Upload a lossless FLAC recording and create editable text for archives, interviews, research, or production notes.
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Supported formats include 3GP, AAC, AMR, AWB, FLAC, M4A, MKA, MKV, MOV, MP2, MP3, MP4, MPG, OGA, OGG, OPUS, TS, WAV, WEBA, WEBM, WMA, WMV.
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Add the original FLAC recording, transcribe its spoken content, and export a document or subtitle file for the next step.
Select the complete .flac file, confirm the intended recording or channel is audible, and upload it from the audio tab.
AI processes the spoken content and creates an accurate, readable transcript.
Download the transcript as TXT, PDF, DOCX, SRT, VTT, CSV, or use it for summaries, captions, and searchable notes.
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FLAC stands for Free Lossless Audio Codec. Unlike lossy codecs, it reduces file size without discarding decoded audio information, making it common in archives, music libraries, production handoffs, and high-quality field recording workflows. Lossless storage is useful for transcription because it avoids adding compression artifacts to consonants, quiet passages, and room tone. It does not guarantee clear speech, however; a distant microphone or noisy room remains difficult even in a technically perfect FLAC file.
FLAC files can contain high sample rates, long durations, metadata, and more than one channel. Those properties may increase file size but are not reasons to convert the source automatically. First confirm that the correct program, interview, or language track is present and that voices are balanced across channels. If an archive includes music-only material or extended silence, separating the speech segment can make review more focused, provided the original master is preserved.
FLAC to text works well when the source was kept lossless for quality, preservation, or later production work.
Lossless files are common when interviews need long-term preservation. A transcript improves discovery and quotation workflows, while researchers can return to the FLAC master to verify dialect, emphasis, names, and uncertain passages.
Production teams may retain a FLAC master after editing. Transcription can generate show notes, articles, captions, and a searchable record without introducing another audio export before the editorial work begins.
When speech was captured with good microphones, FLAC preserves the available detail. Sections dominated by music, applause, reverberation, or audience questions still need contextual review despite the lossless codec.
Use FLAC's preserved detail to your advantage by selecting the right track and keeping the archival source intact.
Check whether speech is split across stereo channels or whether one channel contains a cleaner microphone feed than the other.
If only part of a long archive contains speech, work from a derived copy and keep the original FLAC unchanged for future verification.
There is usually no need to make an MP3 first. Uploading the playable FLAC avoids an extra lossy step and keeps the best available source.
