Image workflow guide
How to prepare images before uploading them
Large camera images are convenient to capture but rarely ideal for websites, forms, email, or profile pages. A good upload-ready image has the right dimensions, a suitable format, and enough compression to load quickly without looking visibly damaged.
Start with the final use
The best image settings depend on where the file will be used. A blog photo, app icon, product thumbnail, screenshot, and document upload all have different needs. Before changing quality or format, decide the visible size the image must fill and whether transparency, sharp text, or broad compatibility matters.
Resize first, crop second when composition matters, then compress or convert the final image. Compressing a huge original before resizing usually wastes time and can make it harder to judge the real final quality.
Choose the right format
| Format | Best for | Strength | Watch for |
|---|---|---|---|
| JPG | Photos, gradients, product images, blog images | Small files, wide support, adjustable quality | No transparency; repeated saves can add compression artifacts |
| PNG | Logos, screenshots, interface graphics, images that need sharp edges | Lossless-style output and transparency support | Can be much larger than JPG or WebP for photos |
| WebP | Modern websites, thumbnails, ecommerce galleries, blog media | Often smaller than JPG or PNG at similar visual quality | Older workflows may reject it |
| AVIF | Performance-focused sites where supported by the browser and CMS | Very compact modern format | Export and display support can vary by browser and platform |
Common dimensions that work well
| Use case | Typical size | Practical note |
|---|---|---|
| Hero or wide article image | 1600-2400 px wide | Use larger dimensions only when the layout displays them. Compress before upload. |
| Open Graph / social preview | 1200 x 630 px | Keep important subject matter away from the edges because platforms crop previews differently. |
| Square product or profile image | 1000-1600 px square | Use a square crop first, then compress the final file. |
| Inline blog image | 900-1400 px wide | Match the width of the content column instead of uploading the camera original. |
| Favicon source image | 512 x 512 px square | Start with a simple centered graphic so small icon sizes remain recognizable. |
Compression settings without guesswork
For JPG and WebP, quality settings around 0.75 to 0.9 are often a useful starting point. Photos with soft backgrounds can usually tolerate stronger compression than screenshots, graphics with text, or images with hard edges. Always compare the preview and final file size because the best setting depends on the actual pixels, not just the file extension.
If an upload form has a strict limit such as 500 KB or 1 MB, use target-size compression after resizing the image. Reducing dimensions often improves quality more than forcing a very low compression setting on a large file.
A reliable browser workflow
- Check the original width, height, file size, and type.
- Crop the image if the subject needs a specific composition or aspect ratio.
- Resize to the largest dimensions the destination will actually display.
- Choose the format that fits the destination: JPG for broad photo support, PNG for transparency, WebP or AVIF for modern web performance.
- Compress the final image and compare visual quality before uploading.
You can follow that workflow with the image dimensions checker, crop tool, resize tool, and compressor.
Continue with a focused guide
For more detail, compare JPG, PNG, WebP, and AVIF, learn how to reduce image file size, or plan dimensions for web images.