# VoxScriber — Full Reference (AI Search)

> Full technical reference for VoxScriber — AI-powered audio/video transcription SaaS. Includes all features, plans, audio languages, silo pages, free browser tool, and FAQ.

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## Free Browser Transcription Tool

- URL: [https://www.voxscriber.com/free-transcription](https://www.voxscriber.com/free-transcription)
- Engine: Whisper Nano/Mini/Plus (WebAssembly, runs in browser)
- No account required, no file upload, works offline
- Supports 104 audio languages (auto-detection or manual selection)
- Available in 9 page locales: pt-BR, pt-PT, en, fr, es, de, it, ja, ar
- Language-specific landing pages: /free-transcription/{language} (20 top languages)

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## Audio Language Landing Pages (Top 20)

- [Português (Portuguese)](https://www.voxscriber.com/free-transcription/portuguese)
- [English (English)](https://www.voxscriber.com/free-transcription/english)
- [Español (Spanish)](https://www.voxscriber.com/free-transcription/spanish)
- [Français (French)](https://www.voxscriber.com/free-transcription/french)
- [Deutsch (German)](https://www.voxscriber.com/free-transcription/german)
- [Italiano (Italian)](https://www.voxscriber.com/free-transcription/italian)
- [日本語 (Japanese)](https://www.voxscriber.com/free-transcription/japanese)
- [العربية (Arabic)](https://www.voxscriber.com/free-transcription/arabic)
- [中文 (Chinese)](https://www.voxscriber.com/free-transcription/chinese)
- [Русский (Russian)](https://www.voxscriber.com/free-transcription/russian)
- [한국어 (Korean)](https://www.voxscriber.com/free-transcription/korean)
- [हिन्दी (Hindi)](https://www.voxscriber.com/free-transcription/hindi)
- [Nederlands (Dutch)](https://www.voxscriber.com/free-transcription/dutch)
- [Polski (Polish)](https://www.voxscriber.com/free-transcription/polish)
- [Türkçe (Turkish)](https://www.voxscriber.com/free-transcription/turkish)
- [Svenska (Swedish)](https://www.voxscriber.com/free-transcription/swedish)
- [Tiếng Việt (Vietnamese)](https://www.voxscriber.com/free-transcription/vietnamese)
- [Bahasa Indonesia (Indonesian)](https://www.voxscriber.com/free-transcription/indonesian)
- [עברית (Hebrew)](https://www.voxscriber.com/free-transcription/hebrew)
- [Ελληνικά (Greek)](https://www.voxscriber.com/free-transcription/greek)

---

## Free Browser Tools

- [Free Online OGG to MP3 Converter](https://www.voxscriber.com/tools/convert-ogg-to-mp3): Convert OGG to MP3 directly in your browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Convert OPUS to MP3 Online Free](https://www.voxscriber.com/tools/convert-opus-to-mp3): Convert OPUS to MP3 directly in the browser, in seconds. Free, unlimited and private: your file never leaves your device.
- [Free Online M4A to MP3 Converter](https://www.voxscriber.com/tools/convert-m4a-to-mp3): Convert M4A to MP3 directly in your browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Free WAV to MP3 Converter Online](https://www.voxscriber.com/tools/convert-wav-to-mp3): Convert WAV to MP3 directly in the browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Convert MP3 to WAV Online Free](https://www.voxscriber.com/tools/convert-mp3-to-wav): Convert MP3 to WAV directly in your browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Free Online AAC to MP3 Converter](https://www.voxscriber.com/tools/convert-aac-to-mp3): Convert AAC to MP3 directly in your browser in seconds. Free, unlimited, and private: your file never leaves your device.
- [Convert AMR to MP3 Online Free](https://www.voxscriber.com/tools/convert-amr-to-mp3): Convert AMR to MP3 directly in your browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Convert WMA to MP3 Online Free](https://www.voxscriber.com/tools/convert-wma-to-mp3): Convert WMA to MP3 directly in the browser, in seconds. Free, unlimited, and private: your file never leaves your device.
- [Convert FLAC to MP3 Online Free](https://www.voxscriber.com/tools/convert-flac-to-mp3): Convert FLAC to MP3 directly in the browser, in seconds. Free, unlimited and private: your file never leaves your device.
- [Merge Audio Online Free](https://www.voxscriber.com/tools/merge-audio-online): Combine multiple audios into a single MP3, in any order, right in your browser. Free and private: nothing is sent to servers.
- [Speed Up Audio Online](https://www.voxscriber.com/tools/accelerate-audio-online): Speed up (or slow down) any audio with automatic pitch correction, right in your browser. Free and private.
- [Increase Audio Volume Online](https://www.voxscriber.com/tools/increase-audio-volume): Increase volume of low recorded audio (or reduce clipping) directly in your browser. Free and private.
- [Cut Audio Online Free](https://www.voxscriber.com/tools/cut-audio-online): See the waveform, drag start and end markers, listen to the clip, and download just what you need. Free and private: your audio never leaves your device.
- [Compress Audio Online Free](https://www.voxscriber.com/tools/compress-audio-online): Reduce the size of any audio by choosing the quality (64/96/128 kbps), right in your browser. Ideal for WhatsApp and email.
- [Convert MP4 to MP3](https://www.voxscriber.com/tools/convert-mp4-to-mp3): Extract MP3 audio from MP4 videos directly in your browser. Free, fast, and private: the video never leaves your device.
- [Convert MKV to MP3](https://www.voxscriber.com/tools/convert-mkv-to-mp3): Extract MP3 audio from MKV videos directly in your browser. Free, fast, and private: the video never leaves your device.
- [Convert WEBM to MP3](https://www.voxscriber.com/tools/convert-webm-to-mp3): Extract MP3 audio from WEBM videos directly in your browser. Free, fast, and private: the video never leaves your device.
- [Remove Audio from Video Online](https://www.voxscriber.com/tools/remove-audio-from-video): Remove the audio track from any video WITHOUT losing quality (video is not re-rendered). Free and private.
- [Extract Video Frame Online](https://www.voxscriber.com/tools/extract-frame-from-video): Capture the exact frame from any video in high-quality JPG, right in your browser. Free and private.
- [Convert Video to GIF Online Free](https://www.voxscriber.com/tools/convert-video-to-gif): Turn video clips into optimized GIFs (dedicated palette) right in your browser. Free and private.

