The AudioKit Blog

Guides for producers, artists & DJs

Why the things that matter in music actually matter — BPM, key, loudness, stems, artwork — and how to do each one free, right in your browser.

Conversion & files

How to convert audio files

WAV, MP3, FLAC, AIFF, OGG, M4A — which format to pick.

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Conversion & files

How to extract audio from video

Pull the audio track from any video, lossless by default.

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Conversion & files

Sample rate & bit depth explained

What they are and when to change them — for compatibility, not quality.

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Conversion & files

How to edit ID3 tags

Title, artist, album and cover art — clean metadata, no re-encoding.

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Conversion & files

Mono & stereo, explained

Downmix, duplicate, extract or swap channels — and the myth of 'wider'.

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Cut & structure

How to Make a Seamless Loop From Any Track

Loop any section so the end flows back into the start with no click or gap — right in your browser.

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Cut & structure

How to Trim or Cut Audio Online

Cut the dead air, keep the part you need and export — free, with no upload.

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Cut & structure

How to Merge Audio Files Into One Track

Stitch several tracks into one continuous file — drag, order and merge in your browser.

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Cut & structure

How to Make a Seamless Medley or Mashup

Chain songs or sections into one smooth medley or mashup, with clean transitions between each.

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Cut & structure

How to Add a Fade In or Fade Out

Ease a track in or out with a smooth fade — set the curve and length, then export.

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Cut & structure

How to Reverse Audio

Flip any audio backwards for reverse effects, reveals and transitions — instant and free.

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Tempo & rhythm

Why You Need to Know a Song's BPM — and 7 Clever Ways to Use It

Beatmatching, sample warping, tempo-synced delays and more — what tempo unlocks once you know it.

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Key & harmony

Why a Song's Key Matters — and 6 Clever Ways to Use It

Harmonic mixing, transposing for your voice, mashups and chord progressions — all from one number.

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Vocals & stems

How to Make an Instrumental or Karaoke Version of Any Song

Split any track into vocals and instrumental with AI — for karaoke, covers, remixes and practice.

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Loudness & mastering

What LUFS Should Your Music Be for Spotify, Apple & YouTube?

The target loudness for every platform, why louder no longer wins, and how to hit it before you upload.

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Artwork & visuals

How to Make Album Cover Art for Your Single

Turn a short prompt into a distribution-ready 3000×3000 cover, built specifically for music artwork.

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Promo & socials

How to Make an Instagram Promo Visual for Your Release

Turn your cover into a ready-to-post promo card — title, artist, platforms and an Out Now tagline.

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Royalties & splits

How to Split Music Royalties Between Collaborators

Split master and publishing fairly, check each side totals 100%, and export a signable split-sheet PDF.

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Streaming income

How Much Do Music Streams Actually Pay?

Estimate what your streams earn across Spotify, Apple Music, Tidal and more — realistic per-stream ranges, by platform.

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Metadata & IDs

What Is an ISRC Code — and How to Find One

The unique ID that tracks your song across streaming, radio and sales — what it's for and how to find any track's ISRC.

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Mixing & monitoring

Does Your Mix Translate? How to Check on Every Speaker

Why mixes fall apart on phones and in cars — and how to A/B your track across phone, laptop, earbuds, hi-fi and car.

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Low end & tuning

How to Tune a Kick or 808 to Your Track's Key

An out-of-tune 808 muddies your low end — find its pitch and retune it to the key without changing its length.

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Mastering & QC

Is My Master Ready to Release?

Check loudness, true peak, clipping, mono compatibility and silence in one pass — a full pre-release report before you upload.

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