01Phase 01
1. Type or Paste Spoken Script
Enter or paste your voiceover script, notes, or dialogue directly into the studio workspace with instant word count and duration estimates.
Free Text to Speech and Article to Audio Reader
Convert text into natural spoken audio in your browser. Fast local SpeechSynthesis engine with pitch, tempo rate controls, and WebVTT/SRT subtitle export.
Speech Speed1.00x
Voice Pitch1.00
Sentence Pause0.40s
CleanDoc™ De-Noiser:
Source Document / Text
0 charsCleaned Spoken Script
Noise Excluded0 words·0:00 est.
Type, paste text, or load a sample on the left
Cleaned spoken sentences will appear here for auditioning
0:00/0:00
100% browser-local processing · Zero files uploaded to any server
Voice Synthesis Guide · Architecture
Voice synthesis architecture in browser memory
How our studio synthesizes natural human intonation and exports broadcast masters.
02Phase 02
2. Voice, Speed & Cushion Tuning
Choose from natural system voices, adjust playback rate from 0.5x to 2.0x, and fine-tune sentence-level pause cushions for realistic conversational cadence.
03Phase 03
3. Live Audition & Subtitle Export
Audition individual sentences with synchronized karaoke highlighting and export synchronized WebVTT, SRT subtitles, and formatted cue scripts.
Audio Standards & Research
Engineering guides & deep-dive workflows
Explore the acoustic principles, speech synthesis prosody, and document reading workflows.
Speed Changer6 min read
How to Change Audio Speed Without Making Speech Hard to Follow
Time-stretch algorithms vs tape-speed resampling: how pitch-preserving phase vocoders keep speech intelligible at varied playback speeds.
Online Audio Editor7 min read
Audio Editor Online: How to Make Clean, Reversible Speech Edits
The browser-local speech editing methodology: working in local memory, auditing splice cuts before export, and maintaining raw source masters.
Linguistics6 min read
What Is a Natural Pause? A Creator’s Guide to Editing Speech
The 4 types of speech pauses: semantic punctuation, breath cycles, cognitive retrieval, and dead air. How to protect conversational rhythm.
Connected finishing workflows
Explore companion utilities for document narration, PDF extraction, and loudness mastering.
Frequently asked questions
Technical details regarding browser speech synthesis, markdown parsing, and audio export.
Is this Text to Speech tool completely free without word limits?+
Yes. AutoSilenceCut operates 100% locally in your browser. There are no monthly character caps, credit limitations, or paywalled audio download restrictions.
Can I download the generated voice audio as a WAV file?+
Yes. You can export uncompressed 16-bit PCM RIFF WAV master files (MP3 export is not available), WebVTT (.vtt) subtitles, SubRip (.srt) subtitle tracks, and Audacity label cue sheets with a single click.
How does the Sentence Audition feature work?+
Every sentence in your script is parsed into an interactive card with its own play button. You can click 'Audition Sentence' to preview individual lines and verify pronunciation before exporting the complete audio file.
Does this tool work on mobile devices and tablets?+
Yes. The studio layout is fully responsive and leverages native browser speech synthesis on iOS, iPadOS, Android, macOS, Windows, and Linux.
Workflow Mesh
Complementary Speech & Text Tools
Convert text, articles, and image OCR into natural spoken audio.
PDF Reader
Open tool→PDF to Audio Exporter
Extract and convert multi-page PDF documents into audiobooks.
Audio Exporter
Open tool→Image to Audio Exporter
Extract text from photos and screenshots and export lossless audio.
Tempo
Open tool→Audio Speed Changer
Adjust spoken tempo from 0.5x to 2.0x without changing vocal pitch.
LUFS Leveler
Open tool→Audio Volume Normalizer
Level speech volume to standard -16 LUFS podcast broadcast loudness.