VoiceIndex AI Blog

Practical guides for AI voiceovers, speech-to-text, SRT subtitles, subtitle translation, and browser-based audio workflows.

Start by workflow

YouTube voiceover workflowCreate narration for tutorials, reviews, explainers, Shorts, and channel intros. TikTok and Shorts voiceover workflowTurn hooks, product scripts, and short social narration into downloadable MP3 audio. YouTube AI voice libraryCompare voices built for narration, explainer videos, product demos, and creator channels. Video to SRT subtitle workflowGenerate captions after the voiceover or edit is locked, then export standard SRT subtitles.
Featured AI voice profiles Browse all 600+ voices
Jenny AI VoiceFriendly English narration for tutorials, list videos, and creator voiceovers. Aria AI VoicePolished English explainer voice for product demos and software walkthroughs. Guy AI VoiceSteady English male narration for guides, reviews, and business content. Christopher AI VoiceMeasured English male voice for longer educational and documentary-style scripts. Andrew DragonHD AI VoicePremium English long-form narration for audiobooks and deep-dive videos. Xiaoxiao AI VoiceClear Mandarin female voice for courses, short videos, and product narration. Xiaoxiao DragonHD AI VoiceHigh-fidelity Mandarin narration for polished videos and premium reads. Yunxi AI VoiceWarm Mandarin male voice for explainers, education, and general narration. Yunxi DragonHD AI VoicePremium Mandarin male voice for longer and more polished scripts. Nanami AI VoiceNatural Japanese female voice for learning content and narration tests. Keita AI VoiceJapanese male voice for lessons, explainers, and localized video audio. Aoi AI VoiceJapanese female voice for bright narration and creator workflows.
AI voiceover workspace for selecting narration voices AI Voice Picks

Best AI Voices for YouTube Narration: Jenny, Aria, Guy, Andrew, and Xiaoxiao Compared

Compare practical AI voices for YouTube narration, explainer videos, tutorials, Shorts, and product demos. See when to use Jenny, Aria, Guy, Andrew DragonHD, and Xiaoxiao.

2026-07-06|10 min read
 AI voice tool comparison interface AI Voice Tools

ElevenLabs Alternatives for AI Voiceovers, Chinese TTS, and Subtitle Workflows

Compare ElevenLabs alternatives for AI voiceovers, Chinese text to speech, subtitle export, and creator workflows. Learn when to use VoiceIndex AI for browser-based TTS and transcription.

2026-05-22|10 min read
 Short video AI voiceover workspace AI Voiceover

How to Make AI Voiceovers for Short Videos: Script, Voice, Speed, and Export Workflow

A practical workflow for making AI voiceovers for TikTok, YouTube Shorts, Reels, and course clips. Prepare scripts, choose voices, preview speed, and export audio for editing.

2026-05-31|6 min read
 AI voice naturalness troubleshooting screen TTS Quality

Why Does an AI Voice Sound Robotic? A Practical Checklist for More Natural Text to Speech

Fix robotic AI voiceovers by improving script punctuation, sentence length, voice selection, speed, pronunciation, and preview workflow.

2026-05-27|6 min read
 VoiceIndex AI video to SRT export panel Video to SRT

How to Convert MP4 Video to SRT Subtitles Online

Learn how to upload MP4, MOV, or other video files, transcribe speech, review captions, and export standard SRT subtitles for Premiere, Final Cut, CapCut, and YouTube.

2026-06-04|5 min read
 SRT subtitle file structure example Subtitle Basics

What Is an SRT Subtitle File? How to Open, Edit, and Import SRT

Understand the SRT subtitle format, timestamp structure, editing rules, and how to import SRT files into video editors and platforms.

2026-06-08|10 min read
 Subtitle tools interface for syncing, merging, and splitting SRT files Subtitle Workflow

Subtitles Out of Sync? Shift, Merge, and Split SRT Files

Learn how to fix subtitle timing, merge multiple SRT or VTT files, and split long subtitles into short-video clips with reset timestamps.

2026-06-08|8 min read
 Remove silence from audio tool interface Audio Editing

How to Remove Silence from Audio Online for Podcasts, Lessons, and Voice Recordings

Learn how silence removal works, which threshold settings to use, and how to trim long pauses from audio while keeping speech natural.

2026-06-08|10 min read
 Audio to video tool interface Audio to Video

How to Turn an Audio Recording into a Subtitle Video

A workflow for turning audio into a video with captions: transcribe audio, export SRT, create a cover or waveform video, and keep timing aligned.

2026-06-07|10 min read
 CapCut draft to SRT converter interface CapCut to SRT

How to Export SRT Subtitles from CapCut or Jianying Drafts

Learn how CapCut and Jianying store subtitle text in draft files and how to extract SRT or VTT subtitles from draft_content.json.

2026-06-08|8 min read
 AI subtitle translator interface Subtitle Translation

How to Translate SRT and VTT Subtitles with AI While Keeping Timestamps

Translate SRT or VTT subtitles with AI while preserving timestamps, numbering, and subtitle structure for bilingual video publishing.

2026-06-08|8 min read
 Words to time calculator interface Script Timing

How Long Does a 1000-Word Script Take to Read? Voiceover Duration Guide

Estimate script reading time and voiceover duration using words per minute, characters per minute, pacing, pauses, and content type.

2026-06-08|8 min read

Try the tools

Tool

Speech to Text / Video Subtitles

Upload audio or video, generate editable text, and export TXT, SRT, or VTT.

Speech to Text|Open now
 Tool

Text to Speech / AI Voiceover

Paste a script, pick a natural voice, and generate downloadable voiceover audio.

Text to Speech|Open now
 Tool

AI Voice Cloning

Clone from a short reference clip or use community presets for a consistent character voice.

Voice Cloning|Open now