Free DJ Tools
25+ free online tools for BPM, harmonic mixing, key conversion, and set prep. No signup, no downloads. Just open and use.
Why BPM Matters for DJs
Tempo is the foundation of every DJ mix. When two tracks play at the same BPM, their beats align and the transition feels invisible. When they don't, the dancefloor notices. That's why beatmatching (manually syncing the tempo of two tracks) is the first skill most DJs learn.
Most DJ software auto-detects BPM when you import a track, but it's not always accurate, especially with live recordings, vinyl rips, or tracks with tempo changes. A quick tap tempo check before your set catches these mismatches early. Beyond matching tempo, knowing the exact BPM lets you set precise delay times for echo and reverb effects, calculate how many tracks you need for a set, and figure out whether two genres can mix without drastic pitch shifting.
Harmonic Mixing Explained
Harmonic mixing means blending tracks in compatible musical keys so transitions sound smooth instead of dissonant. Two tracks can be perfectly beatmatched but still clash if their keys conflict. It's the difference between a seamless blend and a noticeable key clash that pulls listeners out of the moment.
The Camelot system simplifies this by assigning every musical key an alphanumeric code (like 8A or 11B). Keys that are adjacent on the Camelot wheel (one step up, down, or between the inner and outer ring) are harmonically compatible. You don't need music theory to use it: just match the codes. This system is built into Rekordbox, Traktor, Serato, and Mixed In Key, making it the standard for DJs worldwide.
Electronic Music Genres & Tempo Ranges
Every electronic music genre sits in a specific tempo range. House lives around 120-130 BPM. Techno pushes 125-150 BPM. Drum & bass runs at 160-180 BPM. Knowing these ranges helps you organize your library by energy level, plan smooth genre transitions in a set, and find new music that fits your style.
Sub-genres add nuance: deep house (120-125 BPM) plays differently than bass house (125-130 BPM), and melodic techno (120-128 BPM) has a different energy than industrial techno (135-145 BPM). Our genre guides break down these distinctions so you can navigate the full spectrum of electronic music, from ambient at 60 BPM to hardstyle at 150+ BPM.
Choosing a DJ Name
Your DJ name is your brand. It goes on flyers, streaming profiles, social bios, and booking inquiries, so it needs to fit your sound, be easy to spell, and not be taken by someone else. A good name is short enough to remember, unique enough to search, and gives a hint of your style without being too literal.
Before committing, check that the name is available across Instagram, SoundCloud, and Beatport. Search for it on Resident Advisor and Discogs to make sure there isn't an existing artist using it. Once you have a name, a strong bio ties it all together: mention your genre, city, notable gigs or releases, and what makes your sets distinctive.
DJ reference library
Browse by Genre, Key, or BPM
Jump straight into practical DJ reference pages: genre tempo ranges, Camelot key pages, and track examples at common BPMs.
Genre
Tempo ranges, sub-genres, reference tracks, and adjacent styles.
Core families
The main floor references most DJs reach for first.
Club and breaks
Broken rhythms, open-format zones, and groove-led club styles.
House and techno
Common set-building branches inside four-on-the-floor music.
Psy, bass and rave
Higher-energy and heavier references for faster transitions.
Key
Every Camelot code with compatible keys and real track examples.
BPM
Tracks near common DJ tempos, with keys for harmonic mixing.