Open any FCS file, draw gates, apply compensation, and export results —
fast, offline, no subscription.
Free 15-day trial · No account required · Windows 10/11 + macOS (Apple Silicon & Intel)
Free in-browser tools — no install, no account
Drop an FCS file, pick channels, download CSV. Works for FCS 2.0 / 3.0 / 3.1 / 3.2 from any cytometer. 100% in your browser.
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Inspect FCS keywords, channels, compensation matrix without installing anything. Useful for diagnosing acquisition issues or sharing file structure with collaborators.
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Run a full integrity check on an FCS file. Catches the structural and keyword problems that make flowCore or R reject a file — including the BD FACSDiva "$SPILLOVER size discrepancy" error.
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Files stay on your computer — all three tools parse locally via the same engine as FlowVision desktop.
Features
Built by a flow cytometry scientist for flow cytometry scientists. Every feature was requested by real users at the bench.
What's included
One license — every feature listed below, today and in all v1.x updates.
Free Trial
Free 15-day trial — no account required, no credit card.
Roadmap
Pricing
One payment, yours forever. Founder pricing for the first 20 buyers; Early Adopter and Standard tiers open as the Founder tier fills.
FAQ
Changelog
Every update is free for all v1.x license holders.
