How to Convert FLV to MP4 on PC and Online

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FLV and MP4 are both pretty common video formats. However, not all devices and platforms support FLV, while the MP4 format is compatible with almost any media-playing gadget. Hence, the need to convert FLV to MP4 arises.

This article describes 4 best video converters. Any user will find the right one: online and offline, for macOS and Windows - this guide has them all. Let's dive in!

Icecream Video Converter

Transforming FLV videos into the MP4 format is a matter of seconds with Icecream Video Converter. This free video converter is known for its user-friendly interface, high-quality output, customizable settings, and fast conversion speed.

Here is how to easily convert your FLV media to MP4:

  1. Download video converter for PC and complete the installation process.
  2. Open the program. Click the "Add File" button and select the FLV file you need to convert.
  3. Choose "MP4" from the drop-down list of output formats. Customizing the resulting file's settings is available with the gear icon: trim the video, adjust audio quality, add a watermark, etc.
  4. In the "Save to" field, pick the destination folder.
  5. Once you're ready, hit "Convert" to start processing the video.
  6. After the conversion is completed, locate the MP4 file in the folder you indicated earlier.
Desktop FLV to MP4 video converter

Pros:

  • Intuitive Interface. The FLV to MP4 converter is equipped with a user-friendly interface, making it easily understandable for individuals with diverse technical skills.
  • Batch Processing. Save time and effort by converting multiple videos simultaneously in batch mode. This feature is particularly useful for managing extensive file collections.
  • Video Editing Capabilities. The video converter for PC provides essential video editing tools such as trimming, adjusting resolution, etc., allowing users to customize their videos before the conversion process.
  • Preview Functionality. Before initiating the FLV to MP4 conversion, users have the option to preview videos, ensuring satisfaction with the chosen settings.
  • Formats Variety. Supports a wide range of video and audio input and output formats: MP4, MOV, Webm, MP3, WAV, etc.

Cons:

  • Windows Only. The video converter is only supported by Windows-based devices.

As described above, you can effortlessly convert your FLV videos to the widely supported MP4 format using this high-performance conversion software. Download Icecream Video Converter today and experience seamless video conversion.

CloudConvert

As a free online video converter, CloudConvert can handle over 200 available options, including FLV and MP4. It is fast, efficient, and user-friendly, making it the ideal choice for converting your FLV files to MP4.

See the instructions below to use online video file converter:

  1. Open the main page of the converting website.
  2. Click "Select File" to upload your FLV video for conversion. You can also export files from your cloud storage.
  3. Go to the "Convert to" drop-down menu. Under "Video", locate and set as the output format "MP4".
  4. Hit "Convert" to begin processing the video.
  5. After the MP4 file is ready, the download page will be opened.
How to change an FLV to MP4

Pros:

  • Universal Availability. Users can convert FLV to MP4 using the service on any device connected to the internet.
  • Seamless Cloud Integration. The platform seamlessly integrates with cloud storage services such as Google Drive, Dropbox, and OneDrive, enabling direct import of files and export of results.
  • Editing Features. The online video converter offers fundamental editing capabilities, allowing users to trim, resize, and adjust audio settings for their videos.

Cons:

  • Restricted Free Usage. Although the MP4 video converter offers a complimentary version, users are limited to 25 conversions per day as part of the free tier.

FreeConvert

FreeConvert is a reliable and web-based efficient tool for converting FLV to MP4. Its simple interface and customizable settings make it a preferable option for both beginners and experienced users.

Here is a step-by-step guide to employ this online video converter:

  1. Go to the website. In the "Tools" menu, pick "Video Converter". You can also use the "Choose Files" button on the main page and upload your FLV video right away.
  2. Open the "Output" drop-down menu and choose "MP4" as the resulting format. With the gear icon, you can adjust the advanced settings if needed.
  3. Hit "Convert" to process your video. Once it's ready, you will be prompted to download the clip in the new format.
How to convert FLV to MP4

Pros:

  • Online and Free. This FLV to MP4 converter operates through a web platform and is accessible without any charges.
  • User-Friendly Design. The service presents a simple interface, ensuring ease of use for individuals with varying levels of experience.
  • Wide Range of Supported Formats. The video converter accommodates a diverse range of file formats for conversion, encompassing options like AVI, MOV, Webm, etc.

Cons:

  • Free Usage Restrictions. Contrary to its name, the website imposes limitations, permitting only 25 free operations daily, with a maximum 5-minute duration for each video.
  • Intrusive Advertisements. Ads are positioned within the working space of the converter, potentially causing distractions for users.

