Your files stay on your device
File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.
How we handle your dataSpeed and latency
Bufferbloat Test
Compare idle latency with latency while downloading and uploading to see whether your connection lags under load.
Loading the test…
Was this tool useful?
More in Speed and latency
Internet Speed TestMeasure download, upload, latency and jitter to the nearest test server, with latency under load and what your connection is likely enough for.Download Speed TestMeasure only download speed and idle latency. Uses less data than the full test.Upload Speed TestMeasure upload speed and latency while uploading, for video calls, streaming and cloud backups.Ping Test — latency and jitter to the nearest serverMeasure HTTP request latency and jitter to the nearest test server. This is not an ICMP ping.Internet Stability TestRun several short tests in a row and see the spread of speed and latency. Up to five runs while this tab is open.Live Ping Monitor — latency over timeWatch latency and jitter to the nearest test server second by second while this tab is open, with drops and spikes marked.Wi‑Fi vs Ethernet TestRun a speed test on Wi‑Fi and again on a cable (or in another room), then compare the two results side by side.