相关软件
Free M4a to MP3 Converter
免费 M4a tomp3 转换器 - 在线将 MP3 转换为音频
Free Audio Converter
Free Audio Converter from DVDVideoSoft allows you to convert audio files to different output formats so that you can play them through various devices and programs. You have the option to convert the files to MP3, M4A, FLAC, ALAC, AMR, WAV, WMA, and more, as well as being able to select the output quality with options including: Original, LAME Insane, LAME Extreme, LAME Standard, High Quality, and Old Standard. Thanks to the Batch conversion feature, you can convert as many files as you want - as long as you are converting them to the same output. Once you have selected all the files you want to convert, simply click Convert and Free Audio Converter will do all the hard work for you. You can play around with the settings too because each format has a profile kit and a preset editor, giving you more control over your conversions. Overall this handy tool is simple, yet it works quickly and efficiently. Best of all - it's completely free, so give it a try! Please note: DVDVideoSoft's products are freeware. In order to maintain product development and provide you with high-quality software, DVDVideoSoft may bundle links to other websites and third-party apps installations including toolbars in its products. Every time DVDVideoSoft products are installed, you have an obvious option to accept or opt-out of such installations.
Freac
If you are in the market for a free, Open Source audio conversion app, and you don’t mind a working with a simple interface, then you can’t go far wrong with Freac. Beneath the standard, bare bones window lies powerful open source conversion encoders that are able to rapidly convert your audio files to a good selection of formats. Not only can Freac convert an array of audio files, but it can also rip audio CDs as well. The app can access the online CDDB database to automatically populate the metadata attached to your media files, so they can be organized correctly in your media library. This is really useful as it saves a stack of time in manually adding the data yourself. Freac also comes with a couple of neat tools and configurable features, such as a built-in media player, with standard functionality; play, pause, stop, and skip next or skip previous. When saving content, you can choose a default saving directory, select the encoder you need, apply some audio filters, such as High-pass or Low-pass, create various playlists and cue sheets, install plugins, and you can edit ID3 tags as well. You can even batch process files, if you need to. Overall, Freac supports a wide array of formats, including .MP3, .Bonk, .WMA, .MP4/M4A, .AAC, .Ogg .Vorbis, .FLAC, and .WAV. It has a good selection of configurable options, and it is available in over 36 languages.
Free Easy M4A to MP3 Converter
免费易用的M4A到MP3转换器评价
dBpowerAMP Music Converter
Audio conversion perfected, effortlessly convert between formats. dBpoweramp Music Converterâ„¢ has become 'the standard' tool for audio conversions, over 20 million users worldwide rely on dBpoweramp: Convert audio files with elegant simplicity. mp3, mp4, m4a (iTunes / iPod), Windows Media Audio (WMA), Ogg Vorbis, AAC, Monkeys Audio, FLAC, Apple Lossless (ALAC) to name a few! Multi CPU Encoding Support, Rip digitally record audio CDs (with CD Ripper), Batch Convert large numbers of files with 1 click, Windows Integration popup info tips, audio properties, columns, edit ID-Tags, DSP Effects such as Volume Normalize, or Graphic EQ [Power Pack Option], Command Line Encoding: invoke the encoder from the command line Please note that there is an option to install an mp3 encoder with this application. This encoder is not free but has a 30-day trial period. This download reverts to dBpoweramp Free after 21 days.
Free Video to MP3 WMA Converter
高效视频转音频工具

RealZeal Audio Converter
RealZeal Audio Converter is a lightweight and resource efficient audio solution. Created with usability in mind, RealZeal Audio Converter can be easily operated by people of all computer experience. Features include: Lightweight Easy to use Convert audio to all popular formats Extract audio from CDs RealZeal Audio Converter is a popular choice when it comes to audio conversion as it has the capability to easily convert audio to all popular formats such as; MP3, M4A, AAC, AC3, OGG, WMA, WAV and many more. Download the free demo above to see how useful it is and how easy it is to use.

