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FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality. This is similar to how Zip works, except with FLAC you will get much better compression because it is designed specifically for audio, and you can play back compressed FLAC files in your favorite player (or your car or home stereo, see supported devices) just like you would an MP3 file. The FLAC encoder is a command line flac encoder.
Free software
OS:
File size: 716KB
Portable version
Old versions
Version history
OS:
File size: 716KB
Portable version
Old versions
Version history
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Latest version
Download
Download FLAC Encoder 1.5.0 Windows 64-bit 619KB Win64
Portable 
Download FLAC Encoder 1.5.0 Windows 716KB Win
Portable Download FLAC Encoder 1.5.0 Mac Mac
Download FLAC Encoder 1.5.0 Linux Linux
Download other versions
Download old versions
Software License
Supported operating systems
Mac OS Linux Version history / Release notes / Changelog / What's New
FLAC 1.5.0 (11-Feb-2025)
As there have been additions to the libFLAC interfaces, the libFLAC version number is incremented to 14. The libFLAC++ version number is incremented to 11.
General
Multithreaded encoding is now possible in libFLAC and through the flac command line tool
The GFDL license file is updated to version 1.3
The markdown tool documentation is now also converted to HTML, for bundling with systems that do not read manpages (e.g. Windows)
Decoding of chained Ogg FLAC files is now possible (philippe44, Martijn van Beurden)
Various fixes (Sam James, Miroslav Lichvar, Cristian Rodríguez, manxorist, kgroeneveld, Lee Carré, Jevin Sweval, braheezy, Wolfgang Stöggl)
Is is now possible in libFLAC, libFLAC++ and metaflac to write to a new file when changing metadata, instead of needing to overwrite an existing file
flac
Testing mode (flac -t) now parses all metadata blocks and warns the user when ID3v1 metadata is detected
A warning is displayed when frame numbers do not increase correctly throughout a file
The explain option (-H or --explain) is now removed, use the manpage or html tool documentation instead
Built-in help and tool documentation are improved (H2Swine)
When re-encoding a FLAC file from an existing FLAC file, a check is added that the MD5 sums of both files are the same
libFLAC and libFLAC++
The library interfaces have been extended. See the porting guide (part of the API documentation)
An error is sent when a frame is missing
The algorithm of the 'loose mid side' option has changed. Instead of checking every few frames which option is best and keeping that for the next few frames, a fast heuristic is now used. This was necessary to enable multithreading
Most level 0 metadata interface functions now also work with Ogg FLAC files
When encoding Ogg FLAC files, the callback now returns a number of samples instead of always 0 (Jesper Larsson, ziplantil)
When changing metadata, libFLAC now detects when an input file is a symlink, and will refuse to write data to it when an in-place rewrite of the metadata cannot happen
When encoding using seektable templates, unused seekpoints (with a sample number higher than the total number of samples) are converted to placeholders
Build system
Fix building on Android with API version < 24 (Steve Lhomme)
The microbench utility has been removed
Enable building with emscripten (werner mendizabal)
Minimum CMake version required (when building with CMake) is now formally 3.12
Testing/validation
Improve fuzzing of allocation failures
Various other fuzzing improvements
Documentation
The FLAC format is now specified in RFC 9639
The foreign metadata storage format used by the flac command line tool is now properly documented
As there have been additions to the libFLAC interfaces, the libFLAC version number is incremented to 14. The libFLAC++ version number is incremented to 11.
