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Konthora
Transcription

Audio to Text with Timestamps

Upload audio or media, choose sentence, paragraph, or word-level timestamps, then transcribe, review, and export as TXT, SRT, VTT, or JSON.

Upload media

Audio and video transcription

Up to 100 MB
Drag & drop your file here, or click to browseSupported formats: .MP3, .WAV, .M4A, .AAC, .MP4, .WEBM, .MOV
Maximum file size: 100 MB ยท Maximum duration: 10 minutes

Currently supports English-language audio only.

Ready to transcribeChoose a file, timestamp grouping, and export format.
Your files are processed securely and automatically deleted after 60 minutes. Privacy

Transcription Output

No transcription results yet

Upload an audio or video file and click Transcribe Audio. Your timestamped transcript and export controls will appear here.

Capabilities

Everything the transcription workspace supports

Konthora turns English speech into accurate, timestamped text ready to edit and export. Here is exactly what is supported.

7 file formats

Upload MP3, WAV, M4A, AAC, MP4, WebM, or MOV. Video files are read for their audio track.

Caps for size and length

Transcribe files up to 100 MB, and recordings up to 10 minutes long, in one job.

English input

Accurate transcription for English-language audio that you can verify in your browser.

TXT, SRT, VTT, JSON

Export clean text, subtitles for players, or segmented JSON for editing.

How it works

Transcribe audio in three steps

Upload a file and get an accurate, timestamped transcript in seconds.

1

Upload an audio or video file

Drop in an MP3, WAV, or other listed format, up to 100 MB.

2

Choose timestamp grouping

Pick sentence-, paragraph-, or word-level detail for your transcript.

3

Transcribe, review, and export

Review the timestamped transcript, then download it as TXT, SRT, VTT, or JSON.

Who it is for

How people use Konthora transcription

Timestamped transcripts for talking, research, and content production.

Interviews & podcasts

Turn recorded conversations into searchable, timestamped notes you can quote.

Captions & subtitles

Export SRT or VTT to add accurate captions to your videos.

Meetings & lectures

Keep a written record of talks, briefings, and brainstorming sessions.

Research & analysis

Quote key moments with confidence using word- and sentence-level timestamps.

Transcription FAQs

Common questions about Konthora's audio transcription tool.

What is the maximum upload file size?
The maximum file size per upload is 100 MB. For longer recordings, files must also be within a 10-minute duration limit.
Which file formats are supported for transcription?
Konthora accepts MP3, WAV, M4A, AAC, MP4, WebM, and MOV files. Video files are processed for their audio track only.
Which languages are supported?
Konthora currently transcribes English-language audio. Selecting "Auto Detect" also processes the audio as English.
How accurate are the timestamps?
Timestamps are generated by the Whisper speech recognition model. You can choose sentence-level, paragraph-level, or word-level timestamp grouping for your use case.
What export formats are available?
You can export your transcript as plain TXT, SRT subtitle format, WebVTT caption format, or structured JSON containing segments and, in word mode, word-level timing data.
Are uploaded files stored permanently?
No. Uploaded media files and generated transcripts are automatically deleted 60 minutes after processing. Nothing is retained beyond that window.