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SingleFile
A browser extension that captures entire web pages into self-contained HTML files, preserving all CSS, images, and formatting without requiring an internet connection
verified Jul 12, 2026 · HTTP 200
CohortClass of 2026What it is
A browser extension that captures entire web pages into self-contained HTML files, preserving all CSS, images, and formatting without requiring an internet connection. Features include batch tab saving, auto-save capabilities, unused code removal, and the ability to embed lazy-loaded images without scrolling through the page.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y