How to converting videos?

I have got many videos on my my mobile which re mp4 vidz, So they dont run on my computer.
Can anyone tell me a pogram or any software by which i can convert all my videos from mp4 into any format tht will run on my computer.

what i using is other video converter — ifunia video converter pro.
this video converter is really outstanding,expecially convert with fast conversion rate and highly quality output. of cource nice interface.

Mobile Vidz with bro.

Black / Chrome Silver 3.5mm In-Ear Stereo Headsetwith mic for Samsung GT-i8700 Omnia 7, HTC Touch HD $1.90 Compatible with:LG: AX585 Rhythm/C900 Quantum/GT550 Encore/GW370 Neon II/KM900 Arena/LN510 Rumor Touch/LS670 Optimus S/MS690 Optimus M/P509 Optimus T/US670 Optimus U/VN270 Cosmos Touch/VS660 Vortex/VS740 Ally/VS750 Fathom/VX8560 Chocolate 3/VX9700 Dare.Microsoft: Zune 1st Gen. 30GB,Zune 2nd Gen. 120GB/16GB/4GB/8GB/80GB,Motorola: A555 Devour/A957 Droid Pro/Bravo/Cliq XT/Zeppelin/Defy MB525/Droid X/…

Black / Chrome Silver 3.5mm In-Ear Stereo Headset w/ On-off&mic for Samsung Infuse 4G $1.90 Compatible with:LG: AX585 Rhythm/C900 Quantum/GT550 Encore/GW370 Neon II/KM900 Arena/LN510 Rumor Touch/LS670 Optimus S/MS690 Optimus M/P509 Optimus T/US670 Optimus U/VN270 Cosmos Touch/VS660 Vortex/VS750 Fathom/VX8560 Chocolate 3/VX9700 Dare.Microsoft: Zune 1st Gen. 30GB,Zune 2nd Gen. 120GB/16GB/4GB/8GB/80GB,Motorola: A555 Devour/A957 Droid Pro/Bravo/Cliq XT/Zeppelin/MB525/Droid X/MB810/Flipout/Mi…

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DURAGADGET Pure HQ OFC 3.5mm Stereo Jack to 2 RCA Phono Plugs Cable Gold 2m for Creative V100 V200 Vidz $9.99 3.5mm Jack (headphone jack) to two phonos (RCA) plugs This is a top quality cable with thick Digital Fully Shielded High Definition OFC (Oxygen Free Copper) cable suitable for home cinema and digital stereo hi-fi systems, using high quality gold plated ends. Usually used to connect a computer/personal stereo/ipod to a hi-fi or other speaker system with RCA Phono connections. The jack is a stereo c…

Retractable USB Hot Sync Compact Kit with Car & Wall Charger for the Creative MuVo Vidz – Gomadic Brand w/ TipExchange Technology $39.95 Dont miss a beat with our Compact Power Bundle Kit. Adaptable for any conditions a nomad might face; the Compact Power Bundle Kit allows you to charge your mobile device in half the time with our rapid wall charger and rapid car charger along with synchronizing your device using the include USB cable. Compatible with our branded TipExchange Technology (tips are included) that enables utility with …

Road Warrior Kit for the Creative MuVo Vidz includes a Car & Wall Charger AND USB cable AND Battery Extender – Gomadic Brand w/ TipExchange Technology $59.95 Dont miss a beat with our Road Warrior Power Bundle. Adaptable for any conditions a nomad might face; the Road Warrior Bundle allows you to charge your mobile device in the car; through your computer; in half the time with our rapid wall charger; or even with four AA batteries. Compatible with our branded TipExchange Technology (tips are included) that enables utility with hundreds of mobile devic…

ATC Car FM Transmitter Charger for iPod touch? 4G 4th Gen GB $4.61 Compatible With Apple: 16/32/64GB,iPhone 1st Gen. 4/8/16GB,3G 8/16GB,3GS 16/32GB,iPod 1st Gen. 5/10GB,2nd Gen. 20GB,3rd Gen. 10/15/20/30/40GB,4th Gen. 30GB(Photo)/40GBPhoto)/60GB( Photo)/20GB(Color Display)/60GB(Color Display)/U2 Special Edition,iPod Classic 160/80/120GB,iPod Mini 4/6GB,iPod Nano 1st Gen. 1/2/4GB,2nd Gen. 2/4/8GB,3rd Gen. 4/8GB,4th Gen. 8/16GB,5th Gen. 8/16GB,iPod Shuffle 1st Gen….

INSTEN All-in-1 Black FM Transmitter w/ 3.5mm Audio Cable Compatible With Apple? iPhone? 4 / 4S $9.07 Compatible With Apple?: iPad? 16GB / 32GB / 64GB ; iPad? 2 16GB / 32GB / 64GB ; iPhone? 1st Gen. 4GB / 8GB / 16GB ; iPhone? 3G 8GB / 16GB ; iPhone? 3GS 16GB / 32GB ; iPhone? 4 – AT&T 16GB / 32GB ; iPhone? 4 – Verizon 16GB / 32GB ; iPhone? 4S – AT&T 16GB / 32GB / 64GB ; iPhone? 4S – Sprint 16GB / 32GB / 64GB ; iPhone? 4S – Verizon 16GB / 32GB / 64GB ; iPod? 1st Gen. 5GB / 10GB ; iPod? 2nd Gen. 20GB…