Konthora
AI Voice & Transcription Studio

Natural speech. Precise transcripts. In your browser.

Turn written text into lifelike voiceovers or convert audio and video into timestamped transcripts — fast, private, and free to use, right from a clean browser-based workspace.

Generate SpeechTranscribe Audio

Natural Speech. Precise Transcripts.

Engineered for speed, accuracy & privacy

41
AI voices
2,000
Characters per script
100MB
File uploads
60min
Auto-delete retention
AI Text-to-Speech

Narratives that sound effortlessly human

Turn a written script into high-quality voiceovers. Pick a voice, set the pace, and export polished audio — all in your browser.

Lifelike voices

Choose from 41 AI voices across English, Hindi, Spanish, French, Italian, Portuguese.

Granular controls

Fine-tune accent and playback speed to match your intended cadence and tone.

Natural delivery

Realistic pacing, emphasis, and rhythm synthesised from your own written script.

MP3 & WAV export

Download polished audio for videos, podcasts, or presentations in your preferred format.

Open the speech workspace
US English · Female
Neural Kokoro engine
Ready
00:12 / 00:48 MP3
meeting-notes.mp3
Faster-Whisper · English
Done
Audio Transcription

Audio, turned into accurate time-coded text

Upload audio or video and get a readable, timestamped transcript you can trust — grouped by sentence, paragraph, or individual words.

  • Sentence, paragraph, or word-level timestamps
  • Auto-detected English speech recognition
  • MP3 · WAV · M4A · AAC · MP4 · WebM · MOV
  • Copy text or export subtitle standards
Open the transcription workspace
Why Konthora

Built to feel fast and effortless

A modern audio studio that respects your time, your privacy, and the quality of your work.

Instant results

No accounts, no friction. Generate speech or transcripts in seconds with production-grade neural models.

Privacy first

Text is processed in-memory and wiped after synthesis. Files and transcripts auto-delete after 60 minutes.

Precision output

Word-level timestamps and natural prosody deliver results built for real podcasts, videos, and captions.

Trustworthy & safe

Rate limits, secure token access, and strict storage boundaries keep your work protected at every step.

Features

Everything you need, nothing you don’t

A purpose-built studio focused on the tools that matter for creators.

Natural speech generation

Advanced neural speech synthesis for professional voice tracks.

Timestamped transcripts

Sync spoken language with time — down to individual words.

Multiple export standards

Export subtitles (SRT, VTT) or structured text (TXT, JSON).

Works anywhere

Responsive tools for desktop, tablet, and smartphone.

Data-privacy conscious

Strict processing boundaries with automatic file deletion.

Studio controls

Adjust voice, accent, speed, and timestamp grouping on the fly.

Workflow

Three simple steps from idea to output

A clean, guided flow for every project — no tutorials required.

Speech

  1. Step 01

    Input your text

    Paste or draft scripts up to 2,000 characters.

  2. Step 02

    Tune the voice

    Choose voice, accent, and natural speed.

  3. Step 03

    Export audio

    Download a polished MP3 or WAV file.

Transcription

  1. Step 01

    Upload media

    Drag & drop audio or video up to 100 MB.

  2. Step 02

    Pick timestamp mode

    Group by sentences, paragraphs, or words.

  3. Step 03

    Export transcript

    Copy text or download TXT, SRT, VTT, JSON.

Language & Voices

AI voices in six languages

Konthora provides 41 AI voices across 6 text-to-speech languages: English, Hindi, Spanish, French, Italian, Portuguese. English includes American and British voice options.

  • English speech recognition with auto-detect
  • Multiple voice profiles across accents
  • Word-level transcription timing
American Femaleen-US
af_heart
American Maleen-US
am_michael
British Femaleen-GB
bf_emma
British Maleen-GB
bm_george
What you get

Real tools with clear capabilities

Konthora is a set of browser-based workspaces. Here is what is actually supported, so you know exactly what to expect before you start.

Open speech workspaceOpen transcription workspace

Learn how Konthora protects your data in our privacy policy, find out more about the team on our about page, or get in touch.

41 AI voices across 6 languages

Generate speech in English, Hindi, Spanish, French, Italian, Portuguese.

MP3 & WAV for speech

Download AI voiceovers as MP3 or WAV, with speed adjustable between 0.75× and 1.25×.

English transcription

Transcribe audio and video in English, with sentence, paragraph, or word-level timestamps.

Export as TXT, SRT, VTT, JSON

Take transcripts into subtitle files or structured data for editing and publishing.

Frequently Asked Questions

Have questions about Konthora? Find quick answers below.

Is Konthora free to use?
Yes, Konthora is currently free to use. You can generate speech and transcribe audio directly from your browser without creating an account.
Which audio formats are supported?
For text-to-speech, you can download audio in MP3 and WAV formats. For transcription, you can upload MP3, WAV, M4A, AAC, MP4, WebM, and MOV files.
Can transcripts include timestamps?
Yes. You can choose between sentence-level, paragraph-level, or precise word-level timestamps to sync text with your audio.
Can generated speech be downloaded?
Yes. You can generate and download high-quality speech files directly in MP3 or WAV format from the Text to Speech workspace.
Are uploaded files stored permanently?
No. Uploaded texts are processed strictly in-memory and immediately wiped once synthesis completes. Uploaded media files and transcripts are automatically deleted after 60 minutes.
Does it work on mobile devices?
Yes. Konthora is designed with a mobile-first responsive layout, allowing you to use all tools, configure settings, and manage workspaces on smartphones and tablets.

Your text, spoken with perfect clarity

Create natural-sounding voiceovers and accurate transcripts in seconds — right in your browser. No account needed.

Generate speech nowTranscribe audio

Free · No sign-up · Files auto-delete in 60 minutes