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Proxelar vs Charles: catalog facts
Proxelar	Charles
Free Free and open source under the MIT licence.	Paid Commercial software with licences sold on the official site.
Windows, Command line	Windows, macOS, Linux
Handles HTTP, HTTPS and WebSocket traffic Replay and rewrite of requests, not just inspection	Shows full HTTP and HTTPS requests, responses and headers Works as a reverse proxy as well as a monitor
HTTPS interception requires trusting a local certificate Command-line focused rather than a full desktop GUI	Paid licence required HTTPS inspection needs certificate setup on the client
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.