Charles

Download a free trialVersion 5.0.2
Version 5.0.2
9 August 2025
Preserve scroll position when viewing the contents of a request or response that's in progress
Highlight rules can now be disabled
Highlight rules colours improved in dark mode
Minor UI improvements to macOS, Windows & Linux
HAR import: fix HTTP/3 imports
Build .msi files for Windows in addition to the .appx
Fix version update check when SOCKS proxy is enabled
Fix detection and handling of truncated responses from upstream
Fix .chlz importer to ignore dot files (so the zip can be easily created or modified on macOS)
Version 5.0.1

Download a free trialVersion 5.0.1
Version 5.0.1
15 May 2025
SSL: fix non standards compliant SSL certificates generated when proxying a self-signed certificate with a long expiry
Windows: fix issues installing SSL Root Certificates due to app sandboxing
HAR import: fix imports from Chrome omitting status
Fix bug which could cause a Charles settings file to become unreadable
Show startup logging in the Error Log
Version 4.6.8
16 March 2025
macOS: support iOS Simulator 17 & 18
Allow Charles 5 license keys to also work in Charles 4
Version 5.0

Download a free trialVersion 5.0
Version 5.0
12 March 2025
Modernised UI and look & feel with a focus on moden platform conventions and usability
Various UI enhancements: 
Filtering in lists in dialogs
Updated iconography
Improved dark mode support
Find within a single request / response
Improved undo/redo support in dialogs
Support for Apple Silicon and Windows on ARM
New .chlz session format for better compatibility and integration with other tools and workflows
Automatically regenerate expired SSL root certificates
macOS: support iOS Simulator 17 & 18
Version 5.0b18
7 March 2025
macOS: support iOS Simulator 17 & 18
Fix XML External Entity parsing vulnerability in Import/Export Settings (CVE-2018-19244)
Windows & Linux: UI improvements
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Download a free trialVersion 4.6.7
Version 4.6.7
30 July 2024
Fix hung connections consuming a lot of memory
Fix XML External Entity parsing vulnerability in Import/Export Settings (CVE-2018-19244)
Version 5.0b16
25 July 2024
Find: add find in requests and responses (in addition to the existing whole-session find)
Find in Session: layout fixes
Highlight rules: fix highlight rendering, and ensure text is visible on highlight background colour
EULA moved into the app to suit new Windows install style
Don’t reuse a remote SSL connection if the hostname has changed even if the IP address remains the same (not yet released in 5.0)
Fix hung connections consuming a lot of memory
Fix NegativeArraySizeException and ConcurrentModificationException
macOS: fix blank alert windows after sleep
Windows: tabs UI improvements
JSON tree viewer: show number of children in arrays
Sentence case in UI on Windows & Linux
Version 4.6.6

Download a free trialVersion 4.6.6
Version 4.6.6
25 March 2024
Backported proxying fixes from 5.0, including:
HTTP 2 bug fix for hung streams when a stream is reset
Don’t reuse a remote SSL connection if the hostname has changed even if the IP address remains the same (not yet released in 5.0)
Version 5.0b13
24 January 2024
Windows UI improvements including dark mode support by adopting FlatLaf
Various UI improvements
Bug fixes
Recover from "Timer already cancelled" error
Version 5.0b12
16 November 2023
SSL: automatically regenerate an expired Charles root certificate
Support for trusting SSL certificates on iOS 17 Simulator
Improvements to new .chlz session format
Support image viewer on request bodies
Tool settings can now be edited when the tool is disabled
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Download a free trialVersion 4.6.5
Version 4.6.5
18 October 2023
Support for trusting SSL certificates on iOS 17 Simulator
Version 5.0b11
7 July 2023
New saved session format .chlz
Improved performance pretty-printing HTML, CSS and JavaScript
Improved performance for text rendering
Split out encrypted hosts in the structure tree
Sequence table improvements, including improved sort indicators
Bug fixes
Version 5.0b10
12 June 2023
Fix checkbox cells in tables
Version 5.0b9
11 June 2023
UI improvements to tables including improved auto-sizing of columns
Bug fixes:
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Download a free trialVersion 4.6.4
Version 5.0b7
9 April 2023
First public beta of Charles 5
Overhauled UI and look & feel with a focus on moden platform conventions and usability
Filtering in lists in dialogs
Updated iconography , improved dark mode, and more to come.
Support for Apple Silicon and Windows on ARM
Java 17 under the hood
More to be added and announced
Version 4.6.4
4 April 2023
Bug fixes
Crash on macOS in file dialogs
Windows code-signing certificate updated.
Version 4.6.3
26 September 2022
Bug fixes
Java 11.0.17 update
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Download a free trialVersion 4.6.3
Charles is developed by XK72. All content is copyright 2022. Site design by Matthew Buchanan.

Download a free trialVersion 4.6.2
Version 4.6.2
6 July 2021
Bug fixes
Java 11.0.11
CLI improvements
Bearer authentication display improved
Copy cURL Request: quotes fixed for Windows
Fix NTLM authentication over H2
Fix DNS Spoofing for SSL to domain names that don't actually exist
Fix bug where some requests were incorrectly marked as mapped
macOS disabled text colours fixed
macOS: Improve "Install Charles Root Certificate in Java VMs" for new locations
macOS: Update "Install Charles Root Certificate in iOS Simulators" for new locations and database format
Version 4.6.1
Charles is developed by XK72. All content is copyright 2021. Site design by Matthew Buchanan.

Download a free trialVersion 4.6.1
Version 4.6.1
15 November 2020
Fixes Dark Mode support on macOS.
Version 4.6

Download a free trialVersion 4.6
Version 4.6
7 November 2020
New features and stability improvements
External DNS Resolver option (for overriding the system DNS with your own external DNS resolver)
Fix new SSL CA certificates to be compatible with iOS and macOS changes
Stability improvements on macOS, particularly around multi-monitor setups
Fix Install Charles Root Certificate in Java VMs option for Java 11
Improve display of hosts using TLS when a connection is made via IP rather than name
Version 4.5.6
15 January 2020
Bug fixes and fixed security vulnerability.
Custom SSL server certificate imports fixed
macOS: Security vulnerability fixed in Charles's system proxy settings helper tool (ProxyHelper)
An unauthorised application or user could communicate with Charles's ProxyHelper application to change your system proxy settings.
Thanks to Noah Tran and Csaba Fitzl for reporting this vulnerabilty, and to Christian at Obective Development for his great writeup of the general vulnerability.
Version 4.5.5
5 December 2019
Bug fixes and minor improvements.
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