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How to use an FLV joiner

Cliff Weitzman

Cliff Weitzman

CEO/Founder of Speechify

Generator de Voice Over AI nr. 1.
Creează înregistrări voice over cu sunet natural, ca o voce umană,
în timp real.

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Entering the world of video formats, particularly FLV, can often seem overwhelming. That’s why we’re here to shed light on how you can seamlessly merge your FLV files using the versatile Speechify Video Studio's editor. First, let’s help you better understand FLV files, their applications, and detail the steps to successfully merge them. We also clear up common queries related to FLV files.

No matter if you are crafting a unique video compilation or striving for an efficient way to manage your files, this guide has got you covered. With easy-to-understand information and clear instructions, mastering the art of merging FLV files is now within your grasp.

What is FLV?

FLV, or Flash Video, is a digital video file format created by Adobe Systems. The format is widely used online for web video streaming and can be played in an Adobe Flash Player.

FLV files consist of short header, interleaved audio, video, and metadata packets. The audio and video data within FLV files are encoded in the same manner as they are within SWF files, another format developed by Adobe.

FLV was once the de facto standard for streaming video content on the web, particularly on sites like YouTube, Hulu, VEVO, Yahoo! Video, and other video-sharing platforms. However, its use has declined in favor of more modern formats like HTML5 video, primarily due to the gradual discontinuation of the Adobe Flash Player and inherent security issues with the flash format.

It's worth noting that while FLV files are declining in usage, many tools, including video converters and players like VLC, still support the format. This allows users to play, convert, or edit FLV files if needed.

Why would you merge FLV videos?

There could be several reasons why one might want to merge FLV videos:

  1. Creating a compilation or a montage: Merging multiple videos into one can be useful if you're creating a highlights reel, a video montage, or a compilation.
  2. Continuous viewing: For better viewing experience, you might want to merge videos, especially if they are part of a series or a sequence. This way, viewers can watch the content continuously without interruption.
  3. Condensing storage: If you have many small video clips that you'd prefer to store as a single file for organization or storage purposes, merging them would be beneficial.
  4. Video editing projects: If you're working on a video editing project that includes multiple clips or scenes, merging the videos together would be an integral part of the editing process.
  5. Sharing or presentation: It could be easier to share one combined video file rather than multiple individual files, especially if the videos are meant to be watched in a particular order. The same applies when presenting a series of videos - it's often simpler and more professional to present one file.

Remember, while FLV was a popular format in the past, it has been phased out on many platforms due to the discontinuation of Adobe Flash Player. So, if you're planning to upload or share your merged video, it might be beneficial to convert the merged FLV video into a more universally compatible format, like MP4.

How to join FLV files online

Join your FLV video files with our web-based FLV joiner tool. Speechify Video Studio's video editor empowers you to merge FLV files or add files of various formats together, creating a single video file. Speechify Video Studio doubles as a video converter, letting you convert your videos into MP4 format to ensure compatibility with all media players. This can be done on any device, right from your browser. Our video editing software is fully compatible with various operating systems, including Windows XP, Windows 10, Mac OS, Linux, as well as mobile platforms like iOS and Android.

Here's a tutorial on how to use the FLV joiner:

Step 1: Upload your FLV video files

Click on 'Choose FLV Files' to select your videos or use the drag and drop feature to place your files into the box. They will be uploaded into the video editor.

Step 2: Initiate video editing or incorporate more videos

You'll be directed to the video editor where you have the option to split, combine and reorder your video clips. If you wish to add more videos, click on the plus (+) sign on the editing pane or 'Upload' from the left menu.

Step 3: Export your new video

Ready to download your merged videos as an MP4 file? Simply click 'Export', and your download will commence.

Edit and convert your videos with our freeware

Use Speechify Video Studio as Your Number One FLV Merger

Our free video editing software offers a plethora of tools to help enhance your videos. Add a professional touch by incorporating filters, effects, images, and texts. Our video converter will automatically convert your FLV video files to MP4, the most compatible among all video formats.

Cut, split, and trim your videos to suit your preferences, rearranging your video clips using the same video editor. Our video joiner supports various file formats, including MP4, AVI, MOV, WMV, MKV, ASF, VOB, and more. Regardless of the file formats of your uploaded videos, the final output will be one MP4 file.

Preserve the quality of your original videos with our FLV video joiner, similar to Andy's FLV joiner, but with a user-friendly interface. You can merge, join, or combine FLV files without experiencing quality loss, thanks to our lossless encoding. Our tool even allows you to add subtitles and adjust codecs, ensuring a more personalized video editing experience. Best of all, you can do all these without the hassle of watermark and absolutely free.

Enjoy the seamless video merging and conversion experience on Speechify Video Studio, regardless of your operating system, be it Windows, Mac OS, Linux, Android, or iOS.

Use our video merger tool or enjoy any number of our easy-to-use video editing features with Speechify Video Studio.

FAQ

How do I convert FLV files to MP4?

Speechify Video Studio automatically converts your FLV files to MP4 after merging them. You can then download your combined FLV videos as a single MP4 file.

Is the file size of FLV smaller than MP4?

Contrarily, FLV files are three to four times larger than MP4 files, making MP4 the more preferred format on video-sharing and social media platforms.

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Cliff Weitzman

Cliff Weitzman

CEO/Founder of Speechify

Cliff Weitzman is a dyslexia advocate and the CEO and founder of Speechify, the #1 text-to-speech app in the world, totaling over 100,000 5-star reviews and ranking first place in the App Store for the News & Magazines category. In 2017, Weitzman was named to the Forbes 30 under 30 list for his work making the internet more accessible to people with learning disabilities. Cliff Weitzman has been featured in EdSurge, Inc., PC Mag, Entrepreneur, Mashable, among other leading outlets.

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Speechify este platforma de top la nivel mondial în text to speech, de încredere pentru peste 50 de milioane de utilizatori și apreciată cu peste 500.000 de recenzii de 5 stele pentru aplicațiile sale de iOS, Android, Extensie Chrome, aplicație web și aplicație desktop Mac. În 2025, Apple a recompensat Speechify cu prestigiosul Apple Design Award la WWDC, numindu-l „o resursă esențială care ajută oamenii să trăiască mai bine”. Speechify oferă peste 1.000 de voci naturale în peste 60 de limbi și este folosit în aproape 200 de țări. Voci de celebrități includ Snoop Dogg, Mr. Beast și Gwyneth Paltrow. Pentru creatori și afaceri, Speechify Studio oferă instrumente avansate, inclusiv Generator de Voci AI, Clonare de voce AI, Dublaj AI și Schimbător de voce AI. Speechify alimentează și produse de top cu al său API text to speech de înaltă calitate, eficient din punct de vedere al costurilor. Prezentat în The Wall Street Journal, CNBC, Forbes, TechCrunch și alte publicații importante, Speechify este cel mai mare furnizor de text to speech din lume. Vizitează speechify.com/news, speechify.com/blog și speechify.com/press pentru a afla mai multe.