Are there any videos like OBS games you want to play on portable devices, but restricted by format error? How to convert video formats based on your needs, such as FLV to MP4, AVI to MKV, or others? There is the best free access to finish video format conversion without any quality loss. How about following me to learn how to convert FLV to MP4 with some top FLV to MP4 converters?

Table of Contents:

1. DVDFab Video Converter

How to convert FLV to MP4 or realize other types of video format conversion free and fast? DVDFab Video Converter deserves your attention most.

Features of this video converter:

  • Best open source FLV to MP4 converter available on Windows and Mac
  • Free to easy to use up to 30 days without limit
  • Convert one video format to another video format (AVI, FLV, MKV, M2TS, TS, MP4, etc.)
  • Convert video to audio (AAC, AC3, AIFF, APE, AU, EAC3, FLAC, M4A, MKA, MP3, OGG, Copy)
  • Output video or audio to Apple, Box, HTC, HuaWei, LG, Motorola, Nokia, Samsung, Sony, etc.
  • Support video crop/trim/speed up and down
  • Add credits, text, image and music to your file
  • Upload video to YouTube, Vimeo and Facebook
  • Work quickly, 10 times faster than the normal speed without quality loss

 i  Free Download     i  Free Download  

Steps on FLV to MP4 with DVDFab Video Converter:

  • Download this video converter on Mac or Windows
  • Click the module of Converter in the top toolbar
  • Add your file from Local/Mobile or click the “+” icon

How to change FLV to MP4

  • Click the Little Triangle icon and Choose other Profile

FLV converter to MP4

  • Then various video formats will come to your sight, including AVI, FLV, M2TS, MKV, MP4, MP4 (Mobile), MPT (Theater) as well as TS. Just select one kind of MP4 video format based on your need to convert FLV to MP4.

Free FLV to MP4 converter

  • Besides converting FLV to MP4, DVDFab Video Converter also enables you to convert video to audio formats, such as AAC, AC3, AIFF, APE, AU, EAC3, FLAC, M4A, MKA, MP3, OGG, as well as Copy format. Click Choose Other Profile > Audio > Format to convert video to audio, instead of FLV to MP4. Moreover, there is an option of Web Optimized which gives you access to YouTube.

FLV file to MP4

  • How about clicking Choose Other Profile > Device? Apart from FLV to MP4 option, you will see many output device styles for your choice, including Amazon, Apple, Barnes&Noble, BlackBerry, Box, Enlarger AI,Google, HTC, HuaWei, LG, Microsoft, Motorola, Nokia, PVP, Samsung, Sony, 3D Device, etc. In total, there are 241 kinds of presets available. You can convert FLV to MP4 and play it on any device you want.

Free FLV to MP4 converters

  • Aside from converting FLV to MP4, MP4 to MP3, MP4 to iPhone with DVDFab Video Converter, you can also customize your video using two options: Advanced Settings and Video Edit on the main interface of this FLV to MP4 converter. After clicking Advanced Settings, you can set video codec, resolution, encoding method, video quality, bits/pixel, frame rate, split, deinterlacing and output video size. On the same panel, you can also set audio codec, channels, volume, sample rate, bit rate, together with subtitle mode during FLV to MP4 conversion. Once finishing all the parameters setting, click the button of OK.

Advanced Settings to edit a video

  • Then we come to the Video Edit option. This panel allows you to add credits, text, image and music to your file, as well as rotate, crop, trim, fast forward or speed down, and set video brightness, contrast, etc. All in all, DVDFab Video Converter is a good video editor more than an FLV to MP4 converter.

FLV to MP4 converter

  • At last, set where to store your file through the option of Save to. You can choose Mobile Device, Folder and YouTube/Vimeo/Facebook based on your need

Besides converting FLV to MP4, if you also want to edit audio, subtitles, image and watermark, as well as add filters, transitions, etc., free download DVDFab Video Converter Pro which also offers a 30-day free trial.

 i  Free Download    

2. Toolkit

In contrast to last FLV converter to MP4, this freeware supports less output video formats, but Toolkit is a kind of versatile editing software for video, audio, image, watermarks and subtitles.

