Hemos descubierto un sitio web de mucha utilidad. Se llama Media-Convert y permite convertir distintos formatos de ficheros de audio, vídeo, presentación, documento, hoja de balance, etc. ¡Y todo de forma gratuita!

Media-Convert puede convertir muchos archivos.

Documentos: 

• Texto, HTML, XHTML, Microsoft Word, RTF, PDF, PS, Open Office, Star Writer, Pocket Word, Word Perfect
• CSV, dBase, Microsoft Excel, Pocket Excel, Lotus 123, Quattro Pro, Star Calc, Open Office spreadsheet
• MathML, Star Math, Open Office math
• Microsoft Powerpoint, Star Impress, Open Office presentation

Archivos:

• 7Z BZ2 BZA CAB GZ LHA LZH RAR TAR TGZ YZ1 ZIP

Vídeo:

•  AVS BMP CIN DCX DIB DPX FITS GIF ICO JFIF JIF JPE JPEG JPG MIFF OTB P7 PALM PAM PBM
  PCD PCDS PCL PCX PGM PICT PNG PNM PPM PSD RAS SGI SUN TGA TIF TIFF WMF XBM XPM YUV
•  CGM DXF EMF EPS MET MVG ODG OTG STD SVG SXD WMF

Audio:

• WAV -> MP3, OGG, AAC, AMR, FLAC, MPC, MMF, AU, AIFF, QCP.
• MP3 -> WAV, OGG, AAC, AMR, FLAC, MPC, MMF, AU, AIFF, QCP.
• WMA -> WAV, OGG, AAC, AMR, FLAC, MP3, MPC, MMF, AU, AIFF, QCP.
• OGG -> WAV, MP3, AAC, AMR, FLAC, MPC, MMF, AU, AIFF, QCP.
• AAC -> WAV, MP3, OGG, AMR, FLAC, MPC, MMF, AU, AIFF, QCP.
• MP4 (AAC) -> WAV, MP3, OGG, AMR, FLAC, MPC, MMF, AU, AIFF, QCP.
• FLAC -> WAV, MP3, OGG, AMR, AAC, MPC, MMF, AU, AIFF, QCP.
• VQF (Yamaha TwinVQ) -> WAV, MP3, OGG, AMR, AAC, FLAC, MMF, AU, AIFF, QCP.
• MPC (Musepack) -> WAV, MP3, OGG, AMR, AAC, FLAC, MMF, AU, AIFF, QCP.
• REAL AUDIO -> WAV, MP3, OGG, AMR, AAC, FLAC, MPC, MMF, AU, AIFF, QCP.
• AMR -> WAV, MP3, OGG, AAC, FLAC, MPC, MMF, AU, AIFF, QCP.
• MMF (pcm) -> WAV, MP3, OGG, AAC, FLAC, MPC, AMR, AU, AIFF, QCP.
• AU -> WAV, MP3, OGG, AAC, FLAC, MPC, AMR, MMF, AIFF, QCP.
• AIFF -> WAV, MP3, OGG, AAC, FLAC, MPC, AMR, AU, MMF, QCP.
• QCP -> WAV, MP3, OGG, AAC, FLAC, MPC, AMR, AU, AIFF, MMF.
• 3GP -> WAV, MP3, OGG, AAC, FLAC, MPC, AMR, AU, AIFF, MMF. 

Teléfono:

• MIDI, MIDI-0, SP-MIDI, CMX, MMF, MOTOROLA, SAGEM, EMELODY, IMELODY, EMS, RTTTL/RTX, NOKIA, NOKIA-TXT.