Add FLAC audio
Choose one or more non-empty .flac files no larger than 100 MB each. A source must contain audio that host FFmpeg can read.
Server-backed FLAC to MP3 conversion
Upload supported FLAC files, then let Fileverses create separately downloadable MP3 results from the first audio stream in each file.
Processed by our self-hosted conversion engine
Supported files
Use this route when an MP3 handoff is more useful than a FLAC source. Fileverses creates a fresh MP3; it does not simply change the filename or copy the source stream.
How it works
Choose one or more non-empty .flac files no larger than 100 MB each. A source must contain audio that host FFmpeg can read.
Start conversion to process queued files sequentially with the route's fixed LAME VBR quality-2 MP3 profile.
Listen in compatible software if needed, then download every completed result with its own converted filename.
What this route makes
FFmpeg maps the first audio stream only, strips source metadata and chapters, excludes video, and encodes MP3 with LAME VBR quality setting 2. There are no audio-setting controls.
Convert FLAC to MP3Only non-empty .flac uploads up to 100 MB are accepted here. A .flac extension is not enough if FFmpeg cannot read the audio stream.
The converter maps only the first audio stream and outputs audio-only MP3. It does not select alternate tracks or preserve video, subtitles, or attachments.
The result is encoded with libmp3lame at VBR quality setting 2. It is not a stream copy, has no fixed bitrate or size, and will not restore detail lost in an earlier source.
Source metadata and chapters are removed. This route has no trim, bitrate, sample-rate, channel, stream-selection, or quality controls.
FLAC-to-MP3 details
It accepts non-empty .flac files up to 100 MB each. The uploaded file must contain an audio stream that the host FFmpeg installation can read.
Fileverses maps the first audio stream and creates a new MP3 with libmp3lame using VBR quality setting 2. The route does not offer a bitrate or quality selector.
No. FLAC input is lossless, but this route creates a lossy MP3 encode. It cannot guarantee identical audio or restore information lost in any earlier source.
No. The conversion profile removes source metadata and chapters, so check or add any information you need in the downloaded MP3.
Yes. You can add multiple eligible files. The browser submits them one at a time and the server processes each submitted file sequentially, with a separate result when successful.
Not necessarily. The preview depends on the browser's FLAC support. Server-side conversion can still work when host FFmpeg can read the uploaded source.
No. This is a fixed conversion route: no trimming, stream selection, channel, sample-rate, bitrate, or encoder-quality controls are available.