Free Audio & Video Tools
Audio boosters, cutters, converters, and reference tools. Everything runs in your browser — no uploads, no signups, files stay on your device.
Audio tools
MP3 Volume Booster
Boost MP3 volume up to +24 dB with built-in limiter to prevent distortion.
Audio Trimmer / MP3 Cutter
Cut and trim audio files. Make ringtones, podcast clips, song highlights.
Bass Booster
Boost low frequencies with adjustable cutoff. Hip-hop, EDM, podcast warmth.
Audio Reverser
Reverse any audio file instantly. Music production, sound design, Easter eggs.
Audio Compressor
Dynamic range compression with adjustable threshold, ratio, attack, release.
Audio Joiner / Merger
Combine multiple audio files into one. Reorder, mix formats, export.
Audio Fade In / Out
Add smooth fade-in and fade-out envelopes for podcasts, music, ringtones.
Audio Speed Changer
Change playback speed from 0.25× to 4×. Speed-listen podcasts or slow down music.
Mono / Stereo Converter
Convert between mono and stereo channels. Shrink files or duplicate for upload.
Volume Normalizer
Normalize audio to target peak dB. Match loudness across files.
Pitch Shifter
Shift pitch by semitones. Vinyl-style speed/pitch coupling.
High-Pass Filter
Remove low-frequency rumble, hum, and mud.
Low-Pass Filter
Remove harsh highs, hiss, and sibilance.
Treble Booster
Boost high frequencies for clearer audio.
Phase Inverter
Invert phase for null tests or polarity fixes.
Add Silence
Prepend or append silence buffer.
Tone Generator
Generate sine, square, triangle, sawtooth tones at any frequency.
BPM Detector
Analyze any song to find its tempo. ±2 BPM accuracy.
Volume boosters per platform
Same browser tool, tuned with recommended boost levels for each platform's loudness norm.
▶️ YouTube Booster
+6 dB recommended
🎵 TikTok Booster
+9 dB recommended
📷 Instagram Booster
+9 dB recommended
💬 WhatsApp Booster
+12 dB recommended
📹 Zoom Booster
+9 dB recommended
✈️ Telegram Booster
+9 dB recommended
🎙️ podcasts Booster
+3 dB recommended
📱 Facebook Reels Booster
+9 dB recommended
🎮 Twitch Booster
+6 dB recommended
🎧 Discord Booster
+12 dB recommended
👻 Snapchat Booster
+9 dB recommended
🎙️ Voice Memos Booster
+12 dB recommended
🎥 OBS Booster
+6 dB recommended
𝕏 X / Twitter Booster
+9 dB recommended
Audio format converters
Convert between MP3, WAV, M4A, AAC, OGG, and FLAC. All conversions happen in your browser.
🔄 MP3 → WAV
🔄 WAV → MP3
🔄 M4A → MP3
🔄 AAC → MP3
🔄 OGG → MP3
🔄 FLAC → MP3
🔄 M4A → WAV
🔄 AAC → WAV
🔄 OGG → WAV
🔄 FLAC → WAV
Calculators & references
Decibel (dB) Calculator
Convert dB, voltage ratios, power ratios, and volume percentages.
Audio File Size Calculator
Estimate audio file size from duration, bitrate, sample rate.
Video File Size Calculator
Estimate video file size from codec, resolution, bitrate.
LUFS Loudness Standards
Loudness targets for 30+ platforms: YouTube, Spotify, TikTok, podcasts.