# Video Bitrate Changer Change video and audio bitrate with preset values or custom settings, supporting both CBR and VBR modes > Canonical page: https://elysiatools.com/en/tools/video-bitrate-changer - **Category:** Media - **Keywords:** video, bitrate, quality, compression, encoding, vbr, cbr ## Overview The Video Bitrate Changer is a versatile media utility designed to modify the video and audio bitrates of your files. By offering both preset options and custom controls, this tool allows you to balance video quality and file size using Constant Bitrate (CBR) or Variable Bitrate (VBR) encoding modes. ## Inputs - **Video File** (file): Select the video file to change bitrate - **Video Bitrate Preset** (select) - **Custom Video Bitrate (kbps)** (number): Video bitrate in kilobits per second (100-3000) - **Audio Bitrate (kbps)** (number): Audio bitrate in kilobits per second - **Bitrate Mode** (select) - **Encoding Passes** (select) - **Output Format** (select) ## When to use - When you need to compress large video files to meet strict upload size limits on web platforms. - When optimizing video playback for mobile users by reducing the bitrate to prevent buffering. - When standardizing the audio and video encoding settings across multiple clips for a consistent streaming experience. ## How it works - Upload your video file (up to 100 MB) in formats such as MP4, WebM, MKV, AVI, or MOV. - Select a predefined bitrate preset or input a custom video bitrate between 100 kbps and 3000 kbps. - Configure the audio bitrate, choose between VBR (Variable Bitrate) and CBR (Constant Bitrate) modes, and select single or two-pass encoding. - Process the video to apply the new bitrate settings and download the optimized output file. ## Use cases - Reducing the file size of MP4 recordings to share them easily via email or messaging applications. - Converting high-bitrate MOV files to lightweight WebM videos optimized for website backgrounds. - Lowering audio bitrates on video lectures to save bandwidth while maintaining clear voice quality. ## Frequently asked questions ### What is the difference between VBR and CBR modes? VBR (Variable Bitrate) adjusts the bitrate dynamically based on the complexity of the video frames to preserve quality, while CBR (Constant Bitrate) maintains a fixed bitrate throughout the video for predictable file sizes. ### Can I set a custom video bitrate outside the presets? Yes, select the 'Custom Bitrate' preset option and enter your desired value between 100 kbps and 3000 kbps. ### Why should I choose Two Pass encoding? Two Pass encoding analyzes the video data in the first pass and applies optimal compression in the second pass, resulting in better visual quality at the same target bitrate. ### What is the maximum file size I can upload? The tool supports video files up to 100 MB in size. ### Can I change the audio bitrate independently of the video bitrate? Yes, you can adjust the audio bitrate from 32 kbps up to 320 kbps using the dedicated audio bitrate option. ## Related tools - [Convert GIF to WebM](https://elysiatools.com/en/tools/gif-to-webm): Convert GIF images to WebM video format with modern compression and web optimization - [Batch Video Compressor](https://elysiatools.com/en/tools/video-batch-compress): Compress multiple video files by reducing file size while maintaining quality using CRF, resolution scaling, and codec optimization - [Video Compressor](https://elysiatools.com/en/tools/video-compressor): Compress video files by reducing file size while maintaining quality using CRF, resolution scaling, and codec optimization - [Audiobook Manuscript Proofreader](https://elysiatools.com/en/tools/audio-audiobook-manuscript-proofreader): Compare narration audio with its manuscript and download a timestamped pickup list for missing, extra, or changed wording. - [Duplicate Audio Library Finder](https://elysiatools.com/en/tools/audio-duplicate-library-finder): Find exact and near-duplicate audio across uploaded files or a ZIP, including copies saved with different codecs. - [Video Audio Extract Enhanced](https://elysiatools.com/en/tools/video-audio-extract-enhanced): Extract audio from video files with advanced options - multiple formats, quality settings, and audio enhancement - [Batch Video Converter](https://elysiatools.com/en/tools/video-batch-converter): Convert multiple video files between different formats like MP4, WebM, MKV, AVI, MOV with quality settings and batch processing - [Video Cutter](https://elysiatools.com/en/tools/video-cutter): Cut and trim video clips with precision, supporting multiple formats and quality settings ## Samples - [Video Samples](https://elysiatools.com/en/samples/video-samples): Sample video files in different formats and orientations - [Video AV1 Samples](https://elysiatools.com/en/samples/video-av1-samples): Sample video files encoded in AV1 format - [Video H.264 Samples](https://elysiatools.com/en/samples/video-h264-samples): Sample video files encoded in H.264 (AVC) format - [Video H.265 Samples](https://elysiatools.com/en/samples/video-h265-samples): Sample video files encoded in H.265 (HEVC) format ## Related content - [Video Container Conversion with Deliberate Transcode Control](https://elysiatools.com/en/hubs/video-container-conversion-and-transcode-control): Convert footage between MP4, AVI, FLV, MKV, MOV, and WebM containers, keep CRF and bitrate decisions under control during the re-encode, and batch a whole library under one recorded configuration.