ULW Converter
Convert ULW files online for free
Drop or upload your .ULW file
How to convert your ULW file
- Click Select File above, and choose your ULW file.
- You'll see a preview.
- Click the "Convert file to..." button to save your file in the format you want.
Convert ULW to another file type
The converter easily converts your ULW file to various formats—free and online. No Media Player or extra software needed.
- ULW to MP3
- ULW to WAV
- ULW to AAC
- ULW to FLAC
- ULW to OGG
- ULW to WMA
- ULW to M4A
- ULW to AIFF
- ULW to OPUS
- ULW to ALAC
- ULW to APE
- ULW to WV
Convert a file to ULW
The converter also works in reverse, allowing you to convert your file into the ULW file type—in the best quality.
- MIDI to ULW
- AAC to ULW
- TTA to ULW
- AU to ULW
- WV to ULW
- DTS to ULW
- MID to ULW
- FLAC to ULW
- RA to ULW
- MP3 to ULW
- PCM to ULW
- WAV to ULW
About ULW files
ULW files, known as bc-law audio files, are a format used for storing audio data, primarily in telephony. Despite their compact size, they come with significant limitations in audio quality. ULW files use the bc-law algorithm, which is a companding algorithm primarily utilized in North America and Japan for voice signals.
For those looking to convert ULW files, there are several desktop software options available. Tools like Audacity and VLC Media Player offer conversion capabilities. Additionally, software like SoX (Sound eXchange) is specifically designed for audio manipulation and conversion.
When converting ULW files, you can target a variety of formats, including WAV, MP3, FLAC, AAC, and OGG. Each of these formats offers different advantages and can be chosen based on your needs for quality, compatibility, and file size.
It's crucial to consider the compression artifacts and quality degradation that may occur during conversion. ULW files already have lower sound fidelity, so converting to a lossy format like MP3 might further reduce quality. Software limitations, such as lack of native support for ULW, can also pose challenges.
While ULW files are compact, they are far from ideal for modern media applications due to their low audio quality. This is why using a reliable conversion service is recommended. Although online services are not mentioned here, converting ULW files is easy and efficient with Convert.Guru. Simply drag and drop your ULW files onto the website to convert them into any desired format quickly and safely.
For more technical details about the bc-law algorithm, you can refer to its Wikipedia page.
The ULW Converter Story
The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.
When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.
Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best ULW converter by continuously improving quality, usability, and reliability.