General
Multithreaded encoding is now possible in libFLAC and through the flac command line tool
The GFDL license file is updated to version 1.3
The markdown tool documentation is now also converted to HTML, for bundling with systems that do not read manpages (e.g. Windows)
Decoding of chained Ogg FLAC files is now possible (philippe44, Martijn van Beurden)
Various fixes (Sam James, Miroslav Lichvar, Cristian Rodríguez, manxorist, kgroeneveld, Lee Carré, Jevin Sweval, braheezy, Wolfgang Stöggl)
Is is now possible in libFLAC, libFLAC++ and metaflac to write to a new file when changing metadata, instead of needing to overwrite an existing file
flac
Testing mode (flac -t) now parses all metadata blocks and warns the user when ID3v1 metadata is detected
A warning is displayed when frame numbers do not increase correctly throughout a file
The explain option (-H or --explain) is now removed, use the manpage or html tool documentation instead
Built-in help and tool documentation are improved (H2Swine)
When re-encoding a FLAC file from an existing FLAC file, a check is added that the MD5 sums of both files are the same
libFLAC and libFLAC++
The library interfaces have been extended. See the porting guide (part of the API documentation)
An error is sent when a frame is missing
The algorithm of the 'loose mid side' option has changed. Instead of checking every few frames which option is best and keeping that for the next few frames, a fast heuristic is now used. This was necessary to enable multithreading
Most level 0 metadata interface functions now also work with Ogg FLAC files
When encoding Ogg FLAC files, the callback now returns a number of samples instead of always 0 (Jesper Larsson, ziplantil)
When changing metadata, libFLAC now detects when an input file is a symlink, and will refuse to write data to it when an in-place rewrite of the metadata cannot happen
When encoding using seektable templates, unused seekpoints (with a sample number higher than the total number of samples) are converted to placeholders
Build system
Fix building on Android with API version < 24 (Steve Lhomme)
The microbench utility has been removed
Enable building with emscripten (werner mendizabal)
Minimum CMake version required (when building with CMake) is now formally 3.12
Testing/validation
Improve fuzzing of allocation failures
Various other fuzzing improvements
Documentation
The FLAC format is now specified in RFC 9639
The foreign metadata storage format used by the flac command line tool is now properly documented
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| 2 reviews, Showing 1 to 2 reviews |
Rating by AxelR8 on
Mar 17, 2021 Version: 1.3.3
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
The best lossless codec, period!
Review by Dr. TaaDow on
Oct 22, 2017 Version: 1.3.2
OS: Windows 10 64-bit Ease of use: 10/10
Functionality: 10/10
Value for money: 10/10
Overall: 10/10
| 2 reviews, Showing 1 to 2 reviews |
| 1 tool hits, Showing 1 to 1 tools |
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NEW SOFTWARE= New tool since your last visit
NEW VERSION= New version since your last visit
NEW REVIEW= New review since your last visit
NEW VERSION= New version
Latest version
Version number / Beta version number / Update version number and when it whas released.
Type and download
NO MORE UPDATES? = The software hasn't been updated in over 2 years.
NO LONGER DEVELOPED = The software hasn't been updated in over 5 years.
RECENTLY UPDATED = The software has been updated the last 31 days.
Freeware = Download Free software.
Freeware Trialware = Download Free software but some parts are trial/shareware.
Free software = Download Free software and also open source code also known as FOSS (Free and Open Source Software).
Free software Trialware = Download Free software and also open source code but some parts are trial/shareware.
Freeware Ads = Download Free software but supported by advertising, usually with a included browser toolbar. It may be disabled when installing or after installation.
Free software Ads = Free Download software and open source code but supported by advertising, usually with a included browser toolbar. It may be disabled when installing or after installation.
Trialware = Also called shareware or demo. Free Trial version available for download and testing with usually a time limit or limited functions.
Payware = No demo or trial available.
Portable version = A portable/standalone version is available. No installation is required.
v1.0.1 = Latest version available.
Download beta = It could be a Beta, RC(Release Candidate) or an Alpha / Nightly / Unstable version of the software.
Download 15MB = A direct link to the software download.
Win = Windows download version. It works on 32-bit and 64-bit Windows.
Win64 = Windows 64-bit download version. It works only on 64-bit Windows.
Mac = Mac download version. It works on 32-bit and 64-bit Mac OS.
Mac64 = Mac OS download version. It works only on 64-bit Mac OS.
Linux = Linux download version.
Portable = Portable version. No installation is required.
Ad-Supported = The software is bundled with advertising. Be careful when you install the software and disable addons that you don't want!
Visit developers site = A link to the software developer site.
Download (mirror link) = A mirror link to the software download. It may not contain the latest versions.
Download old versions = Free downloads of previous versions of the program.
Download 64-bit version = If you have a 64bit operating system you can download this version.
Download portable version = Portable/Standalone version meaning that no installation is required, just extract the files to a folder and run directly.
Portable version available = Download the portable version and you can just extract the files and run the program without installation.
Old versions available = Download old versions of the program.
Version history available = Complete changelog on our site.
= Windows version available. = Mac OS version available. = Linux version available.Our hosted software are virus and malware scanned with several antivirus programs using www.virustotal.com. (NOTE! Just one virustotal warning is 99.9% a false positive. And some software might receive 2-6 warnings but it's if they are not all same virus/trojan then it's 99% false positives.)
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