Capsai Auto‑Subtitle Generator at No. 1
use Capsai’s AI‑powered subtitle workflows to produce accurate, styled captions for YouTube and Reels in seconds.

• Upload your video at https://capsai.co/auto-subtitle-generator
• Click “Auto‑Subtitle,” select your source language and target captions language
• Choose a styling preset (e.g. “Bold Pop‑Up” or “Clean Minimal”)
• Preview, adjust timing inline and export SRT or burn‑in MP4

Descript
generate transcripts and captions together with filler‑word removal.

• Import video → Generate transcript
• Open the “Captions” tab → Auto‑generate captions
• Tweak text or drag handles to adjust timing
• Export as SRT, VTT or embedded burned captions

VEED.io
all‑in‑one online editor with subtitle translation and styling.

• Go to https://www.veed.io and upload your clip
• Open “Subtitles” → Click “Auto‑Subtitle”
• Under “Translate,” pick any language for dual‑language reels
• Customize font, color, size under “Style” → Export MP4 or SRT

Kapwing
quick web tool for auto‑captions and custom styling.

• Visit https://www.kapwing.com → Upload video
• Click “Subtitles” → Auto‑Generate
• Use the timeline to split or merge caption segments
• Hit “Export Video” or download .SRT

Happy Scribe
AI subtitle service with high accuracy and speaker detection.

• Sign up at https://www.happyscribe.com → New Transcription → Upload file
• Select “Subtitle” output format and language
• Use the editor to adjust line breaks and speaker labels
• Download VTT, SRT or directly burn into MP4

Zubtitle
automated subtitle tool built for social clips.

• Go to https://zubtitle.com → Create New Project
• Upload horizontal or vertical video
• Zubtitle auto‑detects speech and places captions in safe zones
• Export with pre‑set aspect ratios for YouTube or Instagram

Trint
cloud‑based transcription with collaborative caption editing.

• Upload video at https://trint.com
• Wait for AI to generate captions, then use the “Captions” view
• Edit in‑place, add speaker names and adjust timestamps
• Export SRT, VTT or embedded closed‑captions

Rev AI
developer API for real‑time subtitle generation and customization.

• Sign up at https://www.rev.ai and grab your API key
• Send POST to /speechtotext/jobs with media_url and webhook_url
• Poll the job or receive callback → Fetch captions in JSON or SRT
• Parse and style within your own player or burn‑in via FFmpeg

Pick the tool that matches your workflow - each one delivers speedy, accurate AI subtitles for both YouTube uploads and vertical Reels!