Audio Processing Tools - Free Online Batch Audio Software

Free online tools for editing and batch processing audio files.

Batch processing Efficient execution Stable workflow Multiple use cases

Batch ready

26 Tools

24 Batch tools

65% Run in browser

12 Popular

VIP Batch Browser Desktop version

Batch Audio Volume Adjustment Tool

Increase, decrease, and normalize audio volume online. Supports fixed dB adjustments and LUFS loudness normalization, with batch processing for multiple audio files.

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Batch Desktop version

Batch Audio Noise Reduction Tool

Batch remove background noise, electrical hum, and wind noise from audio, with support for dereverberation, echo removal, and vocal enhancement.

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Batch Desktop version

Audio Fingerprint Duplicate Checker

Using voiceprint fingerprint comparison, automatically find duplicate and similar audio in massive audio collections. Supports cross-format and cross-bitrate recognition, with one-click organization and deduplication.

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Batch Desktop version

Audio Quality Inspection Report Tool

Batch-check audio sample rate, clipping, pops, silence, loudness, signal-to-noise ratio, and more, and generate Excel/CSV quality inspection reports with one click.

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Batch Desktop version

Batch Video and Audio Voice Changer Software

Batch voice changing for video and audio files, with multiple built-in voice presets, support for custom pitch shifting and reverb, and batch folder processing.

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Batch Desktop version

Batch Audio Vocal Separation Tool

Batch separate vocals and accompaniment from music, with support for recording noise reduction, echo and reverb removal, vocal extraction, and local offline processing.

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Batch Browser

Morse Code Audio Player

Convert text to Morse code with adjustable speed, tone, waveform, live playback, WAV download, and batch ZIP export.

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Batch Desktop version

Automatic Audio Gap Trimming Tool

Automatically detect and remove silence segments and breath gaps in audio, with batch processing support for multiple audio formats

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Batch Browser

Audio Cutter Tool

A visual audio trimming tool that supports cutting, speed adjustment, volume adjustment, fade in/out, and single-file or batch processing.

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Batch Browser Desktop version

Audio Sample Rate Converter

Supports batch audio sample rate conversion, allowing you to adjust the sample rate of MP3, WAV, AAC, and other audio formats to improve sound quality.

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Batch Browser

Audio Bitrate Adjustment Tool

Efficiently adjust the bitrate of audio files, with batch compression and optimization for formats such as MP3, WAV, and AAC, and customizable bitrate and sample rate parameters.

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Batch Browser

Audio Echo Effect Tool

Add professional echo effects to audio, with adjustable parameters such as intensity, delay, and decay, and support for batch processing multiple audio formats.

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Batch Browser

Audio Fade Curve Editing Tool

Add professional fade-in and fade-out effects to audio, with support for four curve types, real-time preview, and batch processing.

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Batch

Audio Silence Removal Tool

Intelligently detect and remove silent segments from audio, making podcasts, speeches, and music more concise and professional, with support for batch processing in multiple formats.

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Batch Browser

Online Audio Distortion Effect Tool

Professional audio distortion processing, supporting four distortion types: soft clipping, hard clipping, overdrive, and fuzz, with adjustable distortion level, tone, and dry/wet mix ratio.

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Batch

Online Audio Flanger Effect Tool

Add a professional flanger effect to audio, with parameter adjustment and batch processing to create a unique sound experience.

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Batch Browser

Online Audio Compression Ratio Adjustment Tool

An audio file compressor that supports multiple compression modes, with adjustable parameters such as bitrate, sample rate, and number of channels to effectively reduce file size

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Batch Browser

Online Audio Pitch Shifter

Supports precise audio pitch adjustment, raising or lowering the pitch without changing playback speed. Ideal for music production, karaoke, and instrument tuning.

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Batch

Audio Left and Right Channel Balance Adjustment Tool

Adjust the left and right audio channel balance online, with support for channel swapping and independent volume control, ideal for audio repair and stereo optimization.

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Batch Browser Desktop version

Audio Format Converter

Supports conversion between formats such as MP3, WAV, FLAC, AAC, and OGG, with batch processing and custom audio quality settings.

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Browser

Text-to-Speech Synthesis Tool

Intelligent text-to-speech synthesis with support for multiple voice roles, emotion adjustment, and background music to generate high-quality audio files with one click.

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Browser

Audio Merger Tool

Merge multiple audio files into one file, with support for crossfading and fade-in/fade-out effects, and multiple formats such as MP3 and WAV.

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Batch Browser Desktop version

Batch Audio Intro and Outro Remover

Batch remove a specified duration from the beginning and end of audio files, with support for automatic silence detection

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Batch Browser Desktop version

Audio and Video Duration Filter Tool

Batch analyze the duration information of audio and video files, support filtering by duration range, export analysis results, and download filtered files

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Batch Browser Desktop version

Audio Background Music Adding Tool

Batch add background music to audio files, with fixed or random background music modes and adjustable volume ratio.

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Batch Browser Desktop version

Batch Audio Speed Changer

Batch adjust the playback speed of audio files, supporting 0.5–5x speed changes. Speed up or slow down MP3, WAV, and other formats.

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