. Carousel splitting, puzzle feed, and blank tile tools are all included at zero cost. For 4K exports and watermark removal, we offer a $9.90 one-time Lifetime PRO.