"I have some online videos in FLV format and want to convert these FLV flash videos to MP4 format so that I could edit them in iMovie and sync to my iPod touch. What FLV to MP4 converter should I use and how to convert FLV videos to MP4 on my iMac?" - question from Yahoo Answer.

If you happen to have the same problem or get problems like this and need a solution, you're coming to the right place where you could find a satisfactory solution. This guide would introduce you the most effective solution to convert FLV videos to MP4 format on iMac or Macbook.

Part 1: Convert FLV to MP4 on Mac with Leawo Video Converter for Mac

Download and install Leawo Video Converter for Mac, a professional Mac FLV to MP4 converter that offers easy but powerful solution for Mac users to convert FLV videos to MP4 format within a few clicks. It is easy to use, stable and practical in solving the format incompatibility issues for Mac users. Actually, it acts far more than a merely Mac FLV to MP4 converter, but an all-inclusive Mac video converter that could easily convert vdieo and audios on iMac or Macbook between various formats like MP4, MPEG, WMV, VOB, AVI, FLV, MKV, MPEG, etc. Check the below guide, and you will know how to convert FLV to MP4 on Mac with Leawo's FLV to MP4 Converter for Mac.

   

Guide on how to convert FLV to MP4 on Mac:

Step 1: Import source FLV video files

import-source-flv-video-files

Launch Leawo Video Converter for Mac to enter the main interface. Under the "Convert" module, click the "Add Video" button or directlry drag source FLV video files into this FLV to MP4 converter Mac.

Step 2: Set MP4 as output format

set-mp4-as-output-format

After importing source FLV files, click the drop-down box before the big green "Convert" button and then select "Change" option to enter the Profile window for output format setting. To convert FLV to MP4, you need to open "Format > Common Video" group to select MP4 as output format.

detail-video-and-audio-parameters

Optional: If you're not satisfied with the video and audio parameters of preset output format like video codec, bit rate, aspect ratio, quality, frame rate, audio codec, audio quality, audio bit rate, sample rate and channel, you could reset them. After setting output format, re-open the drop-down box and then select "Edit" option to enter the Profile Settings panel. On the Profile Setting panel, you could freely set the parameters.

Step 3: Set output directory

set-output-directory

When all the format settings are finished, save the settings and return to the main interface. Click the big green "Convert" button on the main interface to set output directory on the popup sidebar. You could open "Save to" box to browse desired folder as output directory.

Step 4: Convert FLV to MP4 on Mac

convert-flv-to-mp4-mac

At last, start converting FLV to MP4 on Mac by clicking the bottom "Convert" button on the sidebar.

Part 2: Convert FLV to MP4 on Mac with HandBrake

Besides, you can also use Mac version of HandBrake to convert FLV to MP4 Mac. HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs. Its Mac version can act as a free FLV to MP4 converter Mac. It is an open source yet free video transcoder. It has multi-platform versions: Windows, Mac and Linux. Check the following guide to convert FLV to MP4 Mac free with HandBrake.

Guide on how to convert FLV to MP4 on Mac with HandBrake:

Step 1: Import source FLV video files

Open HandBrake to enter the main interface, where you need to click "Source" and then select "File" to browse and import source FLV file.

Step 2: Set destination file and output format

After the importing of source FLV file, you will be returned to the main interface of HandBrake, where you need to click "Browse" to specify output directory and choose "MP4" as container under output settings.

Step 3: Start to convert FLV to MP4 Mac

Click "Start" on the sub-menu bar to start converting FLV to MP4 Mac.

convert-flv-to-mp4-mac

Part 3: Leawo Video Converter for Mac vs. HandBrake

Features Leawo Video Converter for Mac HandBrake for Mac
Easy to use
Convert MPEG to MP4
Supported input file formats video and audio file of various kinds such as MPEG, MP4, WMV, MOV, AVI, AAC, MP3, etc. Handbrake can process most common multimedia files and any DVD or BluRay sources that do not contain any kind of copy protection.
Supported output file formats same as input MP4(.M4V) and .MKV
Many preset output devices
Internal video player need extra plug-ins
Add subtitle and audio track
Internal video editor
Add 3D effects to source 2D videos
Windows version

By comparison, we clearly know that if the output format is MP4 or MKV, we can turn to HandBrake to perform video conversion task as HandBrake is totally free, however, if the output format is others, we'd better switch to Leawo Video Converter for Mac.

Extension: Three Free FLV to MP4 Converters for Converting FLV to MP4

Compared to converter program, some may prefer online converter that helps convert FLV to MP4 free online. Belows are top 3 online and free FLV to MP4 converters. Let's take a closer look.

#1: Cloud Convert

cloudconvert

Cloud Converter is one of the best online tools for simple file downloads and conversions. The free-to-use site lets users select files – ranging from FLV and MLV files to 3GP and MPEG4 – from their Google Drive or Dropbox account, or drag them directly into the browser window from their desktop. The entire conversion process takes place “in the cloud,” and output settings – like aspect ratio, codec, bitrate, and resolution – can also be tweaked from the Web app’s sparse interface prior to converting the files. Cloud Convert can email the resulting file. It can also drop the file into your Google Drive or Dropbox account if you prefer. Of course, users can use Cloud Convert to convert FLV to MP4 online.

#2: Clip Converter

clipconverter

Clip Converter was one of the first online converters and it remains one of the best. The free software is primarily designed for downloading and converting video files from their native format into something more accessible, handling everything from MP4 and 3GP files to AVI and MOV with incredible ease. Additional options let you strip audio from specified videos, providing files in MP3, M4A, or ACC format. Unfortunately, the site doesn’t allow much customization when it comes to video or audio files.

#3: Online-Convert

onlineconvert

Online-Convert makes the available conversion options immediately apparent, providing a slew of tools for converting video, audio, images, documents, ebooks, and other files. The video component of the site houses options for converting files to FLV, MP4, MOV, and more than 20 other popular formats, with additional options for changing the screen size, audio quality, bitrate, and other making other minor adjustments. Furthermore, you can use the search function in the top-right corner of the page to quickly check if Online-Convert is capable of making your desire conversion. If it’s not, the developers invite you to write in with conversion suggestions they may be able to implement in the future.