Resizer: Image Converter

Resizer is now on iPhone and iPad. Batch-resize, convert, and compress images in seven formats with smart filenames and fully local, cloud-free processing.

Resizer is a fast, private tool for batch image processing on iPhone and iPad. Resize, convert, and control the quality of one photo, a full selection, or an entire folder—your files stay on your device.

FEATURES

– Resize by width, height, short side, or long side – Keep the original format or convert to JPG, WebP, PNG, HEIC, TIFF, and PDF – Compress with precise quality control – Process multiple images and folders in batches – Import from Photos and Files – Compare the original and result before export – Build smart filenames with name, index, dimensions, and date – Remove EXIF metadata – Use built-in presets for the web, marketplaces, and compression – Export to Photos, Files, or any app through the Share sheet – Run Resizer from other apps with the Resizer extension – Light and dark appearance

PRIVATE BY DESIGN

All processing happens locally on your device. Your images are never uploaded to a server or the cloud.

FREE AND PRO

The free version lets you process up to 3 images per day on iPhone and up to 10 on iPad. Resizer Pro removes the limit forever—one purchase unlocks Mac, iPhone, and iPad. No subscription.

Prepare photos for websites or marketplaces, reduce attachment sizes, convert HEIC to JPG, turn images into PDFs, or process a whole folder—quickly and without extra steps.