PulseGatePost-LLM software, agents & workflows market (since 2022)
Coverage
171,275

Apps indexed

 

Freshness
40 min ago

Last update

 

Cadence
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7-day average

Indexed today: 366

PulseGate

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ffsubsync
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ffsubsync

smacke.net·Video editing

ffsubsync is a web-based tool that allows users to synchronize subtitle files with video or reference subtitles directly in their browser. It processes files locally using WebAssembly, supports multiple subtitle formats, and ensures privacy by not uploading any data. Ideal for video editors and movie enthusiasts.

FreeMIT
WebCloud-managed
F
ffsubsync preview
Visit smacke.net↗
⭐7.8k
stars
🍴320
forks
✓6
features
📅2019
since

Overview

6 features

ffsubsync is a Video editing product. It focuses on synchronizing out-of-sync subtitle files with video or reference subtitles easily in-browser. ffsubsync is a consumer product aimed at video editors, content creators, movie enthusiasts. ffsubsync costs nothing to use. It runs on the web.

It is developed by smacke, and the product first shipped in 2019. The project is developed in the open on GitHub with 7.8k stars and 53 commits in the last 90 days. Across PulseGate's embedding index, ffsubsync has few near neighbours, marking it as relatively distinct. Among its 6 catalogued features are subtitle synchronization, in-browser processing, and no uploads.

  • ✓Subtitle synchronization
  • ✓In-browser processing
  • ✓No uploads
  • ✓SRT/ASS/SSA support
  • ✓Video/audio file support
  • ✓Download synced subtitles

Tags

subtitle-syncwebassemblyin-browserno-uploadsrt-support

Built with & integrations

Hosting
cloudflare
Runs on
BrowserCloud-managed

Trust & compliance

LicenseMIT
Verified signals
✓ HTTPS✓ Free tier✓ GitHub · ★ 7.8k✓ Active maintenance

Recent events

Latest indexed changes and source events

  1. IndexedJul 14, 7:13 PM

    Show HN: Automagically synchronize subtitles with video, in-browser clientside discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about ffsubsync

What is ffsubsync?
Ffsubsync focuses on synchronizing out-of-sync subtitle files with video or reference subtitles easily in-browser. It is catalogued under Video editing on PulseGate.
Who should use ffsubsync?
ffsubsync is a consumer product built for video editors, content creators, movie enthusiasts.
Does ffsubsync have a free plan?
Yes — ffsubsync is free to use.
What platforms does ffsubsync run on?
ffsubsync runs on the web.
Is ffsubsync still active?
PulseGate's automated liveness checks currently classify ffsubsync as active. The GitHub repository shows 53 commits in the last 90 days.
Who develops ffsubsync?
ffsubsync is developed by smacke.
How long has ffsubsync been around?
ffsubsync first shipped in 2019.
Is ffsubsync open source?
ffsubsync has a public GitHub repository.

At a glance

Platforms
Web
Languages
English
Open source
Yes · ★ 7.8k
License
MIT
First seen
Jul 14, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
video editors, content creators, movie enthusiasts
Model
B2C
Solves
Synchronizing out-of-sync subtitle files with video or reference subtitles easily in-browser.

Developer

smacke
Team
↗ GitHub

Open source

View on GitHub →
⭐ Stars
7,787
🍴 Forks
320
Open issues
69
Last commit
today
Commits 90d
53
Contributors
20
Authorship
Team
Default branch
master
Latest release
0.5.0 · 4w ago

PulseGate index

Confidence
High · 96
Indexed
Jul 14, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
today
Freshness
Unknown
Identity audit (9)
Entity ID
cmrl15a780wcnwzy6o73adnzm
Slug
show-hn-automagically-synchronize-subtitles-with-video-in-b-smacke-net
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 14, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 14, 2026
Canonical URL
https://smacke.net/ffsubsync

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