Ferramentas de áudio

Grave áudio de alta qualidade pelo microfone ou extraia o áudio de vídeos MP4 e WebM offline. Utilitário 100% seguro e baseado no navegador.

Corte clipes de áudio e converta entre os formatos MP3 e WAV no navegador - Cortador de áudio online grátis

Leia e escreva tags ID3, capas, artista e detalhes de faixas diretamente nos cabeçalhos de arquivos MP3 - Editor de tags ID3 online grátis

Veja todas as tags ID3 - título, artista, álbum, capa, BPM e cada quadro embutido - de qualquer arquivo MP3 instantaneamente no navegador - Visualizador de metadados MP3 online grátis

Gere belas formas de onda vetoriais (SVG) ou em imagem (PNG) a partir dos seus arquivos de áudio - Gerador de forma de onda online grátis

Normalize a sonoridade do áudio para um nível LUFS alvo no navegador e baixe o resultado em WAV - suporta os padrões Spotify, YouTube, EBU R128 e podcasts. Normalizador de áudio online grátis.

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.