Program is easy to use, offers many things for both amateur and professional use, can save and import many formats and most important it’s free.

Here are some of the features listed on home page of the NCH Software who are creator of the WavePad:

Features

• Sound editing functions include cut, copy, paste, delete, insert, silence, autotrim and more.
• Audio effects include, amplify, normalize, equaliser, envelope, reverb, echo, reverse, sample rate conversion and more.
• Full featured Mp3 editing software
• Supports a number of other file formats including wav (multiple codecs) vox, gsm, real audio, au, aif, flac, ogg and many more.
• Batch processing supports up to 32000 files allowing you to apply effects and/or convert your files as a single function.
• Tools include spectral analysis (FFT) and speech synthesis (text-to-speech).
• Recorder supports autotrim and voice activated recording and more.
• Audio restoration features including noise reduction and click pop removal.
• Supports sample rates from 6000 to 96000Hz, stereo or mono, 8, 16, 24 or 32 bits.
• Includes its own CD ripper with ‘ultrafast ‘rip mode and cddb music database lookup.
• Works directly with MixPad multi-track audio mixing software.
• Links directly to the Express Burn CD Recorder to burn your sound files to CD.
• Edit tracks for the Zulu DJ software.
• Easy to use interface will get you started editing in just minutes.

Typical Editing Applications

• Software audio editing for studios and professional journalists.
• Edit sound files to broadcast over the internet with the BroadWave Streaming Audio Server
• Normalizing the level of audio files during mastering before buring to CD.
• Editing mp3 files for your iPod, PSP or other portable device.
• As a music editor (includes ringtones creator formats).
• Music editing and recording to produce mp3 files.
• Voice editing for multimedia productions.
• Restoration of audio files including removing excess noise such as hiss and hums.

You can download program from NCH site.

WavePad Sound Editor