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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Frequently used categories are listed first, with concise card descriptions.
Web Tool CategoriesRanked by actual successful usage in the last 90 days
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Task TypeSelect the task that best matches your needs.
Merge & Speed
5ToolsEasy for BeginnersFile Selection Type
Reverse Audio
Reverse the playback of audio files up to 120 seconds long.
AudioMerge & Speed
Easy for BeginnersFile Selection Type
Loop Audio
Repeat and concatenate audio the specified number of times.
AudioMerge & Speed
Easy for BeginnersFile Selection Type
Audio Mixing
Mix two or more audio tracks so they play simultaneously.
AudioMerge & Speed
Easy for BeginnersFile Selection Type
Merge Audio
Merge multiple audio files into one file in sequence.
AudioMerge & Speed
Easy for BeginnersFile Selection Type
Change Audio Speed
Change playback speed while preserving pitch as much as possible.
AudioMerge & Speed
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.