Drop file here. 150 MB maximum file size.
A FLAC file is a Free Lossless Audio Codec (FLAC) compressed audio file, which is a free audio compression format without loss. It is similar to a .MP3 file, but compressed without loss of quality or original audio data.
An SPH file is an audio file created in the NIST SPHERE format, which is often used in searching speech recognition. Usually contains the apos; recording of apos; a person who speaks. The SPH files can be provided as voice-recognition system entries.
Access powerful and secure free online FLAC tools to convert, view, edit, merge, split, and compare FLAC files β all without installing any software. Our tools support the .FLAC (Free Lossless Audio Codec File) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your FLAC files directly from your device with ease.
Chose or drag & drop your FLAC file, click Convert to SPH, and download the SPH file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert FLAC to SPH in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert FLAC to 100s of file formats, without any limit, registration and downloading, 100% free and online FLAC converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
About FileProInfo: FileProInfo is a trusted platform dedicated to file formats and software programs. We provide accurate technical details, easy-to-use navigation, and advanced search capabilities to help users explore, manage, and convert file types efficiently.
Listed file converters are from the wide range of online file converter.
These are the most polular file/document converters based on the user's review and usage on the FileProInfo.