How to Make a Photo Grid for Twitter

There are two practical ways to show a photo grid on Twitter (now X). You can attach several photos to one post and let the app arrange them, or you can combine them yourself into a single collage image with a grid maker or editor. The first is quicker. The second gives you control over the layout, spacing and order, and lets you include more photos than one post allows.

Before you start

• Choose your approach. A multi-image post holds up to four images, and X decides how the previews are arranged and cropped. A collage is one file, so it follows your layout.
• Pick a tool. You can use a collage feature in your phone's gallery app, a desktop image editor that supports a custom canvas and layers, or a web-based grid maker.
• Find out where the processing happens. Some tools work entirely on your device and some upload your photos to a server. Do not assume a browser tool keeps files local. Check its documentation and privacy policy before you add personal photos.
• Gather the original, full-resolution photos and work on copies so the originals stay unchanged.
• Check X's current help pages for accepted file formats and size limits. Common formats such as JPEG and PNG are widely used, but limits can change.

Step-by-step instructions

Option 1: Build a single collage image

• Create a new canvas and choose its aspect ratio first. Square or moderately wide canvases are usually the safer choice. Very tall images are more likely to be cropped in the feed preview.
• Set the pixel dimensions generously. Each cell gets only a fraction of the canvas. In a two-column grid, for example, every photo gets half the width, so a small canvas makes every photo small.
• Choose a layout, such as 2×2, one large photo with two smaller ones, or a single row. Set the gaps between cells and the background color.
• Place each photo in its cell and adjust the crop inside the cell. Keep faces, text and other key details away from the outer edges.
• Save the project in the editor's own layered format, if it has one, so you can change the layout later without starting over.
• Export a flat image. JPEG suits photo-heavy grids. PNG keeps text and sharp graphics cleaner. If the design has transparent areas, fill the background with a solid color. Transparency may not display the way you expect after upload.
• Create a post, attach the collage, and add alt text that briefly describes what each cell shows.

Option 2: Post several photos as a grid

• Start a new post and attach up to four photos.
• Arrange them in the order you want before posting. The attachment order determines where each image appears. If your app has no reorder control, remove the images and add them again in the right order.
• Use photos with similar aspect ratios. Mixed shapes are cropped differently in the preview, which makes the grid look uneven.
• Add alt text to each image, then publish.

Check the output

• Before uploading a collage, view it at 100% zoom. Check that the gaps are even, no cell is blurry or stretched, and nothing important touches an edge.
• Confirm that the exported file format and file size are within X's current limits.
• After posting, view the post in the feed and in the full-size view, on both a phone and a computer if possible. Preview crops can differ between them.
• Expect some compression. X may re-encode uploaded images, which can soften fine text, thin lines and subtle gradients. Make sure any text in the grid is still readable.
• If your photos might contain location or camera data, do not assume it will be removed. Verify how X currently handles it, or remove the metadata yourself before uploading.

Common problems and next steps

• Important parts are cut off in the feed: add padding around the edges of the collage or switch to a less extreme aspect ratio. In a multi-image post, crop the photos to similar shapes before attaching them.
• The grid looks blurry: the source photos may be too small for their cells, or the canvas is too small. Export again at larger pixel dimensions from the originals, and avoid re-saving the same JPEG many times.
• The transparent background appears black or white: export with a solid background color instead.
• A panorama split across four images doesn't line up: gaps and preview cropping between attachments break the effect. Post it as one wide image, or accept that it will only look continuous when opened.
• You need more than four photos: put them in one collage, or spread them across a thread.
• The grid maker adds a watermark or you are unsure what it does with uploads: check its terms, or build the grid in a local editor instead.
• Colors look different after posting: export in a standard color profile such as sRGB, and compare the result on more than one screen.