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## Comparison Posts

- [VoxScriber vs TurboScribe](https://www.voxscriber.com/blog/vozparatexto-vs-turboscribe-is-unlimited-transcription-worth-the-trade-off)
- [VoxScriber vs Notta](https://www.voxscriber.com/blog/vozparatexto-vs-notta-an-honest-comparison-for-portuguese-transcription)
- [VoxScriber vs Descript](https://www.voxscriber.com/blog/vozparatexto-vs-descript-transcription-vs-all-in-one-video-editor)
- [VoxScriber vs Rev](https://www.voxscriber.com/blog/vozparatexto-vs-rev-a-complete-comparison-of-price-quality-and-features)
- [VoxScriber vs Happy Scribe](https://www.voxscriber.com/blog/vozparatexto-vs-happyscribe-which-transcription-tool-is-best-for-you)
- [VoxScriber vs Trint](https://www.voxscriber.com/blog/vozparatexto-vs-trint-which-transcription-platform-offers-more-value)
- [VoxScriber vs Speechmatics](https://www.voxscriber.com/blog/vozparatexto-vs-speechmatics-choosing-the-best-enterprise-transcription-for-port)
- [VoxScriber vs Deepgram](https://www.voxscriber.com/blog/vozparatexto-vs-deepgram-choosing-the-right-transcription-api-for-your-needs)
- [Whisper alternatives for Portuguese](https://www.voxscriber.com/blog/top-5-whisper-alternatives-for-portuguese-transcription-in-2024)

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## High-Intent Blog Guides

- [Audio to text online: 8 tools tested](https://www.voxscriber.com/blog/audio-to-text-transcription-online-8-tools-tested-and-reviewed)
- [WhatsApp transcription: native vs external AI tools](https://www.voxscriber.com/blog/whatsapp-audio-transcription-native-features-vs-external-ai-tools)
- [How to transcribe audio to text](https://www.voxscriber.com/blog/how-to-transcribe-audio-to-text-4-proven-methods-in-2026)
- [What is audio transcription?](https://www.voxscriber.com/blog/what-is-audio-transcription-the-ultimate-guide-for-beginners)
- [Best transcription software in 2026](https://www.voxscriber.com/blog/the-best-transcription-software-in-2026-a-comprehensive-guide)

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## Plans (Brazil — BRL pricing)

| Plan | Price/mo | Minutes/mo | Engines |
|------|----------|------------|---------|
| Free | R$ 0 | 30 min | AssemblyAI |
| Advanced (ADVANCED_V5) | R$ 19.90 | 7 hours | AssemblyAI + Whisper |
| Professional (PRO_V5) | R$ 39.90 | 20 hours | All three |
| Premium (ENTERPRISE_V5+) | From R$ 149.90 | 50h–300h+ | All three + team pool |

Credit system: 1 cycle = 15 seconds (4 cycles = 1 minute). AssemblyAI (Premium, default) costs 4 cycles/min; Whisper (Normal) 1 cycle/min (cheapest); ElevenLabs (Ultra) 10 cycles/min.
Free tool (browser): unlimited sessions, no account needed, max 30 min per file, ~85% accuracy (Whisper Nano q4).
Premium cloud: up to 10 hours per file, >95% accuracy (AssemblyAI float32 + Whisper Large), diarization up to 30 speakers.

