captions

Modern media captions parser and renderer (~5kB). Supports VTT, SRT, and SSA. Works server side, supports text streams, rollup captions via VTT regions, customization via CSS, and more.

captionsjavascriptparsersrtssassr

MIT License

Created on Mar 26, 2023

Updated on Mar 30, 2026

Stars

140

Forks

16

Watchers

140

Open Issues

3

Repository Health Score

🧡

55/100

Fair

Overall repository health assessment

Score Breakdown

Activity

Regular updates - updated this month

20/30

67%

Issues Analytics

6

Total Issues

All time

2

Open

33% of total

4

Closed

Recent Commits

chore: use git-cliff to generate changelog

Rahim Alwer•1 year ago

95eea28View on GitHub

chore(release): v1.0.4@next

Rahim Alwer•1 year ago

563e110View on GitHub

fix: add main field to package.json

Duc Nguyen•1 year ago

452fa16View on GitHub

chore(release): v1.0.3@next

Rahim Alwer•2 years ago

044ccd4View on GitHub

fix: add `jsdelivr` key to package

Rahim Alwer•2 years ago

adc57e0View on GitHub

chore(release): v1.0.2@next

Rahim Alwer•2 years ago

ec123f7View on GitHub

fix: webpack parse error in regions anchor calc

Rahim Alwer•2 years ago

77d7c41View on GitHub

chore(release): v1.0.1@next

Rahim Alwer•2 years ago

13e8f61View on GitHub

fix: ensure default bundles are ssr-friendly

Rahim Alwer•2 years ago

d92cbfeView on GitHub

chore: update version badge in readme

Rahim Alwer•2 years ago

5370aa4View on GitHub

chore: release v1.0@next

Rahim Alwer•2 years ago

c5ba0e9View on GitHub

fix: rename `part` attribute to `data-part`

Rahim Alwer•2 years ago

e608998View on GitHub

chore(release): 0.0.18

Rahim Alwer•2 years ago

7a471b7View on GitHub

fix: avoid mangle collisions

Rahim Alwer•2 years ago

e5fff42View on GitHub

chore(release): 0.0.17

Rahim Alwer•2 years ago

035c990View on GitHub

View all commits

subtitles

typescript

vtt

webvtt

Community

140 stars, 16 forks

0/30

0%

Documentation

Has description, license

15/20

75%

Maintenance

2.1% issue ratio

20/20

100%

Health score is calculated based on activity, community engagement, documentation quality, and maintenance practices

Languages

TypeScript

93.9%

CSS

3.1%

JavaScript

2.1%

HTML

0.9%

Dependencies16 total

0

Production

16

Development

Development Dependencies (16)

@ianvs/prettier-plugin-sort-imports^3.7.0

acorn^8.8.2

acorn-walk^8.2.0

conventional-changelog-cli^4.1.0

Top Contributors

1

mihar-22

User

69

commits

2

danestves

User

1

commits

3

hellovietduc

User

1

commits

Languages

TypeScript

93.9%

CSS

3.1%

JavaScript

2.1%

HTML

0.9%

Issues Analytics

6

Total Issues

All time

2

Open

33% of total

4

Closed

Dependencies16 total

0

Production

16

Development

Development Dependencies (16)

@ianvs/prettier-plugin-sort-imports^3.7.0

acorn^8.8.2

acorn-walk^8.2.0

conventional-changelog-cli^4.1.0

esbuild^0.18.1

git-cliff^1.4.0

magic-string^0.30.0

prettier^2.8.4

rimraf^4.4.1

rollup^3.25.1

rollup-plugin-esbuild^5.0.0

tslib^2.5.0

typescript^5.0.0

undici^5.21.0

vite^4.2.0

vitest^0.29.0

media-captionsv1.0.4

67% of total

3w

Avg Close Time

Avg response

Issues Activity: Last 6 months

Hottest Issues

1

#8 lose subtitle in SRT when minutes less than 2 digits

2

closed

2

#9 Cloudflare serves .srt files with the application/x-subrip header, not text/srt as default, which causes vidstack to not render the subtitles

1

closed

3

#7 Duplicate Captions Rendered from Segmented WebVTT in HLS Streams

1

closed

4

#6 Any CEA-608/708 roadmap?

0

open

5

#4 `renderVTTTokensString` does not pass currentTime to recursive call

0

open

Top Contributors

1

mihar-22

User

69

commits

2

danestves

User

1

commits

3

hellovietduc

User

1

commits

Recent Commits

chore: use git-cliff to generate changelog

Rahim Alwer•1 year ago

95eea28View on GitHub

chore(release): v1.0.4@next

Rahim Alwer•1 year ago

563e110View on GitHub

fix: add main field to package.json

Duc Nguyen•1 year ago

452fa16View on GitHub

chore(release): v1.0.3@next

Rahim Alwer•2 years ago

044ccd4View on GitHub

fix: add `jsdelivr` key to package

Rahim Alwer•2 years ago

adc57e0View on GitHub

chore(release): v1.0.2@next

Rahim Alwer•2 years ago

ec123f7View on GitHub

fix: webpack parse error in regions anchor calc

Rahim Alwer•2 years ago

77d7c41View on GitHub

chore(release): v1.0.1@next

Rahim Alwer•2 years ago

13e8f61View on GitHub

fix: ensure default bundles are ssr-friendly

Rahim Alwer•2 years ago

d92cbfeView on GitHub

chore: update version badge in readme

Rahim Alwer•2 years ago

5370aa4View on GitHub

chore: release v1.0@next

Rahim Alwer•2 years ago

c5ba0e9View on GitHub

fix: rename `part` attribute to `data-part`

Rahim Alwer•2 years ago

e608998View on GitHub

chore(release): 0.0.18

Rahim Alwer•2 years ago

7a471b7View on GitHub

fix: avoid mangle collisions

Rahim Alwer•2 years ago

e5fff42View on GitHub

chore(release): 0.0.17

Rahim Alwer•2 years ago

035c990View on GitHub

View all commits

GitHub Explorer

captions

Score Breakdown

Development Dependencies (16)

Development Dependencies (16)

Issues Activity: Last 6 months

Hottest Issues