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VideoSlim: GitHub Open-Source Video Compression Tool, Shrink up to 90% While Keeping Clear Quality, Totally Free, Clean and Ad-Free

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🕒Last updated: 07/23/2026
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Description

VideoSlim: GitHub Open-Source Video Compression Tool, Shrink up to 90% While Keeping Clear Quality, Totally Free, Clean and Ad-Free

VideoSlim is a free, open-source video compression tool built on the FFmpeg engine, designed specifically for batch processing. It offers a clean graphical interface so you don't have to memorize complex command lines, yet it can reach up to 90% compression while keeping the picture clear. Completely free and built for Windows users, it's an essential tool for content creators, online-course learners and video enthusiasts.

Software Features

Powered by the FFmpeg engine for fast compression, supporting one-click import of many mainstream video formats (MP4, AVI, MOV, etc.).

Add files in batches and let it automatically queue up multi-task compression, greatly improving your work efficiency.

Two preset modes are provided—"Quality First" and "Size First"—so both beginners and pros can get started quickly.

Manually adjust video resolution, frame rate and bitrate to meet personalized output needs.

Completely free and open source, with no ad pop-ups or feature limits—clean and safe.

Screenshots

VideoSlim: GitHub Open-Source Video Compression Tool, Shrink up to 90% While Keeping Clear Quality, Totally Free, Clean and Ad-Free

Configuration Suggestions

The app reads config.json on startup. If it doesn't exist, a default configuration is generated automatically.

Daily use: the recommended "default" profile (crf=23.5, preset=medium).

Fast processing: choose the "fast" profile, ideal for quickly compressing a large number of videos.

High-quality needs: use the "high_quality" profile for compression close to the original quality.

Custom profiles: you can add new profiles in configs with any name you like.

*Note: This article is for introduction only and does not constitute any promise of earnings. Monetization results vary from person to person and depend on your own effort and practice. Use what you learn reasonably, and strictly comply with the platform's rules and relevant laws and regulations.*

Supporting Study Materials

This course comes with a materials pack. Members receive the access link by email after requesting the course.

Subscribe and unlock the course to view the supporting materials access links.

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