6 Best Free AI Audio Enhancer Tools in 2024

In today’s digital landscape, AI audio enhancers have revolutionized the way we process and enhance sound quality. These tools are invaluable for content creators, podcasters, musicians, and anyone looking to improve audio by reducing noise, boosting clarity, and balancing sound levels. Fortunately, many of these tools are available for free, making professional-grade audio editing accessible to everyone.

Below, we explore the 6 best free AI audio enhancers for 2024, detailing their features, pros and cons, and how they can improve your audio experience.

1. Krisp

Krisp is one of the top AI audio enhancer online free tools, specializing in real-time noise cancellation. This tool is perfect for professionals who need clear audio during live meetings, podcasts, or streams. It uses AI to remove background noise like fan sounds, barking dogs, or street noise, ensuring only your voice is heard.

Features:

• Real-Time Noise Cancellation: This feature uses AI to filter out background noise during live events such as video calls, streaming, and podcasting.
• Echo Removal: Removes echo from rooms with poor acoustics, making it easier to record or communicate in any setting.
• Voice Cancellation: Krisp can identify and remove background voices, allowing the speaker’s voice to stand out.
• One-Click Operation: Krisp offers a simple, user-friendly interface with easy setup and control over all features.

Pros:

• Perfect for Live Use: The real-time processing feature makes it great for video conferencing, streaming, or live podcasting.
• User-Friendly: You don’t need to be a sound engineer to use it. Krisp’s one-click setup ensures it’s accessible to everyone.
• Platform Compatibility: Available across Windows, Mac, and Chrome, making it flexible and versatile.

Cons:

• Free Plan Limitations: The free version only allows 240 minutes of noise cancellation per week, which may be limiting for heavy users.
• Not Ideal for Post-Production: Krisp is focused on live audio rather than post-recording audio enhancement, so it’s not the best option for editing pre-recorded files.

My Experience:

I’ve used Krisp during virtual meetings and live streams, and it was highly effective in eliminating disruptive background noise like fan hums or street sounds. Its real-time capabilities make it one of the best free AI audio enhancers for live applications.

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2. Auphonic

Auphonic is an excellent AI audio enhancer free platform that specializes in post-production audio processing. It’s a favorite among podcasters, video creators, and musicians due to its automated features like noise reduction, loudness normalization, and leveling, ensuring professional-quality audio with minimal effort.

Features:

• Loudness Normalization: Auphonic automatically adjusts loudness levels across speakers or tracks, maintaining a consistent volume throughout the recording.
• Noise Reduction: Automatically filters out unwanted background noises, such as hums or hisses, improving the overall clarity of the recording.
• Leveling: Ensures balanced audio across multiple tracks, perfect for multi-speaker podcasts or interviews.
• Metadata Management: Adds metadata like titles, artist names, and episode descriptions to audio files.

Pros:

• Hands-Free Workflow: Auphonic automates much of the audio processing, making it easy for users who want to improve their sound quality without technical expertise.
• Format Flexibility: It supports a variety of audio formats, such as MP3, WAV, FLAC, and AAC.
• Generous Free Tier: The free plan offers 2 hours of processing per month, which is useful for casual users or smaller projects.

Cons:

• Limited Free Usage: For users who need more than 2 hours of audio processing a month, the free plan may not suffice.
• Not for Live Use: Unlike Krisp, Auphonic is designed for post-production work rather than real-time processing.

My Experience:

Auphonic is my go-to for post-production. Its AI audio enhancer free capabilities like noise reduction and loudness normalization have been invaluable for podcast editing. It’s one of the best tools for users needing automatic, high-quality post-processing.

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3. Podcastle

Podcastle is a powerful AI audio enhancer online free tool designed for podcasters, voice-over artists, and content creators. It provides AI-driven audio enhancement alongside multi-track recording and editing, offering a full suite of tools for producing polished voice content.

Features:

• Noise Reduction: Uses AI to automatically detect and remove background noise from voice recordings.
• AI Voice Equalizer: Enhances the clarity of voices by adjusting tone, volume, and other vocal characteristics.
• Built-In Recorder: Podcastle comes with a built-in audio recorder, allowing you to capture high-quality audio directly within the app.
• Multi-Track Editing: Supports simultaneous editing of multiple audio tracks, making it easy to work with interviews or multi-speaker podcasts.

