Audio Tools

Process, edit, and analyze audio files directly in your web browser. Transpose musical keys, convert sample rates between 44.1kHz and 96kHz, generate relaxing ambient noise, and compute audio file bit depths.

⚡ 100% Free 🔒 Client-Side & Private ⚡ No Sign-up Needed 📊 42 Tools Available
Showing 24 of 42 tools
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Add Background Music to Audio Online

Add background music to podcasts, voiceovers, and voice notes online. Dynamic sidechain ducking, volume balance, loop music tiling, and lossless WAV export client-side.

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Add Echo to Audio Online

Add studio echo and delay effects to audio files online. Customize delay time, feedback, stereo ping-pong, high-frequency damping, and export lossless WAV client-side.

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Add Music to Photo Online

Add audio music tracks to photo images online. Create Instagram Stories, TikTok reels, and YouTube Shorts clips with animated waveform overlays and WebM.

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Add Reverb to Audio Online

Add studio reverb, room reflections, and ambient hall decay to audio online. Free Schroeder algorithmic reverb with decay time, damping, wet/dry mix.

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Audio Bit Depth Converter

Convert audio bit depth between 16-bit, 24-bit, and 32-bit float PCM online with TPDF dithering to eliminate quantization distortion. Download WAV.

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Audio Bitrate Calculator

Calculate uncompressed PCM data rates, streaming bandwidth, lossy compression bitrates (MP3, AAC, Opus, FLAC), and buffer storage accurately.

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Audio Converter

Convert audio files between MP3, WAV, OGG, and WebM format directly in your browser. Fast, lossless, and completely client-side with Audio Converter.

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Audio Cutter

Cut, trim, and split MP3 and audio files online directly in your browser. Visual waveform editor with fade-in and fade-out effects using Audio Cutter.

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Audio Fade In & Fade Out Tool

Apply studio fade in and fade out volume envelopes to audio tracks online. Select linear, logarithmic, or S-curve transitions and download WAV files.

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Audio File Size Calculator

Estimate audio file sizes for podcasts, music mastering, and studio multitrack recording sessions across uncompressed and compressed formats.

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Audio Key Detector

Detect the musical key, scale (Major/Minor), Camelot wheel mixing code, and chromagram pitch distribution of any song online in your browser.

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Audio Looper Online

Create seamless audio loops online with equal-power crossfading, zero-crossing boundary snapping, tempo beat matching, and lossless WAV export client-side.

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Audio Merger

Merge and combine multiple audio files and songs into a single continuous track with custom crossfades online free with Audio Merger.

⚡ FREE

Audio Metadata Editor

View and edit audio metadata tags (Title, Artist, Album, Year, Genre, Track #) in MP3 and audio files online directly in your browser.

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Audio Noise Reducer

Remove background noise, microphone hiss, air conditioner hum, and room noise from audio recordings online free with Audio Noise Reducer.

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Audio Pitch Changer

Change audio pitch online without changing tempo. Transpose songs by semitones and cents with Web Audio pitch shifting and WAV download.

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Audio Reverse Tool

Reverse audio files online backwards in your browser. Create reverse cymbal swells, backward speech effects, and download reversed WAV audio.

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Audio Sample Rate Converter

Resample audio sample rates online between 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz using browser sinc interpolation. Fix video audio drift and export WAV.

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Audio Sample Rate, Bit Depth & File Size Calculator

Calculate uncompressed PCM, WAV, AIFF, FLAC, and MP3 audio file size from sample rate, bit depth, channel count, and duration. Analyze Nyquist frequency and dynamic range.

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Audio Silence Remover

Remove dead air, awkward pauses, and silent gaps from podcasts, lectures, and voiceovers client-side. Download trimmed WAV audio instantly.

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Audio Spectrogram Generator

Generate visual audio spectrograms using client-side Fast Fourier Transform (FFT). Analyze frequencies, harmonic overtones, pitch, and export high-res heatmaps.

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Audio Speed Changer

Change audio playback speed online from 0.25x to 4x. Speed up podcasts, slow down music for transcription, and download modified WAV files.

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Audio Volume Normalizer

Normalize audio volume online. Apply peak and RMS loudness matching to audio files without clipping, and download studio-quality normalized WAV files.

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Audio Waveform Generator

Generate customizable audio waveform graphics from MP3, WAV, and audio files. Customize bars, radial curves, colors, and download vector SVG and high-res PNG.

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What You'll Find in Our Audio Tools Tools Collection

Our audio processing tools leverage Web Audio API standards for zero-latency browser sound engineering. Musicians, podcasters, and sound designers can adjust audio pitch without altering playback speed, resample audio tracks, generate pink, brown, and binaural sound beds, and calculate precise transmission bitrates.

How to Use Audio Tools Tools

Complete your task with ease in three quick steps.

Select an Audio Tool

Choose pitch alteration, sample rate conversion, noise generation, or file sizing.

Upload Audio or Set Frequencies

Drop your MP3, WAV, or FLAC audio file or adjust tone synthesizers.

Process and Export

Preview changes in real time and download your remastered audio file.

Frequently Asked Questions About Audio Tools Tools

Yes. The Audio Pitch Changer uses pitch-shifting phase vocoder algorithms to transpose musical semitones while maintaining original tempo and duration.

You can resample between standard professional audio rates including 44.1 kHz (CD quality), 48 kHz (video standard), and 96 kHz (high-resolution audio).

White noise has equal energy per frequency; pink noise has equal energy per octave (deeper, natural sound); brown noise features even deeper low-frequency prominence resembling ocean surf.

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