Aiseesoft Free FLV Converter
Use Aiseesoft Free FLV Converter to quickly and easily convert FLV, F4V or SWF video files to MP4, MOV, AVI, WMV, MP3 and other popular formats compatible with popular portable iOS and Android devices. This fast, versatile converter offers a host of great features, pre-sets and customizable functions. Key features include: Fast: With its fabulous acceleration technology, the program can convert FLV with fast speed. Convenient: Use the snapshot feature at any moment to preview the imported FLV videos. Batch conversion: Convert two or more FLV, F4V, SWF videos to other files simultaneously and effectively. Customizable: customize the resolution, bitrate, frame rate, encoder, audio channels, sample rate and more! Convert 2D video to 3D: You can convert FLV, SWF and F4V video files to 3D videos which can be played on your computer, 3D TV, and other compatible display devices. It provides you with a range of 3D modes – Anaglyph 3D (red/cyan; green/magenta; amber/blue), Side by Side 3D, and Top and Bottom 3D. Extract audio: Aiseesoft Free FLV Converter enables you to extract FLAC from the imported FLV, F4V, SWF video. With the brilliant FLV to MP3 converter, you can easily convert FLV, F4V or SWF to MP3, M4A, WMA, WAV, AC3, AAC without any audio loss.

Free Video To Audio Converter
智能视频到音频转换器

Google Chrome
Google的顶级免费浏览器
Hotspot Shield
Hotspot Shield是一种通用的Internet安全和隐私解决方案。除了保护您免受危险的在线威胁之外,它还可以保护您的隐私并允许您访问任何被阻止的网站和内容。 Hotspot Shield在您的设备与其Internet网关之间创建一个虚拟专用网络(VPN)。这种无法穿透的隧道可防止窥探者,黑客和ISP监视您的Web浏览活动,即时消息,下载,信用卡信息或您通过网络发送的任何其他内容。 特征: 取消阻止任何网站–在学校或单位不能访问YouTube或Facebook?通过使用Hotspot Shield VPN软件,您可以从任何地方取消阻止YouTube,取消阻止Facebook或取消阻止任何站点。 保护您的IP地址– VPN软件可保护您的IP地址,以便您享受私人浏览并防止黑客和垃圾邮件发送者监视您的在线活动。 匿名浏览Web –通过在计算机和Hotspot Shield服务器之间创建加密隧道,Hotspot Shield使您可以匿名浏览Web,而不会被跟踪或监视。 借助Hotspot Shield WiFi安全功能,保护自己不受WiFi热点,酒店,机场和公司办公室的窥探者和黑客的攻击。 保护您的Web会话–使用HTTPS加密保护您的数据,在线购物和在线个人信息的安全。 保护您的设备免受恶意软件攻击–最新版本的Hotspot Shield现在提供了完整的恶意软件防护!
3uTools
3uTools是一款基于Windows的多功能应用程序,旨在与任何iOS设备一起使用。 3uTools声称它是当前可用的最高效的iOS文件和数据管理工具。我们无法评论该声明的准确性,但确实可以轻松管理您的应用程序,照片,音乐,铃声和其他多媒体文件。 您还可以查看iOS设备的不同状态,包括越狱,激活,电池和iCloud锁定状态。 3uTools,还为您提供详细的iOS和iDevice信息。 3uTools为iOS设备的用户提供了一系列不同的功能,例如图标管理,垃圾清理器,数据迁移,数据备份,铃声制作程序,视频转换器和无效的图标删除功能。 3uTools还具有方便的功能,可以自动匹配适用于您的iOS设备的固件,并在正常模式,DFU和恢复模式下支持iOS闪存。 3uTools还拥有一个在线商店,您可以在其中找到各种应用程序,例如铃声和壁纸,供您免费下载和安装。 一键越狱可使大多数潜在下载者感兴趣,这也使越狱过程变得简单而容易。但是它还具有一些更高级的功能,包括SHSH备份,基带升级/降级等。 主要特征: 网上商城。 适用于所有iOS设备。 视频转换器。 铃声制造商。 很好的支持。 适用于越狱。 垃圾清洁器。