Pros:

• All-in-One Solution: Podcastle combines recording, editing, and AI audio enhancement in a single tool, making it ideal for podcasters.
• Unlimited Free Use: Unlike many other platforms, Podcastle offers unlimited access to its AI enhancement tools in the free version.
• Beginner-Friendly: The platform’s simple interface and comprehensive features make it easy for beginners to produce professional-quality audio.

Cons:

• Limited to Voice Content: While Podcastle excels at voice-based projects, it isn’t designed for enhancing music or other non-vocal audio.
• Browser-Based: It requires a constant internet connection, which may limit users with unreliable networks.

My Experience:

Podcastle is a game-changer for podcasters. Its AI-powered tools make it easy to clean up recordings and ensure vocal clarity. For a free AI audio enhancer, it offers more features than many paid platforms, though its focus on voice content limits its versatility.

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4. VocalRemover.org

VocalRemover.org is a free, web-based tool that specializes in separating vocals from instrumental tracks. It also offers basic AI audio enhancer free features such as noise reduction and pitch adjustment, making it a popular choice for musicians and karaoke enthusiasts.

Features:

• Vocal Isolation: Uses AI to separate vocals from the background music, creating karaoke tracks or instrumentals.
• Noise Reduction: Helps remove unwanted background noise to clean up audio recordings.
• Pitch and Tempo Adjustment: Modify the pitch and speed of your audio, making it ideal for remixing or adjusting vocals.
• Multi-Format Support: Supports common audio formats like MP3, WAV, and FLAC for easy file manipulation.

Pros:

• Specialized for Musicians: Its vocal isolation feature is perfect for musicians or DJs looking to extract vocals or instrumentals from existing tracks.
• Simple and Free: No sign-up or installation is required, and all features are free.
• Quick Processing: The tool processes files quickly, making it suitable for users who need fast results.

Cons:

• Limited to Basic Functions: While great for vocal isolation, it lacks advanced audio enhancement features found in other tools.
• Quality Loss: The process of isolating vocals or instrumentals can lead to some degradation in audio quality.

My Experience:

For musicians, VocalRemover.org is an excellent free tool for isolating vocals and creating instrumentals. While its noise reduction capabilities are basic, it’s a powerful tool for music production enthusiasts looking for a free, easy-to-use platform.

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5. Audioalter

Audioalter is a collection of web-based audio enhancement tools, offering a range of AI audio enhancer free features such as noise reduction, equalization, and 3D audio effects. It’s perfect for users who need quick audio adjustments without downloading any software.

Features:

• Noise Reduction: Removes background noise from audio files for cleaner, crisper sound.
• Equalizer: Adjusts the balance between different audio frequencies to enhance the overall sound.
• Reverb Control: Allows users to add or reduce reverb in their audio files, making it ideal for creating depth or correcting poor room acoustics.
• 3D Audio: Adds spatial effects to audio, creating an immersive, surround-sound experience.

Pros:

• Completely Free: All features are accessible without a paid plan or sign-up process.
• Variety of Effects: Offers multiple enhancement tools, from basic noise reduction to more advanced features like 3D audio.
• Web-Based: No need to install software, making it convenient for quick, on-the-go audio edits.

Cons:

• Basic Features: While useful for quick adjustments, Audioalter doesn’t offer the advanced capabilities of more comprehensive platforms.
• Single File Processing: You can only process one file at a time, which can slow down the workflow for larger projects.

My Experience:

Audioalter is a handy tool for quick audio fixes. I’ve used it to clean up background noise and adjust the frequency balance on several audio files, and the results were impressive given that it’s entirely free. However, it’s best suited for smaller projects or casual users.

6. Adobe Podcast

Adobe Podcast is an AI-powered tool that significantly enhances voice recordings, making them clearer and more professional. It provides excellent noise reduction and works seamlessly with the Adobe Creative Suite, making it ideal for podcasters and voice-over artists.

Features:

• AI Speech Enhancement: Enhances vocal clarity by removing noise and improving voice quality.
• Noise Reduction: Cleans up background noise from audio recordings.
• Integration with Adobe Suite: Syncs well with Adobe Audition for a streamlined workflow.
• User-Friendly Interface: Simple and intuitive, even for beginners.

Pros:

• Produces professional-level audio with minimal effort.
• Free to use with no time restrictions.
• Perfect for voice content like podcasts and interviews.

Cons:

• Focuses on voice enhancement, not suitable for music editing.
• Web-based, requiring a stable internet connection.

My Experience:
Adobe Podcast stands out for its high-quality voice enhancement. Its seamless integration with Adobe tools makes it a top choice for podcasters, and the free tier offers impressive functionality.