Stitch Images

A long conversation captured in five screenshots, a receipt photographed in parts, a before-and-after comparison, a comic strip, a step-by-step tutorial: all are clearer as one image. This tool joins images vertically or side by side, in the order you choose, with optional gaps and borders.

Adding and ordering images

Drop the images in any common format, including HEIC from iPhones. They appear in a list in the order added; move them up or down until the sequence is right. The preview updates instantly.

Direction

“Top to bottom” stacks images vertically, the right choice for chat screenshots, long web pages captured in pieces, receipts and vertical infographics. “Side by side” places them in a row, ideal for before-and-after pairs, comparisons and comic strips.

Matching sizes

Screenshots from the same phone usually share a width, but photos and mixed sources do not. “Same width for all” in vertical mode, or “Same height for all” in horizontal mode, scales every image down to the smallest one so the edges line up neatly. Images are never enlarged, so nothing becomes blurry. Switch matching off to keep original sizes, and choose how narrower images align: left, center or right in vertical mode; top, center or bottom when side by side.

Gaps and borders

A gap separates images with a strip of background color, which makes before-and-after pairs and tutorial steps easier to read. A border adds the same color around the whole result. Both go from 0 to 400 pixels; 10 to 30 pixels works well for social posts.

Background and transparency

Pick any background color for gaps and borders. For graphics with transparency, switch on “Transparent background”, and the format changes to PNG automatically so the transparency is kept.

Formats

JPG is compact and right for photos and screenshots that will be shared. PNG keeps text in screenshots perfectly crisp and supports transparency. WebP is small and good for websites.

Size limits

Browsers limit how large a single image can be, and the limits differ: desktop browsers allow very large canvases, while phones, iPhones in particular, allow far smaller ones. Very long chats stitched from dozens of high-resolution screenshots can reach that. If the result fails, reduce the number of images or turn on same width with smaller screenshots.

Typical uses

Sharing a full chat as evidence or for a laugh, creating a before-and-after for a renovation or a photo edit, building a comic strip from panels, combining a scanned document’s parts, making a step-by-step guide from screenshots.

Overlapping screenshots

Consecutive screenshots of a scrolling page usually overlap. The tool does not detect that, so crop the repeated part off each image first with Crop Image for a clean result.

Privacy

Screenshots often contain private messages. They are processed only in your browser and never uploaded. Blur names or numbers first with Blur Image if you plan to share publicly.

Sharing long images

Messaging apps and social networks often shrink very tall images, making text unreadable. If a stitched chat is longer than about four phone screens, split it into two or three images, or share it as a PDF with JPG to PDF.

Related tools

For grids and free layouts, use the Collage Maker. To do the opposite and cut one image into pieces, try the Image Splitter.