FastFlix 5.12.4

Latest update

January 4, 2026

License Price

125 $

OS

Windows

FastFlix 5.12.4

 

FastFlix is a powerful, open-source GUI (Graphical User Interface) wrapper for the FFmpeg command-line tool, specifically optimized for the NVENC (NVIDIA), AMF (AMD), and QSV (Intel Quick Sync Video) hardware encoders. It simplifies the complex process of high-efficiency video transcoding, making advanced codec settings accessible through a user-friendly interface. It excels at reducing file sizes dramatically without significant quality loss, making it ideal for managing large media libraries or preparing content for distribution.

🎥 Primary Users

FastFlix 5.12.4 is developed for video editors, content creators, media archivists, and IT professionals. It is specifically designed for users who need to efficiently convert, compress, or transcode video files between formats (like MKV, MP4) using modern, hardware-accelerated codecs (like HEVC/H.265, AV1) while maintaining high quality.

 

✨ Key Features & Capabilities

  • Hardware-Accelerated Encoding: Leverages your GPU (NVIDIA, AMD, or Intel) for encoding speeds many times faster than software (CPU) encoding, with minimal impact on system performance.

  • Advanced Codec Support: Primary focus on efficient modern codecs like HEVC/H.265AV1 (via SVT-AV1), and VP9, alongside H.264. Fine-tune parameters like Constant Rate Factor (CRF), bitrate, and preset profiles.

  • Intelligent Audio/Subtitle Handling: Robust options for copying, converting, or extracting multiple audio tracks and subtitle streams (including PGS/VobSub to text-based SRT/ASS conversion using OCR).

  • Batch Processing Queue: Add multiple jobs to a queue for unattended processing overnight or while away from the computer.

  • Quality Comparison Tool (Built-in Preview): Encode short clips of your video with different settings side-by-side to visually compare file size and quality before processing the entire file.

  • Chunked Encoding (for stability): Optionally splits videos into segments for encoding, reducing memory usage and preventing loss of entire progress if an error occurs.

  • Source Scanning & Auto Configuration: Analyzes input files to auto-populate audio/subtitle track lists and technical details.

🆕 What’s New in FastFlix 5.12.4

This update focuses on enhanced AV1 support, bug fixes, and workflow improvements:

  1. Updated SVT-AV1 Encoder: Integration of a newer version of the SVT-AV1 software encoder, offering better efficiency and more tuning options for the royalty-free AV1 codec.

  2. Improved NVIDIA NVENC AV1 Support: Enhanced stability and options for systems with NVIDIA RTX 40-series GPUs that feature hardware AV1 encoding.

  3. Queue Management Enhancements: Added more control over the batch queue, such as the ability to reorder jobs and save/load queue lists.

  4. Bug Fixes & Stability: Resolved issues related to specific audio codec transcoding, subtitle burn-in, and application crashes on certain hardware configurations.

  5. Dependency Updates: Under-the-hood updates to included tools like FFmpeg for broader format support and security.

🖥️ System Requirements

  • OS: Windows 10/11 (64-bit) version 21H2 or later

  • CPU: Modern 64-bit processor (Encoding is GPU-based, but a capable CPU helps with decoding and other tasks)

  • RAM: 8 GB minimum (16 GB recommended for handling high-resolution files like 4K or 8K)

  • GPU: Critical Requirement: A dedicated graphics card from the last 5-7 years with hardware encoder support:

    • NVIDIA: GTX/RTX 10-series or newer for H.265/HEVC; RTX 40-series for AV1.

    • AMD: Radeon RX 5000 series or newer for H.265/HEVC.

    • Intel: 7th Gen Core (Kaby Lake) or newer with Quick Sync Video.

  • Disk Space: 1 GB for installation + substantial free space for source/temporary files (SSD highly recommended for speed).

Software

Price: 125 $

Price Currency: $

Operating System: Windows

Application Category: HVAC

Editor's Rating:
5

Latest update

January 4, 2026

License Price

125 $

OS

Windows

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