Image stitching is the process of combining multiple images into a single, seamless picture. It's commonly used to create long screenshots, photo collages, panoramas, and social media posts. Our tool stitches images vertically (top to bottom) or horizontally (left to right).
What is image splitting?
Image splitting divides a single image into multiple parts. This is useful for creating Instagram carousel posts (3×3 grid), web design tiles, or printing large images across multiple pages. Each split piece maintains the original image quality.
Is my data safe? Do you upload my images?
100% safe. All processing happens directly in your browser using JavaScript and Canvas API. Your images never leave your device. We don't have servers to store your data, and we can't access your files even if we wanted to.
Technical Questions
What file formats are supported?
Input formats: JPG, JPEG, PNG, WebP, HEIC, BMP, GIF (first frame), TIFF. Output formats: JPG, PNG, WebP. We recommend PNG for images with transparency and JPG for photos to reduce file size.
Is there a file size or quantity limit?
No limits. Unlike other online tools, we don't restrict file size or the number of images. Since processing happens locally in your browser, the only limit is your device's memory. For very large images (over 50MB), we recommend using a modern browser on a device with sufficient RAM.
Why is the processing slow for large images?
Since all processing happens in your browser, performance depends on your device's capabilities. Large images (over 20MP) may take a few seconds to process. For best performance, use a modern browser (Chrome, Firefox, Edge, Safari) and close other memory-intensive applications.
Feature Questions
How do I create an Instagram 3×3 grid?
Go to our Image Splitter tool, upload your image, select Grid Split mode, set rows and columns to 3, preview and download all 9 tiles, then upload to Instagram in order (left to right, top to bottom).
Can I stitch images of different sizes?
Absolutely. When images have different dimensions, you can choose how to align them: Left/Top align, Center align, or Right/Bottom align. The system automatically handles size differences.
What if the image quality seems reduced after stitching?
Our tool preserves original quality. If quality seems reduced, check if you accidentally selected a lower quality setting, ensure source images are high resolution, and download as PNG for lossless quality.
Troubleshooting
The tool isn't working. What should I do?
Try: Refresh the page and try again, clear browser cache and reload, try a different browser (Chrome recommended), disable browser extensions that might block scripts, check your internet connection (needed to load the tool initially).