Boost engagement by adding AI-generated subtitles to your Reels. Professional word-by-word captions in seconds. Free to start!
Captioned Reels keep viewers watching longer and drive more likes, comments, and shares.
Subtitles make your content accessible in any language, expanding your potential audience worldwide.
Make your content inclusive for deaf and hard-of-hearing viewers. Instagram rewards accessible content.
Upload your Instagram Reel video (MP4, MOV). Supports up to 2GB files.
WhisperX transcribes with perfect accuracy. Download portrait ASS or SRT subtitles.
Import subtitles into CapCut or Premiere, burn them in, and post your captioned Reel.
Upload your Reel video to FastCaption, let AI transcribe it, then download the ASS or SRT subtitle file. Import it into your video editor (CapCut, Premiere Pro, etc.), burn the subtitles in, and upload to Instagram.
Instagram doesn't support uploading separate subtitle files. You need to burn the subtitles into the video itself. FastCaption's ASS export with styled word-by-word effects makes your Reels look professional when burned in.
Yes! Studies show that Reels with captions get up to 40% more watch time and significantly higher engagement. Most users browse Instagram with sound off.
Free 5,000 credits to start (≈25 min). Additional credits from ฿49 — cheapest in the market. No subscription.
อัปโหลดวิดีโอ Reels ใน FastCaption ดาวน์โหลดไฟล์ ASS หรือ SRT ใส่ใน CapCut หรือ Premiere Pro แล้วอัปโหลดขึ้น Instagram ได้เลย