Best AI and Online Music Mastering Services for Musicians (2025)

A lot has been written about the role and importance of mastering music. As the final stage of audio production, mastering makes sure that your mix is polished and refined and sounds balanced, cohesive, and professional across various playback systems and formats.

It’s in recent years that online and AI-driven mastering tools have gained prominence in the music industry. Traditionally, mastering has been regarded as one of the most challenging aspects of music production, requiring specialized equipment and software along with significant time, energy, and a highly sensitive ear. Considering its relevance to music-making, it’s no secret that mastering could only be performed by a professional mastering and audio engineer in the past, and the price of such services has typically been very high, sometimes costing hundreds or thousands per song.

Online mastering has become a game changer in this field, offering a new level of customization, automation, and ease in the music mastering process. These tools provide innovative, fast, and cost-effective solutions compared to traditional, human-led mastering, often delivering a professional-sounding final product. So, what are the key benefits of AI and online mastering services? Let’s take a look!

Unlike professional mastering engineers, online and AI mastering tools tend to be extremely cost-effective. This is not to undermine the importance of a mastering engineer, but if you’re seeking an affordable yet efficient way to master your music, an online mastering tool might be the ideal solution for you. Professional-grade mastering software also tends to be quite expensive, making AI mastering tools a great choice for saving money.

Are you looking for ways to save time? AI and online tools can certainly assist you! Unlike humans, who can only manually master one track at a time, AI mastering tools can edit and enhance multiple tracks simultaneously, completing the task in just minutes! Furthermore, these tools can generally analyze and optimize tracks much faster than a professional audio engineer, saving both time and effort, often delivering results instantly.

Certainly, thanks to the power of the internet, online mastering services are available to nearly everyone. More importantly, they are accessible to all, regardless of their knowledge or experience in music production. The process of mastering with artificial intelligence is typically quite streamlined and easy to understand, which helps save time.

Consistency in sound is a crucial ingredient to making your music feel cohesive and unified. This, in return, enhances the listening experience of your fans, preventing your tracks from seeming all over the place. AI mastering tools can ensure consistency across multiple tracks, delivering polished masters time after time.

We have touched on this in previous points, but it’s important to emphasize that online and AI mastering tools can automate a wide range of basic mastering tasks, such as compression, limiting, and EQ. As a result, users gain more space and time to focus on other, more complex aspects of mastering that will help them achieve a version of their track that aligns with their vision.

In addition, some tools offer a high level of customization, allowing users to have varying degrees of control over the mastering process and enabling additional adjustments to those basic tasks. While you won’t achieve the same level of nuanced adjustments as you would with a human engineer, these tools can still help you get closer to a version that matches your vision.

The fundamental disadvantage of online or AI music tools is that they are not human. Despite the many advantages these tools offer, this limitation remains significant—meaning they can’t replace or truly compare to a professional mastering engineer. This is primarily due to differences in quality and the lack of artistic touch that is present when a sound file is mastered by a professional.

While these tools are continually developing and their features and capabilities are consistently improving, often delivering impressive results, potential quality concerns still exist. AI-powered tools, in particular, frequently lack the ability to fully grasp an artist’s artistic vision and intent. Additionally, while they excel at basic tasks mentioned earlier, they may demonstrate significant limitations when it comes to more intricate and complex audio elements. Furthermore, over-relying on these tools can result in a somewhat robotic, inauthentic sound, and using solely AI presets or algorithms can also restrict your creativity—you might forget your intent and creativity altogether and become overly reliant on the suggestions made by the tool.

The lack of human touch is a significant limitation that online and AI mastering present. Unlike a human professional, such tools cannot fully understand and capture the emotional intelligence, nuances, and important details in a track. While these traits are important in all tracks and genres, their absence may be especially noticeable in genres that focus on emotional expression, such as classical music, soul, or rap.

For these reasons, when choosing a tool like this, it’s important to be aware of its drawbacks. If you’re relatively experienced with mastering, you might find the errors and shortcomings caused by the tool relatively easy to identify and fix, but be prepared for it to take a significant amount of your time.

Price: $9 per track (using a preset), or $10 per track (using your own reference track), one-time fee; get tracks included with our AMPLIFY plans

iMusician’s Instant Mastering tool is a quick, online audio mastering solution designed to meet the needs of independent musicians and labels, looking for time-efficient and budget-friendly options that ensure high-quality results. With Instant Mastering, you get to save both time and expensive studio mastering costs while achieving a professional sound.

The tool does not require any mastering experience, meaning that it can be used by anyone, regardless of their skill level. You can choose from a set of presets spanning countless genres. All presets are adjusted to genre and industry standards, allowing musicians to achieve a sound that meets platform requirements. Alternatively, you can use your own reference tracks as a sonic blueprint to get your music mastered in line with your taste.

Instant Mastering is ideal for artists or labels who are juggling multiple projects at the same time or facing tight deadlines and who are looking for a quick solution to get their music release-ready. It is also a great tool for those who do not intend to learn how to master their music, or who cannot afford to hire a professional engineer.

