FLV to HCOM Converter

Separate audio from FLV and export as HCOM online

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No Installation

The converter runs entirely in your web browser. No plugins, no apps, no downloads — just open convertio.tools and start converting immediately.

Audio Extraction

Pull the soundtrack from FLV video and save it as HCOM. Keep the audio you need without the video weight — ideal for music and podcasts.

Any Device Works

Use the converter on Windows, macOS, Linux, iOS, or Android. It runs in any modern browser regardless of your operating system or device.

How to convert FLV to HCOM

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose hcom or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your hcom file right afterwards

About formats

FLV (Flash Video) is a container format originally developed by Macromedia and later maintained by Adobe Systems after the 2005 acquisition. The format gained support for standalone playback with Flash Player 7 in 2003 and quickly became the dominant video format on the web, powering platforms like YouTube, Hulu, and Vimeo during the late 2000s. FLV files typically contain video encoded with the Sorenson Spark or VP6 codec alongside MP3 or ADPCM audio, wrapped in a lightweight proprietary container optimized for streaming delivery. The major strength of FLV was its ability to deliver consistent video playback across different operating systems and browsers through the ubiquitous Flash Player plugin, solving the fragmentation problem that plagued web video at the time. FLV files begin with a compact header followed by tagged data packets, a structure that enables fast seeking and efficient progressive download. The container supports embedded metadata with cue points, enabling interactive features like chapter navigation and timed events. FLV transformed online video from an unreliable niche experience into a mainstream medium, fundamentally reshaping entertainment, education, and communication on the internet. Although HTML5 video and modern codecs have replaced Flash-based delivery, FLV files remain in countless archives and legacy systems.
Developer: Adobe Systems
Initial release: 2003
HCOM is a Huffman-coded audio format from the early Macintosh era, designed to shrink digitized sound for distribution on floppy disks and bulletin board systems when storage was precious and modems were slow. The encoder takes 8-bit unsigned PCM input, computes a frequency table of sample-delta values, and builds an optimal Huffman tree that replaces common deltas with short bit sequences. Compression ratios of 2:1 or better were typical for speech recordings, a meaningful saving when a 3.5-inch floppy held only 800 KB. Files were distributed as Macintosh resource forks and played through utilities like SoundApp and the BinHex ecosystem that defined Mac software exchange in the late 1980s. The format supported sample rates up to 22.255 kHz, matching the output capabilities of original Macintosh sound hardware. Tools such as SoX retain HCOM decoding support, ensuring that archived recordings remain accessible decades later. HCOM holds three practical advantages for preservation work: lossless compression that recovers the original samples exactly, a self-contained Huffman table embedded in each file for dependency-free decoding, and historical prevalence across thousands of vintage Mac sound archives.
Developer: Apple Computer
Initial release: 1985

Frequently Asked Questions

Why convert FLV to HCOM?

HCOM was used on early Macintosh computers for audio. Moving FLV audio to HCOM is relevant for vintage Mac compatibility and archival purposes.

What programs open HCOM files?

HCOM is supported by SoX command-line utility and specialized Macintosh audio tools.

Do I need to install anything?

No downloads or plugins needed. The FLV to HCOM converter runs entirely in your web browser — just visit convertio.tools and start converting.

Can I convert FLV to HCOM on my phone?

Absolutely. The converter runs entirely in your mobile browser on iOS or Android — upload FLV, pick HCOM, and save the output to your device.

Will the entire audio track be extracted?

Yes, the converter extracts the entire audio stream from start to finish. The HCOM contains everything heard in the original FLV recording.

How long does FLV to HCOM conversion take?

Conversion speed varies by file length and bitrate. Short FLV clips become HCOM files in seconds, while longer recordings may take a few minutes.