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
1
Open the Settings window and choose the Folder Monitoring tab

2
Press Add folder to add the folder you want to monitor

3
Once the folder is added, press Settings to customise the compression settings for that folder

4
Configure your compression settings

5
Whenever a new file is added to the folder, Compresto will automatically compress it

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.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.