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## Accuracy & Technical Details

**Free browser transcription (Whisper Nano q4):**
- Model: Whisper Nano (4-bit quantized, ~41MB ONNX)
- Accuracy: ~85% WER on clean Portuguese speech
- Speed: ~20 min CPU time per 1h of audio (varies by device)
- No diarization, no word-level timestamps (only ~30s segment timestamps)
- Runs 100% offline in WebAssembly — audio never leaves the device

**Premium cloud (AssemblyAI + Whisper Large):**
- Model: AssemblyAI Universal-2 + Whisper Large v3 (float32, server GPU)
- Accuracy: >95% WER on clean speech, >90% with background noise
- Speed: ~2 min GPU time per 1h of audio
- Diarization: up to 30 speakers
- Word-level timestamps: yes
- Sentiment analysis, summarization, entity detection: available
- Supported languages: 20+ (excellent for Portuguese Brazil)

**File limits:**
- Free browser: max 30 min per session
- Premium AssemblyAI: up to 5GB, 10 hours
- Premium ElevenLabs: up to 4GB, 12 hours
- Premium Whisper: up to 25MB (auto-chunked if larger)

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## Silo Pages (SEO Landing Pages)

### By Format
- [MP3 to text](https://www.voxscriber.com/formatos/mp3-para-texto)
- [MP4 to text](https://www.voxscriber.com/formatos/mp4-para-texto)
- [WAV to text](https://www.voxscriber.com/formatos/wav-para-texto)
- [OPUS to text](https://www.voxscriber.com/formatos/opus-para-texto)
- [M4A to text](https://www.voxscriber.com/formatos/m4a-para-texto)

### By Use Case
- [WhatsApp audio transcription](https://www.voxscriber.com/whatsapp/transcrever-audio-whatsapp)
- [Zoom meeting transcription](https://www.voxscriber.com/reunioes/transcrever-reuniao-zoom)
- [Google Meet transcription](https://www.voxscriber.com/reunioes/transcrever-google-meet)
- [Auto-generate meeting minutes](https://www.voxscriber.com/reunioes/gerar-ata-de-reuniao)
- [Transcribe YouTube videos](https://www.voxscriber.com/youtube/transcrever-video-youtube)
- [Generate SRT subtitles](https://www.voxscriber.com/ferramentas/gerar-legenda-srt)
- [Extract audio from video](https://www.voxscriber.com/ferramentas/extrair-audio-de-video)

### By Profession
- [Lawyers / legal](https://www.voxscriber.com/advogados)
- [Physicians / medical](https://www.voxscriber.com/para-medicos)
- [Journalists](https://www.voxscriber.com/para-jornalistas)
- [Podcast transcription](https://www.voxscriber.com/transcricao-podcasts)

### Comparisons
- [Otter.ai alternative](https://www.voxscriber.com/comparar/alternativa-ao-otter)
- [Tactiq alternative](https://www.voxscriber.com/comparar/alternativa-ao-tactiq)
- [Best Portuguese transcription](https://www.voxscriber.com/comparar/melhor-transcritor-portugues)
- [Whisper vs AssemblyAI](https://www.voxscriber.com/comparar/whisper-vs-assemblyai)

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## Company

Flam Serviços em TI Inova Simples (I.S.)
CNPJ: 62.341.783/0001-24
Av. Desembargador Moreira, 1300 — Sala 1001
Aldeota, Fortaleza/CE, CEP 60170-002, Brazil

Domains: vozparatexto.com.br (pt-BR) · vozparatexto.pt (pt-PT) · voxscriber.com (en) · voix2texte.fr (fr)
About: https://www.voxscriber.com/sobre

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## Directory Listings & Profiles

Listed, reviewed and verified on:

- [Instagram](https://www.instagram.com/vozparatexto)
- [LinkedIn (VozParaTexto)](https://www.linkedin.com/company/vozparatexto)
- [LinkedIn (VoxScriber)](https://www.linkedin.com/company/voxscriber)
- [Product Hunt](https://www.producthunt.com/products/voxscriber)
- [SaaSHub](https://www.saashub.com/voxscriber-alternatives)
- [AlternativeTo](https://alternativeto.net/software/voxscriber/about/)
- [Trustpilot](https://www.trustpilot.com/review/voxscriber.com)
- [F6S](https://www.f6s.com/software/voxscriber)
- [Wellfound](https://wellfound.com/company/voxscriber)
- [Wikidata](https://www.wikidata.org/wiki/Q140134920)
- [SourceForge](https://sourceforge.net/software/product/VoxScriber/)
- [StackShare](https://stackshare.io/voxscriber-ai-audio-video-transcription)
- [TheJoAI](https://thejoai.com/ai-tools/voxscriber/)
- [Capterra](https://www.capterra.com/p/10044493/VoxScriber/)
- [GoodFirms](https://goodfirms.co/software/voxscriber)

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## Research & Original Data

- [State of Transcription in Brazil 2026](https://www.vozparatexto.com.br/pesquisa/transcricao-brasil-2026)

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*Full reference — last updated: 2026-09-06*