Outils audio

Enregistrez un audio de haute qualité depuis votre micro ou extrayez l’audio de vidéos MP4 et WebM hors ligne. Utilité 100 % sécurisée, basée navigateur.

Raccourcissez des clips audio et convertissez entre les formats MP3 et WAV côté client - Coupeur audio en ligne gratuit

Lisez et écrivez tags ID3, pochettes, artiste et détails de piste directement dans les en-têtes de fichiers MP3 - Éditeur de tags ID3 en ligne gratuit

Affichez tous les tags ID3 - titre, artiste, album, pochette, BPM et chaque trame incorporée - de n’importe quel fichier MP3 instantanément dans votre navigateur - Visionneuse de métadonnées MP3 en ligne gratuite

Générez de superbes formes d’onde vectorielles (SVG) ou images (PNG) à partir de vos fichiers audio - Générateur de formes d’onde en ligne gratuit

Normalisez la loudness audio à un niveau LUFS cible côté client et téléchargez le résultat en WAV - prend en charge les normes Spotify, YouTube, EBU R128 et podcast. Normaliseur audio en ligne gratuit.

Compress OGG Vorbis audio by adjusting quality level (q-1 to q10) - shows size vs quality trade-off. Upload any audio format and download compressed OGG instantly. Free online OGG compressor.

Compress audio assets to web-optimized sizes and download an MP3 + OGG pair for maximum browser compatibility - includes ready-to-use HTML5 audio snippet. Free online audio web compressor.

Convert stereo audio to mono and compress - immediately halves audio data size with minimal perceptual loss for voice. Four mix modes, sample rate control. Free online stereo to mono compressor.

Compress WAV audio by reducing bit depth (24→16→8 bit) and sample rate - shows exact size savings. Free online WAV compressor, no signup required.

Detect beats per minute by tapping along to music or uploading an audio file for automatic analysis - built-in metronome included. Free online BPM detector.

Play an audio file and visualize its real-time frequency spectrum with a live EQ display - bars, line, and filled modes - Free online audio equalizer visualizer

Remove background hiss, hum, and ambient noise from voice recordings using spectral subtraction - 100% browser-based, no uploads. Free online audio noise reducer.

Generate a valid iTunes/Apple Podcasts compatible RSS 2.0 feed XML from episode metadata - no server required. Free online podcast RSS feed generator.

Re-encode MP3 files at a lower bitrate (320/256/192/128/96/64 kbps) using LameJS - shows size and quality tradeoff. Accepts MP3, WAV, M4A, OGG. Free online MP3 compressor.

Compress podcast episodes to streaming-optimized mono MP3 - converts stereo to mono, applies 80 Hz high-pass filter, 4 bitrate presets (48-128 kbps). Reduces RSS feed hosting costs. Free online podcast audio compressor.

Reduce audio sample rate from 48 kHz → 44.1 kHz → 22 kHz → 11 kHz - shows file size reduction at each step. WAV (lossless) and MP3 output. OfflineAudioContext resampling. Free online audio sample rate reducer.

Compress M4A audio by reducing sample rate and bit depth - ideal for Apple Voice Memos. Shows exact size savings. Free online M4A compressor, no signup required.

Compress AAC audio files by reducing bitrate - shows quality comparison with original at the selected rate. Free online AAC compressor, no signup required.

Reduce any audio file's bitrate to hit a target file size - shows quality impact at every bitrate and recommends a safe floor. Free online audio bitrate reducer.

Automatically reduce any audio file to under 10 MB by iterating bitrate - shows the full iteration log and selects the highest quality that fits. Free online audio compressor.

Compress FLAC files using maximum lossless compression levels (0-8) - shows size reduction vs default encoding. Free online FLAC compressor, no signup required.

Compress voice memo recordings for speech intelligibility - applies high-pass filter, loudness normalisation, and mono conversion before compressing. Free online voice recording compressor.

Automatically reduce any audio file to under 1 MB by iterating sample rate - shows estimated audio duration preserved. Free online audio compressor to 1MB.

Automatically reduce any audio file to under 5 MB - common WhatsApp voice message and podcast preview size limit. Shows compression steps and duration preserved. Free online audio compressor to 5MB.

Reduce audio file size to under 25 MB for email attachment limits - selects format and bitrate automatically. Free online audio for email compressor, no signup required.

Compress audio to OPUS format - the most efficient lossy audio codec, typically 30% smaller than MP3 at the same quality. 8 bitrate presets from 6-128 kbps. Free online OPUS compressor.

Compare MP3, OGG, AAC, and OPUS compression for the same audio file - shows size and estimated quality score at each format. Free online audio compression comparison tool.

Compress multiple audio files at once with a shared bitrate setting - shows per-file savings and total reduction. Free online batch audio compressor, no signup required.