1-Click Video Converter

1-Click Video Converter provides a seamless and productive approach to converting FLV to MP4. Its intuitive design and top-notch results make it the go-to option for countless individuals. With just a few touches, you can easily convert your videos without any hassle.

Here is a guide to converting FLV to MP4 using this app:

  1. Download the converter from the App Store. Install it.
  2. Launch the program. Click "Add Files" to import your FLV video.
  3. Open the "Profile" drop-down menu and select "MP4" as the output format. Customize the "Settings" if necessary.
  4. Pick the folder to save your new file under the "Destination" option. Hit "Convert".
  5. After you see the "Complete" message on your screen, open the selected folder to access your MP4-formatted video.
Convert FLV to MP4 on Mac

Pros:

  • User-Friendly Operation. True to its name, this free video converter simplifies video conversion with a single-click process, ensuring ease of use.
  • Batch Conversion. Expedite the process by converting multiple FLV files to MP4 simultaneously.
  • Extensive Format Compatibility. Capable of handling a diverse range of video formats (MOV, M4V, MKV, MP3, FLAC, WMA, and more.), this software is well-suited for all your conversion needs.

Cons:

  • No Advanced Settings. The absence of advanced customization parameters hinders the ability to tailor quality or format according to specific requirements.
  • MacOS only. The video converter is specifically designed for Apple devices.

FLV vs MP4

Both formats have their own unique features and benefits, making them popular choices for different purposes. Let's take a closer look at these two formats and compare them in terms of their characteristics and usage.

What is FLV?
FLV stands for Flash Video, which was created by Adobe Systems. It is a file format commonly utilized for online streaming of video content. It supports high-quality video and audio compression, making it ideal for internet-based applications.
What is MP4?
MP4, on the other hand, stands for MPEG-4 Part 14 and is a digital multimedia container format. It is widely used for storing and playing videos on various devices, including smartphones, tablets, and computers.

Video Quality

MP4 format is more advanced as compared to FLV, offering better compression and higher video quality. Converting FLV to MP4 will result in a smaller file size while maintaining the same quality or even improving it. This simplifies the sharing and storage of videos without sacrificing their visuals.

Compatibility

Most modern devices, including smartphones, tablets, and smart TVs, support MP4 playback. On the other hand, the FLV format is only supported by Adobe Flash Player, which is gradually being phased out. By converting FLV to MP4, you can ensure that your videos can be played on any device without any compatibility issues.

Video Editing

FLV files are not widely supported by video editing software, making it challenging to work with them. On the contrary, all video editors are equipped to handle MP4 files, streamlining the task of enhancing your videos once they have been converted.

Online Streaming

With the rise of streaming platforms like YouTube and Netflix, MP4 has become the preferred format for online streaming. By turning your Flash files into MP4 videos, you can easily upload them to these platforms without any difficulties.

FAQ

Is there a risk of losing quality when converting FLV to MP4?
Some quality loss can occur, especially if the conversion parameters are not optimized. However, it can be minimized by using high-quality settings.
What are the best settings for FLV to MP4 conversion?
Use a high bitrate and resolution that matches the original file. Choose H.264 for video codec and AAC for audio codec for best results.
Do I need to install codecs to convert FLV to MP4?
Most programs come with the necessary codecs, but some may require additional packs, especially on older systems.
Are there any security concerns with using online converters?
Yes, always use reputable sites like those we mentioned above to avoid malware and ensure your data privacy.
What should I do if the resulting MP4 file has out-of-sync audio?
Try adjusting the conversion settings such as frame rate, bitrate, and audio codec. Experimenting with different parameters might resolve the sync problem.

Conclusion

In conclusion, converting FLV to MP4 offers compatibility with multiple devices, better quality, ease of video editing, and convenience for online streaming. Having this skill can save you from the hassle of searching for compatible players or apps and allows you to enjoy your favorite videos anytime, anywhere.

With various online and desktop video converters available, saving FLV as MP4 has never been easier. So, if you have any FLV videos, it's time to transform them to MP4 and enjoy hassle-free playback on any device.

Alexandra Meyer

Editor-in-Chief at Icecream Apps

With experience spanning over several years, Alexandra Meyer holds the esteemed position of editor-in-chief at Icecream Apps. Originally involved in the website's establishment in 2014, Alexandra now ensures the maintenance of the company's exceptional content standards across their various projects. Specializing in technology, software, online services, and human resources, she has extensively written and edited numerous articles on these subjects.
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