PyPI Stats
smacke

ffsubsync

Automagically synchronize subtitles with video.
PyPI GitHub
Downloads
Day
604
Week
2.9K
Month
13.3K
Stars
7.7K
Forks
315
Issues
74
Version
0.4.31

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
65
Popularity
79
Adoption
51
Community
35
How the maintenance status was determined
Last commit
161 days ago
Monthly downloads
13,347
Active
Activity within 30 days
• Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
13,347
Stars
7,680
Stars per 1k downloads
575.41
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
418
Month daily avg
445
Momentum
-6.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
• Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
MIT
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
163 days ago
Total releases
35
Releases/year
5.8
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
13
Monthly downloads
13,347
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
53
 
Issue Burden
9.6
per 1k stars
Discussions
2.3
per 1k stars
Fork Ratio
4.1%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 377
Windows 96
macOS 37

Python Versions

3.9
25.8% 128
3.13
24.7% 123
3.12
17.9% 89
3.14
17.7% 88
3.11
13.9% 69

Top Countries

1. US US
269
2. BR BR
42
3. DE DE
25
4. NL NL
17
5. TR TR
14
6. ES ES
13
7. AU AU
12
8. CL CL
10
9. HR HR
8
10. HK HK
7

Package Information

License
MIT
First Release
May 11, 2020
Last Release
5 months ago
Last Commit
5 months ago
Latest Version
0.4.31
Total Releases
35
Contributors
13
Open PRs
6
Archived
No
Author
Stephen Macke
Python Versions
3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Topics
subtitles video audio ffmpeg vad fft synchronization sync subtitle captions vlc vlc-media-player srt srt-subtitles voice-activity-detection speech-detection fast-fourier-transform alignment string-alignment caption
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links