Subtitle Downloader (Chrome/firefox extension)
Subtitle Downloader is the ultimate web extension to extract subtitles for storage, Blu-rays, or language learning. Say goodbye to manual searches! In just one click, download and convert subtitles (SRT, VTT, ***) from any video. You can even batch download an entire season instantly. It works natively on Netflix, Disney+, Prime Video, and YouTube, plus seamlessly on any other site with a video player (Dailymotion, Coursera, etc.). landing page: https://subtiltee.com/subtitle-downloader
Productivity · Founded 2025 · France
- Productivity
- Content Creation
- Education
- Entertainment
Can you vibecode this?
Yes
A browser extension with subtitle parsing, format conversion, batch download, and a Stripe paywall is pure code. The hardest parts — intercepting DASH/HLS streams and reassembling fragmented subtitles — are tricky but well within one builder's reach.
The business
Total revenueEstimated from public sources and the business’s own reporting, not independently verified.
$4K+
Verified recently
Monthly revenueEstimated from public sources and the business’s own reporting, not independently verified.
$1K+/mo
↑ Growing · 60-day average
Peak month
~$1K
Best single month
Growth
~3×
Early months vs recent
Profit margin
95%
For owners
Own Subtitle Downloader (Chrome/firefox extension)? List it for sale.
Founders read this page looking for a business to build like your $1K+/mo one — some would rather buy one that already works. They skip the line, you get a clean exit. $25 one-time, no commission.
Why it works
Value proposition
Downloads subtitle files from any streaming or video site in one click.
Problem
Finding and extracting subtitles manually through dev tools is slow and technical.
Audience
Language learners, translators, creators and archivists who need subtitle files.
Business model
Free tier with a monthly download cap; monthly, yearly or lifetime Premium lifts the limit.
Can you vibecode this?
Yes
A browser extension with subtitle parsing, format conversion, batch download, and a Stripe paywall is pure code. The hardest parts — intercepting DASH/HLS streams and reassembling fragmented subtitles — are tricky but well within one builder's reach.
Moat
- Switching costs
- Brand & trust
- Proprietary technology & IP
Why people pay Subtitle Downloader (Chrome/firefox extension)
6,800 users with reviews on Chrome, Firefox, and Edge stores create visible social proof a fresh copy lacks. The universal DASH/HLS reassembly engine and 24+ format handling represent hard-won technical work that a new clone must rebuild and prove reliable.
Product complexity
ModerateThe core product is a browser extension, but a web app handles accounts, billing and download limits.
Data
LowSubtitles are read live from the streaming page the user already has open.
Integrations & infrastructure
LowNo third-party API connections are required beyond Stripe for billing.
Human operations
LowOngoing platform updates are developer work, not a separate operational layer.
Regulation / hardware
LowNo regulated activity or licensed content is involved in the subscription offer.
Build this business
Use the build specification below with any AI coding tool, or build it directly with Leapd.
Build This with Leapd →Leapd builds
- Web app with accounts, download tracking and quota enforcement
- Monthly, yearly and lifetime Premium plans with Stripe
- Chrome's built-in AI (Gemini Nano) connection
- A landing page
Leapd runs
- Cold email outreach to potential customers
- Meta ads
- LinkedIn and X posts
- SEO and AI-search visibility
- A daily report of what shipped
Opportunity check
- Passes: Proven market: $1K+/mo already paid for it
- Passes: Proven model: Free tier (20 downloads/month); monthly, yearly or one-time lifetime Premium, 95% margin
- Passes: Proven need: Video watchers need subtitles downloaded instantly
- Passes: Buildable: Leapd builds it end to end
Build a web app that manages accounts, download quotas and billing for a subtitle downloading tool.
Product:
- User accounts with sign-in, used to track download counts and plan status across sessions
- Customer dashboard showing current plan, monthly download usage and remaining quota
- Free plan allowing 20 subtitle downloads per month on streaming platforms, with unlimited YouTube downloads
- Premium plan that removes the monthly download cap and unlocks all features
- Built-in subtitle editor for fixing sync, removing tags and correcting text before download
- Quota enforcement logic that blocks downloads once the free monthly limit is reached and prompts upgrade
Billing:
- Monthly, yearly and one-time lifetime Premium plans charged with Stripe; free plan requires no card
Integrations:
- Chrome's built-in AI (Gemini Nano) connected via its API for on-device subtitle translation
Business details
- Founded
December 2025
Less than a year old
- Country
France
- Audience
Botheverybody that needs subtitles (language learner, pro transcriptor/translator...
- Domain ratingStrength of the website's backlink profile, from 0 to 100.
6 / 100
050100
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Questions
How much revenue does Subtitle Downloader (Chrome/firefox extension) make?
Subtitle Downloader (Chrome/firefox extension) has made $4K+ in revenue to date and brings in $1K+/mo, with its best month around $1K.
How does Subtitle Downloader (Chrome/firefox extension) make money?
Subtitle Downloader (Chrome/firefox extension) sells Premium subscriptions and a lifetime plan that remove the free tier's monthly download cap on streaming platforms.
Is Subtitle Downloader (Chrome/firefox extension) profitable?
Yes. Subtitle Downloader (Chrome/firefox extension) reports a 95% profit margin.
Is Subtitle Downloader (Chrome/firefox extension) growing?
Yes. Revenue has been rising over the last 3 months. Since its early months, monthly revenue has grown about 3×.
Can you vibecode a business like Subtitle Downloader (Chrome/firefox extension)?
Yes, with Leapd. It builds the product, then helps you find customers with outreach, ads and SEO. See the build spec →
Ready to build it?
The market is proven. The opportunity is real. Build your version with Leapd.
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