The tool comes with much flexibility, giving musicians the option to listen to unlimited, full previews for free and make side-by-side comparisons before paying for the download. This way, they do not have to commit to anything until they feel satisfied with the results.¨

Features:

• With Instant Mastering, your tracks are ready for release in minutes

• The tool is accessible to all artists, even those who upload their music through a different distributor, and is designed to meet the requirements of streaming and download platforms

• There are no limitations to your projects—you can upload and master as many tracks as you want

• Instant Mastering gives you the choice between X genre-specific presets and allows you to use your own reference tracks

• You can make side-by-side comparisons before deciding to download a track

• You get unlimited, full previews for free—no need to commit before you are confident that you love what you hear

• You do not need to commit to a full subscription to master your tracks—our tool is available for a one-time fee or included in plans

Price: From $12.50/month, or $6.58/month with LANDR Studio

It’s no secret that LANDR’s AI-powered tool has received acclaim in the industry. It operates on an adaptive engine that draws knowledge from thousands of mastered songs to provide a unique mastering solution for each track. As a result, it can analyze and adjust your tracks according to their genre, style, and other parameters like dynamics, frequency balance, and stereo width. Users can select from three distinct Mastering Styles—with their own aesthetics—and thus determine the ‘style’ they are aiming for—clean, loud, or punchy.

Additionally, it is a great option for album mastering. It allows users to effortlessly master their entire albums—in this scenario, LANDR’s engine evaluates and analyzes the whole tracklist (up to 20 tracks) to ensure consistent mastering across the record.

Advantages:

• Landr Mastering masters songs via your web browser, Desktop App, or Mobile App. It is also available as a Landr mastering plugin (VST, AU, AAX) for direct integration into your DAW.

• It provides free mastering previews, allowing artists to select the best option.

• All mastered tracks are optimized for streaming in MP3, WAV, or HD WAV formats.

• It masters tracks at incredible speed, delivering instant or near-instant mastered audio.

• It offers various mastering profiles or genres to match the vibe of an artist’s track.

Disadvantages:

• Its algorithm can sometimes create generic results without considering the track’s style and genre—this especially applies to tracks outside of pop.

• It lacks more advanced controls, including true peak target levels and high- and low-cut filters.

• It offers limited customization options, mainly concentrating on Loudness and Style controls (Warm, Balanced, Open).

• The automated process offered by AI may not fully capture all the nuances or artistic choices that a human engineer would.

Price: From $9/month

Crafted by Grammy-winning producers and engineers Smith Carlson and Colin McLoughlin, e-Mastered is an AI-powered online mastering tool that strives for a ‘professional sound in seconds.’ Designed to be professional, yet fast and easy to use, this mastering application analyzes your file and selects the necessary tools to make your music sound crisper, louder, and more vibrant than the original.

Additionally, it offers reference mastering, meaning that you can upload a reference file alongside your own track and have the engine figure out why it sounds the way it does. Afterward, it automatically matches the loudness, balance, compression, stereo width, and more to make your track sound (almost) like your favorite song.

Advantages:

• It provides advanced mastering options, allowing you to control the intensity of several aspects such as EQ, compression, stereo width, volume, and the overall strength of the master.

• The tool features an incredibly user-friendly and easy-to-use interface.

• It enables you to master your songs with the reference mastering option.

• It includes a customizable library page for sharing your songs with your fans.

• It tracks statistics to show how many people have been listening to your music.

• It adapts to various genres, including dance music, hip hop, rock, and more—the tool embraces the qualities and uniqueness of each song.

Disadvantages:

• You can download an unlimited number of masters per month only with a subscription plan.

Price: From $10/month

‘Built by engineers, for engineers,’ Maastr.io provides an automatic AI web app that enables artists to refine their music with genre-specific presets and complementary mixing and loudness plugins. Emphasizing the importance of a streamlined workflow, the app allows users to master their music in three simple steps—upload, master, and export.

Additionally, Maastr.io offers comprehensive mix notes, enabling individuals to give or receive feedback more effectively from their clients or collaborators. Users can identify the exact section of the mix they wish to change or modify. In addition to enhancing the feedback process, the tool also offers substantial project collaboration options, allowing individuals to work more closely and efficiently in a team setting.

Advantages:

• Users can enjoy AI-powered mastering completed in minutes.

• The tool provides genre-specific mastering presets and optional plugins for mixing and loudness.

• It facilitates enhanced communication and feedback processes with collaborators and clients.

• The simplified iteration process allows users to easily create and store each revision for instant playback and straightforward comparisons.

Disadvantages:

• The tool provides somewhat limited entry-level features compared to its competitors.

• Maastr.io is primarily a subscription-based service, meaning that users seeking a one-time purchase or non-recurring options have fewer choices.

Price: $6/track

Amuse’s AI mastering tool relatively new to the market and is powered by Masterchannel. The tool closely resembles those from BandLab and eMastered. You can easily upload your track on the Amuse website and dive right into the mastering process. It should take only a few minutes for your track to be mastered and ready to go.

Reportedly, however, unlike some other AI-driven music mastering services available, Masterchannel doesn’t compare the tracks that users upload for mastering to existing tracks or genres. Instead, its algorithm is designed to replicate the skills and thought processes of a human mastering expert, thereby delivering more precise results. The tools should enhance EQ, optimize tracks for different speakers, adjust dynamics and loudness, determine saturation levels, improve stereo imaging, and optimize for streaming.

Advantages:

• You can re-upload your tracks as many times as you want.

• You can master several tracks simultaneously, making it ideal for EPs or album mastering.

• No technical experience is required.

Disadvantages:

• The computer-generated algorithm won’t pick up on some nuances in the audio that a professional engineer could.