Record a screen, window, or browser tab with optional shared audio through the browser permission prompt. Your source stays on this device.
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Choose a Screen capture file from your device.
Adjust the task-specific controls and review any browser capability warnings.
Process the file locally in this tab; no file bytes are sent to a server.
The output is reopened with a local format or playback check before download.
The generated bytes are reopened locally with the relevant media, archive, Office, font, or PDF parser. A structurally unreadable output is blocked instead of being offered under a misleading extension.
No. The file is opened with your browser's File API and processed by code running in your tab. You can confirm this yourself: open your browser's developer tools, watch the Network panel, and process a file — no request carries your file's bytes. See our How it works page for a step-by-step verification guide.
HateItAll uses the decoders and encoders installed with your browser and operating system. The tool checks capabilities at runtime and reports an unsupported combination instead of uploading the file or relabelling incompatible bytes.
Technical guidance, limitations, and safer workflows related to this tool.
An .mp4 or .webm extension names a container, not a quality level. The streams inside—and the browser or device that must decode them—are what determine compatibility and size.
7 min read · Reviewed August 2026
Record camera and microphone input locally and download a playback-verified clip.
Record microphone input with browser echo cancellation and noise suppression where available.
Resolution and bitrate presets re-encoded locally in real time, with before/after size reporting.