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Create custom ringtones and alert melodies with dual-handle trimming, dynamic keyframe breakpoint volume fades, loudness boosting, and seamless loop audition.
.m4r or universal Android .mp3 formats with zero server uploads.Crafting mobile ringtones requires tailoring audio files to smartphone operating system constraints:
.m4a renamed to .m4r) encoded in AAC format at $44.1\text{ kHz}$./Ringtones or /Notifications system folders..m4r or .mp3 file.Scenario: Converting a song chorus into an Apple iPhone M4R ringtone file.
Song: pop_track.mp3 | Range: 01:12.000 to 01:40.000 (28s duration) | Preset: iPhone (.m4r)
Exported: pop_track_ringtone.m4r (AAC 256 kbps, Ready for iOS sync and GarageBand import)
Generates a standard 28-second iOS ringtone with clean fading.
Scenario: Extracting a 2-second sound effect for a text message notification sound.
File: game_sound.wav | Range: 00:00.000 to 00:02.500 | Preset: Android (.mp3)
Exported: game_chime.mp3 (320 kbps MP3 alert tone)
Extracts a crisp, loud notification chime for Android phones.
Cut, trim, and split MP3, WAV, AAC, and FLAC audio files in browser with millisecond waveform precision, fade effects, and zero server uploads.
Split long audio files, podcasts, audiobooks, and live DJ sets into equal-duration parts or custom chapter cue points in real time.
Merge and combine multiple audio files (MP3, WAV, AAC, M4A) into a single continuous track with crossfade transitions and reordering.
Extract crystal-clear audio tracks from MP4, WebM, MOV, AVI, and MKV video files in browser memory with zero server uploads.
Compress MP3, WAV, AAC, and FLAC audio files in browser memory. Reduce audio file sizes by up to 80% with custom bitrate and sample rate controls.
Convert audio files between MP3, WAV, AAC, M4A, FLAC, OGG, and WebM formats in browser memory with custom bitrates and batch queue processing.
Speed up or slow down audio recordings from 0.25x to 3.0x with pitch-preservation WSOLA time-stretching or classic tape-varispeed effects.
Transpose musical key and vocal pitch up or down by semitones and cents (-12 to +12 semitones) without altering audio tempo or speed.
Reverse audio recordings, songs, and voice clips backwards in real time to create eerie sound effects, reverse cymbal swells, and backmasking.
Boost audio volume up to 500% (+14 dB) with soft-knee peak limiting to prevent harsh digital clipping and audio distortion in real time.
Normalize audio loudness to industry broadcast standards (-14 LUFS Spotify/YouTube, -16 LUFS Apple Podcasts, -23 LUFS EBU R128) in real time.
Apply smooth Fade-In, Fade-Out, and multi-point keyframe volume automation envelopes to MP3, WAV, and AAC audio in real time.
Create custom smartphone ringtones, text message chimes, and alarm tones from songs with waveform clipping, volume boosting, and M4R/MP3 export.
Record high-fidelity audio from your microphone in browser memory with real-time waveform visualizer, pause/resume, and MP3/WAV export.
Test your microphone online in real time with live frequency spectrum analyzer, input volume VU meter, loopback playback, and device selector.
Test left/right stereo channels, sub-bass response, 20Hz-20kHz frequency sweeps, and phase polarity for speakers and headphones in real time.
Detect song tempo (Beats Per Minute) automatically from audio files or tap along in real time to calculate musical BPM and millisecond delay times.
View, edit, and update MP3 ID3v1 and ID3v2 metadata tags (Song Title, Artist, Album, Year, Genre, Track Number) and embed album artwork in browser memory.