Keep a sequence readable in one attachment
A bug report with six separate screenshot attachments is a bug report nobody reads in the right order. Stacking them into one vertical image fixes that: the sequence is fixed, the context is preserved, and the reader scrolls through it exactly as it happened. The tool below is already set to the vertical layout, which brings every screenshot to a common width — the natural choice when the images come from the same screen and already share a size.
Why vertical works well for screen captures
Screenshots from one device usually share a width, so stacking them vertically involves almost no rescaling and text stays crisp. If your captures come from different devices, they are scaled proportionally to the narrowest one rather than stretched, so nothing is distorted. A spacing of 8 to 16 pixels with a contrasting background color makes the boundary between two captures obvious, which matters when consecutive screens look nearly identical.
How it works
Add your images
Drop them anywhere on the page or pick them from your device. JPEG, PNG, WebP, GIF, TIFF and AVIF are all accepted, and photos shot on a phone keep the right orientation because EXIF rotation is applied.
Choose a layout and an order
Horizontal puts the images side by side at a common height, vertical stacks them at a common width, and grid arranges them in even columns. Every layout scales proportionally, so nothing is ever stretched or distorted. Drag the thumbnails, or use the arrow buttons, to set the order.
Set your size limit and combine
Enter the maximum file size you need — 2 MB by default. Combinor first lowers the encoding quality step by step, and only if that is not enough does it reduce the dimensions, searching for the largest image that still fits under your limit.
Limits and supported formats
| Input formats | JPEG, PNG, WebP, GIF, TIFF, AVIF |
|---|---|
| Output formats | JPEG, WebP |
| Images per combine | Up to 200 |
| Maximum per file | 80 MB |
| Maximum per request | 256 MB |
| Maximum per image | 100 megapixels |
| Default size limit | 2 MB (adjustable from 0.1 to 100 MB) |
| Spacing between images | 0 to 200 pixels |
| Layouts | Horizontal, vertical, grid |
| Account required | No |
| Images stored on the server | No — processed in memory only |
| Price | Free |
What happens to your images
Your images are sent to the server, combined in memory and sent straight back. Nothing is written to disk, nothing is stored, and there is no account to create. The output is re-encoded from raw pixels, which means the metadata of the source files — including any GPS coordinates recorded by a phone — does not survive into the combined image.
Frequently asked questions
How do I combine multiple screenshots into one image?
Add your screenshots to the tool above and press Combine & Compress. The vertical layout is preselected, so they are stacked top to bottom at a common width in a single file.
Will the text in my screenshots stay readable?
Yes, as long as the size limit is not too tight. Screenshots contain sharp text, which compresses poorly, so raise the max file size if the result looks soft — the result panel reports the quality that was used.
How do I keep the screenshots in the right order?
The thumbnails are combined in the order they appear. Drag them, or use the arrow buttons, until the sequence matches what you want, then combine.
Should I use PNG screenshots or JPEG?
Upload whatever you have — PNG is preferable for screenshots since it is lossless to begin with. The output is JPEG or WebP; pick WebP when the text edges matter, as it holds sharp detail better at the same file size.
Can I separate the screenshots visually?
Set the spacing slider to 8 pixels or more and choose a background color that contrasts with your captures. The gap makes the transition between two screens unmistakable.
Is this safe for screenshots that contain private information?
The images are processed in memory and never written to disk or stored. That said, the combined image still shows whatever was visible in your captures, so redact sensitive parts before uploading.