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From recording to ready to post

AI Caption Generator for Short Videos

Upload a video with speech. CaptionBolt generates editable, styled captions and keeps the original framing. Review the words, resize or trim if needed, then export.

No credit card required · 10 processing minutes free each month · all 308 caption styles

CaptionBolt Editor showing a captioned vertical video and the live caption style library

308 caption styles

Included on every plan

Original by default

Resize or trim only when needed

MP4 + subtitle files

Available formats depend on your plan

A shorter path to publish

From upload to captioned video in three clear steps

CaptionBolt handles transcription, timing, and caption styling first. Review the words and framing, then open Resize or Trim only when the video needs them.

01

Captions

Get editable AI captions when you upload

Speech becomes timed captions. Before export, you can correct the words, split or merge lines, change the style, and preview the result.

02

Framing

Keep the composition you recorded

Every new project preserves the source aspect ratio. Resize to 9:16, square, 4:5, or 16:9 when needed.

03

Optional step

Trim only when the take needs it

Remove an unusable beginning or ending without learning a full timeline. Trim stays off until you choose it.

Upload one video with speech. Check the result before deciding whether it needs anything else.

Generate AI captions free

The live style catalog

Find a caption style that feels like yours

Browse 308 styles across six distinct families. Preview each one in motion, then adjust the font, color, placement, and emphasis in the editor.

Caption style families

More control when you need it

Finish the video without learning a full editor

Keep captions at the center. Add a stronger opening, visual context, reusable branding, or publishing copy only when this video needs it.

Cover

Build a stronger first frame

Choose from 20 templates and generate three editable copy options in one of six tones. Cover stays off until you enable it.

Explore Cover and headlines

Smart B-Roll

Add visual context without searching a timeline

Start with transcript-matched suggestions, search Pexels, or upload your own media. Then review the timing, layout, and transitions.

Explore the finishing toolkit

Brand tools

Reuse the look you already approved

Start with a built-in Video Template, or save your caption style, canvas, Logo, and Progress Bar settings for the next video.

Explore Video Templates

Prepare to publish

Draft the post that goes with the video

Create editable post copy for TikTok, Instagram Reels, and YouTube Shorts, then export the video and files included with your plan.

Explore Social posts

Optional AI actions use processing minutes. You see the exact cost before each action, and every result remains editable.

For videos that drive the business

Publish often. Edit less.

CaptionBolt is built for recurring videos with spoken content, where clear words, consistent presentation, and reliable delivery matter more than a complex timeline.

Experts who publish often

Coaches, consultants, educators, course creators, and personal brands can turn recorded expertise into polished social videos.

Small teams producing repeat content

Social media managers, VAs, freelancers, and small content teams can keep client output consistent without rebuilding every setup.

Plans for your publishing pace

Start free. Upgrade when volume grows.

Every plan includes the full editor. Choose based on how many processing minutes you need and which files you need to deliver.

Paid plans start at $9/month

Compare all plans

Every plan includes

The full editor, all 308 caption styles, Cover, B-Roll, Brand tools, and Social posts.

Plans scale by

Processing minutes, per-upload Video and Transcript limits, upload size, watermark, output quality, file formats, processing priority, and concurrent jobs.

CaptionBolt AI caption generator FAQ

Know what to expect before you upload

Straight answers about AI captions, editing, the Free plan, optional tools, and exports.

CaptionBolt turns speech into timed, editable captions, applies a caption style, and keeps the source framing by default. Review the words and composition, resize or trim if needed, then export.

Your next video

Create your next captioned video with CaptionBolt

Start with editable AI captions and your original framing. Review the result, make only the changes it needs, and export.