音频格式转换
解码后重新编码为 WAV，可改采样率。
关于「音频格式转换」
它属于「格式转换」分类：批量图片格式互转，解码与编码都在浏览器完成。
完全免费、无需注册；所有处理都在浏览器本地完成，文件不会上传到任何服务器。
相关关键词：音频格式转换、格式转换、音频、wav、采样率、在线工具、免费
如何使用「音频格式转换」
- 打开工具：打开「音频格式转换」页面，无需注册、无需安装任何软件。
- 准备输入：准备好要处理的内容或文件：文本可直接粘贴，文件可拖入页面（本工具属于「格式转换」）。
- 填入内容：把内容粘贴进输入框，或把文件拖入页面；也可以点击「示例」先填入样例数据试一下。
- 设置选项并处理：按需调整页面上的选项，然后点击处理 / 转换 / 生成按钮。
- 获取结果：处理完全在浏览器本地完成，结果可直接复制或下载，文件不会上传到任何服务器。
常见问题
- 为什么只能导出 WAV？
- 浏览器原生不提供 MP3/AAC 编码，WAV 是通用且无损的折中方案。
- 采样率怎么选？
- 音乐用 44100/48000；语音通话 8000~16000 即可。
Audio Converter (English)
Decode and re-encode to WAV, change sample rate.
Belongs to “Converters”: Batch image format conversion, decoding and encoding in the browser.
Free, no sign-up; everything runs locally in your browser and files are never uploaded.
Keywords: Audio Converter, Converters, audio, wav, sample rate, online tool, free
How to use it
- Open the tool：Open the “Audio Converter” page — no sign-up and nothing to install.
- Prepare the input：Prepare the content or file to process: paste text or drop a file onto the page (this tool belongs to “Converters”).
- Provide the input：Paste your content into the input box or drop a file onto the page; you can also click “Sample” to try example data first.
- Adjust options and run：Adjust the options if needed, then click the process / convert / generate button.
- Get the result：Everything runs locally in your browser; copy or download the result — your files are never uploaded.
FAQ
- Why only WAV export?
- Browsers have no native MP3/AAC encoder; WAV is a universal, lossless compromise.
- How to choose sample rate?
- Music: 44100/48000; voice calls: 8000–16000 is enough.
More tools in Converters
- Batch to JPG — Convert multiple images to JPG and pack them.
- Batch to PNG — Convert to lossless PNG, keep transparency.
- Batch to WebP — Convert to smaller WebP files.
- Batch to BMP — Export uncompressed BMP bitmaps.
- Batch to GIF — Convert static images to single-frame GIF.
- Batch to AVIF — Convert to high-compression AVIF (browser-dependent).
- HEIC Converter — Convert iPhone HEIC photos to JPG/PNG.
- SVG to PNG — Rasterize SVG to PNG at a given scale.
- Image to Base64 — Generate DataURL, CSS and img-tag code.
- Extract Audio from Video — Separate the audio track from a video and export WAV.