Calculators & text · Free creator tool Aspect Ratio Calculator Calculate an image or video aspect ratio and matching dimensions.
Browser-local processing No account required Files stay on your device*
Use the Aspect Ratio Calculator
Choose a file or enter your settings to begin.
Download result Designed for this exact task This branch is configured specifically for aspect ratio calculator , rather than being a renamed generic page. Controls and output behavior are selected for this job.
Private by default Your media is processed in your browser. Some advanced engines load code from public CDNs, but NextWatch AI does not intentionally upload your source files.
Review before publishing Always preview the result and confirm any platform, passport, document or file-size requirements before submitting it elsewhere.
Part of Creator Tools Jump between related utilities without leaving the NextWatch AI creator workflow.
*Advanced PDF, OCR, DOCX and video/GIF branches may download third-party JavaScript/WASM engines into your browser. Source files are processed client-side and are not intentionally uploaded to NextWatch AI.
