Exact output dimensions
Produce the pixel box required by a marketplace, CMS, presentation, or social post.
Private batch image resizer
Set output dimensions once, preview the fit, and resize a batch without uploading client or personal images.
Use the free toolRuns in this browser
Choose contain, cover, or stretch intentionally. The result reports every output dimension and never changes the original files.
Result
The jobs this tool completes
Produce the pixel box required by a marketplace, CMS, presentation, or social post.
Know whether the image will gain padding, lose edges, or distort before exporting.
Apply one decision to a related set and receive separately named files.
Workflow
Learn the details
Understand contain, cover, cropping, padding, and stretching before choosing an image resize mode.
Read guide →GuideA repeatable checklist for resizing a group of images without mixed dimensions, surprise crops, or overwritten originals.
Read guide →Common questions
Produce the pixel box required by a marketplace, CMS, presentation, or social post.
Know whether the image will gain padding, lose edges, or distort before exporting.
Apply one decision to a related set and receive separately named files.
No. The tool completes and explains its calculation or transformation, but another platform can apply different limits, rules, encoders, or policies. Verify consequential output in the destination.
Ready
Return to the tool with your inputs still in this tab.