Multiple Conversion Formats
Convert audio files such as M4A, MP3, and WAV; video files such as MP4, WEBM, and MOV; and images such as JPG, PNG, and WEBP into formats suited to your needs.
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Crop & Resize
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Easy for BeginnersFile Selection Type
Resize Image
Resize a photo to your desired width and height in pixels.
ImageCrop & Resize
Easy for BeginnersFile Selection Type
Crop Image
Crop and save only the required area of a photo.
ImageCrop & Resize
Easy for BeginnersFile Selection Type
Rotate Image
Rotate images in 90-degree increments.
ImageCrop & Resize
Easy for BeginnersFile Selection Type
Split Image into a Grid
Split an image into rows and columns and save the pieces as a ZIP of PNG files.
ImageCrop & Resize
Easy for BeginnersFile Selection Type
Crop Image to Circle
Crop the center into a circle and save it as a PNG with transparent corners.
ImageCrop & Resize
Everything from file conversion to calculations and diagnostics in one place
REGOLITH is more than a collection of links. It provides functional web tools that take you from entering data and running tasks to reviewing and saving results. Original files remain unchanged, with results created separately. Each tool page explains supported formats, usage steps, and how to review results before you begin.
Getting Started Guide
Instructions for selecting files, configuring options, running tools, and saving results are available on a separate guide page and within each tool.
Detailed Task Descriptions
Provides format characteristics, recommended uses, guidelines for verifying calculation results, and precautions for handling sensitive files.