Audio joiner
Merge recordings, stitch the parts of a long take back together, or put a set of songs into one file. Add the files, move them into order, choose silence or a crossfade between them, and save. Everything runs in your browser.
This page needs JavaScript for the tool itself. Open it in a browser to use it.
How it works
Drop two or more files on the page. Your browser decodes each one and lists them in the order they arrived; the arrows change the order and the bin removes a file. Set a gap or a crossfade, pick MP3 or WAV, and save. The files are laid end to end in memory and the encoder runs in a background thread.
Gaps and crossfades
A gap adds silence between files, half a second to a few seconds, which suits separate songs or chapters. A crossfade overlaps the end of one file with the start of the next, fading one out while the other fades in, which suits parts of one recording or a mix. Choose one or the other; using both runs the crossfade into the silence.
Mixed formats and sample rates
The files do not have to match. An MP3 at 44100 Hz, a WAV at 48000 Hz and a mono voice memo can be joined in one go. The joined file uses the highest sample rate among the sources, the others are resampled to it, and if any source is stereo the result is stereo.
MP3 or WAV
Save as MP3 for a phone or a message; 192 kbps is a good default. Save as WAV when the joined file goes into an editor or a session. An MP3 source is decoded and encoded again, so at low bitrates save as WAV or at 192 kbps or more to avoid adding a second loss.
From the label's own toolbox
BeatRootRaga is an independent label. Joining the good takes of a long session into one reference file is routine work, and this is the joiner the label uses. To take a piece out of a file rather than put files together, the cutter is next door.
Featured releases
All releasesLatest guides
All guidesTaal for beginners: teentaal, keherwa and dadra with clap patterns
A taal is a repeating rhythmic cycle: count 16 beats for teentaal, eight for keherwa, and six for dadra. For teentaal, clap on 1, 5 and 13, wave on 9; for keherwa, clap on 1, wave on 5; for dadra, clap on 1, wave on 4.
Raga Yaman (Kalyani)
Yaman is a seven-note Hindustani raga, a melodic framework, with a raised fourth; Kalyani shares its scale but uses different phrasing and ornaments. Traditionally associated with evening, Yaman can sound serene or devotional; hear its character through Ni Re Ga, starting below Sa, the home note.
What is a raga? A plain-language guide for listeners
A raga is a melodic framework in Indian classical music for creating pieces and inventing melody during performance. Listen for four things: which notes appear, how the melody moves, where the musician lingers, and which short phrases return.
Raga Kirwani (Keeravani)
Kirwani is a raga, a musical framework, using C D Eb F G Ab B when Sa, its home note, is C. Heard in concerts, light classical music and film scores, it often suggests longing; listen for Ab rising to B, then C.
Raga Charukeshi (Charukesi)
Charukeshi comes from Carnatic music and uses Sa, Re, Ga, Ma, Pa, lowered Dha and lowered Ni. Heard in concerts, light music and film scores, its bittersweet character is clearest in the descent from lowered Ni through lowered Dha to Pa.
Raga Bhoop (Mohanam)
Bhoop, or Bhoopali, is a raga (melodic framework) using Sa, Re, Ga, Pa and Dha; Mohanam shares its notes, but uses Carnatic phrasing and ornaments. An evening raga with a calm, devotional mood, Bhoop is often taught early; hear its character through Ga Re Sa and Dha Pa Ga.
Questions people ask
Is the BeatRootRaga audio joiner free, and are my files uploaded?
Free, no account, and nothing is uploaded. The files are decoded, joined and encoded inside your browser.
How many files can the audio joiner merge at once?
There is no fixed limit. The whole result is held in memory while it is built, so a phone manages an album's worth of songs and a laptop manages hours of audio.
Can the audio joiner merge an MP3 with a WAV or an M4A?
Yes. Any mix of MP3, WAV, AIFF, FLAC, OGG, M4A and MP4 audio. Sample rates and channel counts are matched automatically.
Does joining MP3 files lose quality?
The files are decoded and the result is encoded again, so an MP3 source goes through one more MP3 pass. At 192 kbps or more the difference is not audible for most listeners; save as WAV to avoid it entirely.
Can I put a crossfade between the files?
Yes, up to 10 seconds. The end of each file fades out while the next fades in. For separate songs, a short gap of silence usually sounds more natural than a crossfade.