Features of this video converter:

  • An open source video FLV to MP4 converter available on Windows
  • Able to read 26 source video formats like 3GP, FLV, MTS, MOV, M4V, MPEG, MKV MP4, etc.
  • Convert video to MKV and MP4 format only
  • Serve as a video converter, trimmer, rotator, cropper, merger, deshake software, video extractor
  • Play roles of audio converter, trimmer, volume adjuster, denoiser, merger, audio extractor, etc.
  • Convert video to GIF, video to PIC, PIC to Video, and GIF to video
  • Add text, time, and image to your file when you convert FLV to MP4
  • Render subtitles and extract subtitles fast
  • Free and easy-to-use within 30 days without limit

Toolkit FLV to MP4 converter

Steps on how to convert FLV to MP4 with Toolkit:

  • Get this video converter launched on Windows
  • Click the option of Converter under Video Tools
  • Add your FLV file to this free video converter
  • Set output format, video and audio parameters
  • Select output video directory in the lower left corner
  • Click the button of Start to convert FLV to MP4 free

DVDFab Toolkit

Then Toolkit will work fast to process your file and remind you where to find it after it turns FLV file to MP4. If you want to convert MKV to FLV, this freeware and DVDFab Video Converter also help.

3. Video Editor

Besides converting FLV to MP4 directly and adding text or music to it, would you like to add filters, transitions, elements, overlay and mosaic to your video? If so, have a free trial of Video Editor.

Features of this FLV to MP4 converter:

  • An open source video converter compatible with Windows
  • Offer different aspect ratios for you to watch a video like 16:9, 4:3, 9:16, etc.
  • Accept video, audio and image file or folder in formats of GIF, MP4, ASF, MOV, F4V, MPEG, MPG, TS, MTS, MKV, WMV, WEBM, FLV, MXF, AAC, AC3, FLAC, M4A, MP2, WAV, BMP, JPG, PNG, TIF, JPEG, TIFF and HEIC formats
  • Add audio, text, filters, overlays, transitions, elements to your .FLV to MP4 file
  • Enable you to rotate, fast forward, crop, split, zoom, mosaic, record voiceover, green screen cutout your file
  • Allow you to convert FLV to MP4, AVI, WMV, MKV, MOV and GIF in high quality
  • Help you convert FLV to MP3 and AAC format
  • Provide a free trial up to 30 days without limit

Convert FLV to MP4 free

How to change FLV to MP4 with Video Editor:

  • Download and install this video converter on Windows
  • Import your FLV file and drag it to the Timeline section
  • Select a video clip and customize it with video editing tools available
  • Click the button of Export and choose Video format and quality

Video Editor

This is how to convert FLV to MP4 with Video Editor. No watermark will be left even if you are in a free trial. Welcome you to use it and have a pleasant experience.

Now, in order to meet users' needs, DVDFab Video Converter, Toolkit and Video Editor have been integrated to one free sofware - DVDFab Video Converter Pro, try this free software and convert FLV to MP4 without quality loss.

 i  Free Download    

4. Cloudconvert

In addition to offline programs to convert FLV to MP4, you can also try some FLV to MP4 converter online. Here I want to introduce 2 websites able to convert FLV to MP4 online free no limit to some extent, including Cloudconvert and ZamZar.

Features of this online FLV to MP4 converter:

  • Don’t read files exceeding 1 GB
  • Support files from computer, Google Drive, Dropbox, OneDrive or by URL
  • Convert video to AVI, MP4, MKV, MOV, MP4, WEBM and WMV format
  • Output file to audio in AAC, AIFF, FLAC, M4A, MP3, WAV and WMA format
  • Convert file to GIF format

How to use this FLV to MP4 converter online:

  • Come to the official website of Cloudconvert
  • Select an FLV file and set its output format as MP4
  • Click the Wrench icon and set video codec, profile, subtitles mode, etc. based on your need
  • Start to convert FLV to MP4 and wait for your file

FLV to MP4 converter free

5. ZamZar

The last online FLV to MP4 converter I want to recommend is ZamZar. Compared with CloudConvert, this online video converter is able to read files larger than 1GB which is not allowed by CloudConvert FLV to MP4 converter. It can convert a video to 3GP, AVI, MP4, Or on iPad, iPhone, YouTube, etc. And there are also three steps for you to finish converting any format of file conversion.

  • Choose an FLV file to convert
  • Set the output video format as MP4
  • Click the button of Start to convert FLV to MP4

However, there is weakness for almost all online video converts, that is, the converting video speed is very slow. So you have to be patient if you choose online programs to convert FLV to MP4. In pursuit of fast speed in any format of conversion, offline video converters are still your first choice.

Convert FLV file to MP4

6. Conclusion

Which software do you like best for FLV to MP4? If you are a Mac user, DVDFab Video Converter is your best option. If you use Windows operating system, Toolkit and Video Editor are worth a free trial. If you don’t want to install any FLV to MP4 program on your computer, CloudConvert and ZamZar help you to convert FLV to MP4 online free with a limit on file size and conversion speed.

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