Skip to content
Search the site
REGOLITH GUIDE

Video Feature Overview

Compress, Trim, and Extract Audio from Video. Explains supported tasks, usage steps, and how to check results on a single page.

Video Tasks Handled by the Tool

Trim or compress videos and convert them to MP4, WEBM, MOV, MKV, AVI, M4V, MPG, OGV, or GIF. You can also extract audio only, in MP3, WAV, or M4A format, from the same conversion screen.

General Usage Steps

  1. Select a tool from the list below that suits your needs.
  2. Provide a file or value and review the output options.
  3. After processing, check the output file's name, format, and size, then save it.

Video Feature List

This feature is available to run from the current public catalog.

All-in-One Video Format and Audio Converter

Convert videos to MP4, WEBM, MOV, MKV, AVI, M4V, MPG, OGV, or GIF, or extract audio only in MP3, WAV, or M4A format.

Open Feature →

Reduce Video File Size

Reduce video file size for easier sharing.

Open Feature →

Trim Video

Trim and save only the required segment of a video.

Open Feature →

Extract MP3 from Video

Save only the audio from the video as an MP3 file.

Open Feature →

MP4 to GIF

Convert a short video into an animated GIF.

Open Feature →

Edit Multiple Video Segments

Enter multiple time ranges in seconds or hours:minutes:seconds to keep or remove them. Example: 0-3, 5-8

Open Feature →

Shift Subtitle Timing

Shift SRT and VTT subtitle timestamps. Negative values move subtitles earlier; positive values delay them.

Open Feature →

Subtitle Translation & Dual Subtitles

Translate between Korean and English locally and save the translation alongside the original text.

Open Feature →

Video Color Correction

Adjust brightness, contrast, saturation, and color warmth.

Open Feature →

Mosaic or Blur Video Regions

Conceals the specified screen area for the selected duration. Leave the end time blank to apply it until the end.

Open Feature →

Video and Audio Fades

Apply synchronized video and audio fades at the beginning and end.

Open Feature →

Photo Slideshow

Select multiple photos and optionally one music track to create a 16:9 video. Photos play in the order selected.

Open Feature →

Video Transition Effects

Overlays and combines two videos in the selected order. Supports different formats and videos without audio.

Open Feature →

Automatic Scene Detection & Splitting

Splits the video at points with significant visual changes and saves the segments as a ZIP file. Lower thresholds produce more segments.

Open Feature →

Chroma Key Background Compositing

Select a new background image or video after the green-screen video.

Open Feature →

Video Scene Contact Sheet

Saves frames sampled at regular intervals throughout the video as a single JPG image with timestamps.

Open Feature →

Change Video FPS

Change the frame rate while preserving the video duration.

Open Feature →

Adjust Video and Audio Synchronization

Positive values delay the audio, while negative values move it earlier. The video duration remains unchanged.

Open Feature →

Crop Video

Crop a rectangular region from a video and save it as MP4.

Open Feature →

Change Video Resolution

Change the horizontal resolution while preserving the original aspect ratio.

Open Feature →

Loop Video

Loop the video and audio together the specified number of times.

Open Feature →

Reverse Video

Reverse both the video and audio of a clip up to 120 seconds long.

Open Feature →

Adjust Video Volume

Adjust the volume of the video's audio track.

Open Feature →

Remove Video Audio

Save as an MP4 with the audio track removed.

Open Feature →

Add Audio to Video

Select a video first, then an audio file. Choose to replace or mix the audio, or lower the music volume when speech is detected.

Open Feature →

Add Images or Logos to Video

Select a video, then an image, and overlay the image at the specified position.

Open Feature →

Add Text to Video

Display Korean text at the bottom center of the video.

Open Feature →

Remove Logo Areas from Videos

Fills the selected rectangle by interpolating surrounding pixels. Traces may remain on complex backgrounds.

Open Feature →

Reduce Video Shake

Reduce video shake by correcting small movements between frames.

Open Feature →

Split Video at Regular Intervals

Split a video into segments of the specified duration in seconds and save them as a ZIP.

Open Feature →

Merge Videos

Standardizes videos with different codecs, resolutions, or no audio, then merges them in the selected order.

Open Feature →

Change Video Aspect Ratio

Fit the video into a 16:9, 9:16, or 1:1 canvas.

Open Feature →

Rotate Video

Rotate the video 90 degrees clockwise.

Open Feature →

Flip Video Horizontally or Vertically

Flip a video horizontally or vertically.

Open Feature →

Change Video Speed

Adjust video playback and audio speed together from 0.25x to 4x.

Open Feature →

Compress Video to Target File Size

Analyze video duration and compress the video using a bitrate calculated to approach the target file size in MB.

Open Feature →

Extract Video Frames

Extract the specified number of frames per second and save them as a ZIP of JPG images.

Open Feature →

GIF to Video

Convert animated GIFs into MP4 videos.

Open Feature →

Automatically Generate Video Subtitles

Uses Whisper to recognize speech in videos and generate SRT subtitles. Local translation and bilingual subtitles are also supported for Korean and English speech.

Open Feature →

Convert SRT/VTT Subtitles

Convert subtitles between SRT and WebVTT formats.

Open Feature →

Burn Subtitles into Video

Select a video and an SRT or VTT file to burn subtitles into the video.

Open Feature →

Shorten Silent Sections in Videos

Automatically shorten silent sections at the beginning, middle, and end.

Open Feature →

Automatically Convert to Vertical Short-Form Video

Creates a 1080×1920 vertical video using center, face, or full-body detection. Detection accuracy varies depending on the composition.

Open Feature →

Extract Video Thumbnails

Save a frame from the desired point in the video as a JPG thumbnail.

Open Feature →

Combine Multiple Videos into One Screen

Arrange up to four videos in a 2-way or 4-way split-screen layout.

Open Feature →