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Overview

Folder monitoring allows Compresto to automatically compress files when they are added to specified folders. This is useful for automating compression workflows.

Getting Started

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Open the Settings window and choose the Folder Monitoring tabfolder_monitoring_1
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Press Add folder to add the folder you want to monitorfolder_monitoring_2
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Once the folder is added, press Settings to customise the compression settings for that folderfolder_monitoring_3
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Configure your compression settingsfolder_monitoring_4
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Whenever a new file is added to the folder, Compresto will automatically compress itfolder_monitoring_5

Configuration Options

File Type

Choose which file types to monitor and compress:
Folder monitoring handles images and videos only. GIF, PDF, and EPUB files in a monitored folder are ignored. Hidden files and in-progress Chrome downloads (.crdownload) are skipped too.

Wait for File to Finish Writing

Large downloads, exports, and network transfers can arrive in pieces. Set Wait for file to finish writing (0–60 seconds) and Compresto waits until the file size stays the same for that long before compressing it. Type a value and press Update. The default is 0, which compresses new files right away.
Use 2–5 seconds for folders that receive files over the network or from apps that write in chunks.

Video Settings

  • Video quality: highest, high, good, medium, acceptable
  • Video resolution: same as input, 4K, Full HD, HD, max width, max height, max long edge, max short edge
  • Video format: same, mp4, webm, mov
  • Remove audio: Strip audio track from videos

Image Settings

  • Image quality: highest, high, good, medium, acceptable
  • Image format: same, jpg, png, webp, avif
  • Image size: same as input, percentage, max width, max height, max long edge, max short edge

Subfolder Processing

Use Include subfolders to control how deep Compresto watches:

Output Settings

Remove Input File

Enable to automatically delete the original file after compression.

Output Folder

Output File Name Format

Customize the output file name using these variables: Leave the field empty to use the global file name format.
Each monitored folder can have its own independent compression settings.

Clipboard Compression

The Folder Monitoring tab also has Auto-compress clipboard contents, which compresses files and images as soon as you copy them. See Clipboard compression.