ProxyPin - Open Source Capture
HTTP(S) Traffic Capture
Free
You can use it to intercept, inspect & rewrite HTTP(S) traffic, Support Flutter app traffic, ProxyPin is based on Flutter develop, and the UI is beautiful
and easy to use
Features
Mobile scan code connection: no need to manually configure WiFi proxy, including configuration synchronization. All terminals can scan codes to connect and forward traffic to each other.
Proxy Domain name filtering: Only intercept the traffic you need, and do not intercept other traffic to avoid interference with other applications.
Script: Support writing JavaScript scripts to process requests or responses.
Request rewrite: Support redirection, support replacement of request or response message, and can also modify request or response according to the increase.
Request mapping: Do not request remote services, use local configuration or scripts for response
Request Decryption: Configure AES decryption key to automatically decrypt HTTP message body
Request blocking: Support blocking requests according to URL, and do not send requests to the server.
Search: Search requests according to keywords, response types and other conditions
Others: Favorites, history, toolbox, etc.
more 1. Added HTML, CSS, and JS formatting with code highlighting;
2. Advanced repeat now supports specifying the time;
3. Added HAR file export for domain list;
4. Added quick share for remote devices;
5. Favorites support WebSocket message persistence;
6. Added guidance for remote script loading;
7. Optimized large text display in message body;
8. Fixed issue where custom read status was lost;
1.2.7 4 hr ago
1. Added request breakpoint feature, allowing modification of requests and responses before sending;
2. Added autocomplete suggestions for HTTP headers in request editor;
3. Added system proxy IP ignore settings for iOS;
4. Added system proxy enable/disable settings;
5. Added IPv6 support for Socks5 proxy;
6. Fixed an issue where proxy settings failed on macOS;
1.2.6 14 Mar
1. Added import/export for Favorites.
2. Added request decryption with configurable AES automatic body decryption.
3. Scripts can now be fetched from remote URLs and executed.
4. HTTP header view now supports switching between text and table modes.
5. Added a Request Params list view.
6. Add zlib decoding support
7. App filter list now includes an option to show system apps.
8. Updated JSON dark-theme colors for better visibility and appearance.
1.2.5 5 Feb
1. Added import/export for Favorites.
2. Added request decryption with configurable AES automatic body decryption.
3. Scripts can now be fetched from remote URLs and executed.
4. HTTP header view now supports switching between text and table modes.
5. Added a Request Params list view.
6. App filter list now includes an option to show system apps.
7. Updated JSON dark-theme colors for better visibility and appearance.
1.2.4 29 Jan
1. Added WebSocket request testing in the Toolbox.
2. Added support for data-reporting servers.
3. Added support for Server-Sent Events (SSE / event-stream).
4. Added the ability to save HTTP requests.
5. Request rewrite rules now support matching by HTTP method.
6. Fixed a sharing bug on iOS 26.
7. Various bug fixes and improvements.
1.2.3 25/12/2025
1. Script supports multiple URL matching;
2. Certificate installation detection guidance and automatic certificate installation;
3. Optimize menu UI;
4. Search supports protocol selection and filtering of time consumption range;
5. History records support image persistence;
6. About increasing sponsorship;
7. Fix large response body JSON Text preview lag;
1.2.2 29/10/2025
1. Add search highlight for message body;
2. Add preview for WebSocket message body;
3. Android ROOT system supports automatic installation of system certificates;
4. Socket auto cleanup to prevent resource occupation when exiting;
5. Adjust UI menu;
5. Fix script fetch API part request bug;
7. Fix incorrect HTTP2 packet size;
8. Fix request map bug;
9. Fix the bug that the history on the mobile side is not saved automatically;
1.2.1 23/09/2025
1. Added request mapping feature, allowing results to be returned without requesting a remote service；
2. Request list supports image preview；
3. Added copy original request；
4. Search now distinguishes between uppercase and lowercase letters；
5. Added Traditional Chinese localization；
6. Fixed HTTP2 Host issue；
7. Fixed Python requests copy issue;
1.2.0 18/08/2025
1. Support for HTTP2 protocol, which can be enabled in settings；
2. Support for zstd decode；
3. Added auto read marking；
4. Toolbox now supports AES encryption and decryption；
5. Fix some proxy forwarding failure issues
5. Fixed WebSocket parsing errors；
