Kvazaar 2.3.2-1

This command-line tool (CLI) transforms large video files into compact, streamable formats while preserving visual quality that rivals commercial encoders costing thousands.

What is Kvazaar?

Kvazaar is the leading open-source H.265/HEVC video encoder developed by Ultra Video Group - which is also behind the development of uvg266, an encoder for the emerging Versatile Video Coding (VVC)/H.266 standard.

Why Choose Kvazaar for Video Encoding?

Massive File Size Reduction: Compress 4K videos up to 50% smaller than H.264 while maintaining identical visual quality.

A 10GB video becomes 5GB without viewers noticing any difference.

Zero Cost, Maximum Performance: Unlike expensive commercial encoders, Kvazaar is completely free under the BSD 3-clause license.

No subscriptions, no limitations, no hidden costs.

Professional Results: Trusted by streaming platforms, video conferencing solutions, and broadcast professionals worldwide.

Kvazaar handles everything from 320p web videos to 4K cinema content.

Cross-Platform Compatibility: Works seamlessly on Windows, macOS, and Linux systems.

Perfect for developers, content creators, and video professionals regardless of their operating system.

Real-Time Encoding: Achieves real-time HEVC encoding speeds up to 4K resolution on modern processors, making it ideal for live streaming applications.

Who Uses Kvazaar?

• Streaming Platforms: Reduce bandwidth costs while delivering high-quality video.
• Video Conferencing: Enable smooth HD calls with lower data usage.
• Content Creators: Compress YouTube, Twitch, and social media uploads.
• Broadcasters: Professional-grade encoding for television and online distribution.
• Developers: Integrate H.265 encoding into applications and workflows.

Quick Start Guide:

After downloading, encode your first video with this simple command:

​​​​​​​kvazaar -i input.yuv --input-res 1920x1080 -o output.265

Technical Specifications:

• Format Support: H.265/HEVC encoding.
• Input Formats: YUV, Y4M, and more.
• Bit Depth: 8-bit and 10-bit support.
• Resolution: Up to 4K and beyond.
• Platforms: Windows, macOS, Linux.
• Architecture: x86, x64, PowerPC, ARM.

System Requirements:

• Minimum: 2GB RAM, dual-core processor.
• Recommended: 8GB RAM, quad-core processor for 4K encoding.
• Disk Space: A few MB installation.

The Ultra Video Group continuously updates Kvazaar with performance improvements and new features.

Version 2.3.2 doesn't introduce major new features but includes several important fixes — most notably improvements to 10-bit encoding and cost calculation for SMP and AMP blocks. As a result of the corrected AMP cost calculation, AMP is now enabled in the veryslow preset.

For full details, see the Kvazaar v2.3.2 release notes.

Whether you're encoding a single video or processing thousands of files in batch operations, Kvazaar scales to meet your needs.

​​​​​​​The modular architecture supports parallelization across multiple CPU cores, maximizing your hardware's potential.

DOWNLOAD KVAZAAR 2.3.2 NOW - FREE​​​​​​​