1.1.9 29/05/2025
1.Added app check update
2. Keyword highlighting supports persistence
3. Fixed TLS SNI inconsistency
4. Fixed the issue of IPV6 link establishment failure
5. Windows singleton window with built-in VCLib
6. Fixed Illegal IPv6 address issue
7. The script supports obtaining application directories, fixes byte response request exception issues, and supports executing multiple instances
8. Toolbox js fetch supports proxy
9. Fixed some curl import failure issues
1.1.8 23/04/2025
1. Added support for socks5 proxy, which can be turned off in settings；
2. Add request list sorted by time;
3. Response to saving newly added images；
4. Request rewriting to add json format；
5. Fix Illegal IPv6 address issue；
6. Fix the problem of incomplete copy of python request header；
7. Fixed the background color issue when saving QR code；
1.1.7 22/01/2025
1. Added Hosts settings to support domain name mapping
2. Toolbox adds timestamp conversion
3. Fixed script editing keyboard pop-up safe mode issue
4. Fixed script URL encoding issue
5. Fixed the issue of extra spaces in request mask editing
6. Fixed the issue that iPad share clicks are invalid
7. Fixed the issue that the advanced replay would not execute if there were too many times
8. Add and remove invalid applications in the application blacklist and whitelist
1.1.6 21/11/2024
1. Request to rewrite and upgrade UI optimization, request to modify and add matching data viewing；
2. Request pop-up menu UI optimization, support request highlighting；
3. The script has built-in File Api, which supports file reading, writing and other operations. For details, please refer to the wiki document；
4. The script has built-in MD5 method, md5('xxx')；
5. Support memory automatic cleanup settings, memory limit automatic cleanup requests；
6. Toolbox adds regular expressions to support matching data replacement；
7. iOS supports generating new root certificates, which requires reinstalling the root certificate；
8. Fixed unclear display of dark mode icon；
1.1.5 30/10/2024
1. Mobile: Add bottom navigation bar，which can be switched in settings；
2. Support remote device management to quickly connect to devices
3. IOS supports capturing Flutter applications, You need to connect to the computer through device management to enable IP layer proxy (Beta)
4. Toolbox supports Unicode encode
5. Toolbox supports QR code encoding and decoding
6. Toolbox supports viewing system certificate names
7. Custom Repeat support for specified time execution
8. Fix request rewrite batch import rule confusion
1.1.4 22/10/2024
1. Support multiple theme colors；
2. External proxy support authentication
3. Double-click the list tab to scroll to the top
4. Fix the issue of partial p12 certificate import failure
5. The script add rawBody raw byte parameter, body supports byte array modification
6. Fix script message body encoding error causing incorrect response
7. Fix the issue of scanning QR code to connect to multiple IP priorities
8. Fix header Transfer-Encoding with spaces
9. Fix export HAR serverIPAddress incorrect
10. Fix Websocket Response not displayed
1.1.3 19/09/2024
1. iOS notification bar displays VPN status；
2. iOS fix: Stop switching to the background for a long time and then start packet capture without network problem；
3. Mobile：Add a scrollbar to the request list；
4. fix request repeat & script change url wrong；
5. fix script binary body convert；
1.1.2 28/08/2024
1. Support importing custom certificates and generating custom root certificates (#185 )；
2. Support generate new root certificates and resetting default root certificates；
3. Support exporting root certificates and private keys；
4. History supports replaying all requests (#246 )；
5. Replay domain name reques (#251 )；
6. Fix request rewrite list word wrapping (#261 )；
7. Script headers support multiple values with the same name (#259 )；
8. update share file name
1.1.1 05/08/2024
1. Increase multilingual support
2. Request Rewrite support file selection；
3. Headers default deployment configuration
4. Request Edit URL parameter support for form editing
5. Support advanced replay
6. Domain name filtering supports batch export&editing
1.0.9 19/06/2024
1. Added HTML, CSS, and JS formatting with code highlighting;
2. Advanced repeat now supports specifying the time;
3. Added HAR file export for domain list;
4. Added quick share for remote devices;
5. Favorites support WebSocket message persistence;
6. Added guidance for remote script loading;
7. Optimized large text display in message body;
8. Fixed issue where custom read status was lost;
more Version 1.2.7 4 hr ago
Data Not Collected The developer does not collect any data from this app.
