diff --git a/ppf.py b/ppf.py
index dddb66e..98d1f1c 100644
--- a/ppf.py
+++ b/ppf.py
@@ -14,6 +14,7 @@ import sys
 from soup_parser import set_nobs
 import threading
 import random
+import os
 
 # Global profiler for signal handler access
 _profiler = None
@@ -32,6 +33,68 @@ signal.signal(signal.SIGTERM, sigterm_handler)
 config = Config()
 
 
+def reset_state():
+    """Clear all proxy and session state for a fresh start.
+
+    Clears:
+    - proxylist table (all proxies)
+    - session_state table (test counters)
+    - stats_history table (historical stats)
+    - scraper_state.json (engine backoffs)
+    - mitm_certs.json (MITM cert tracking)
+    """
+    db_path = config.watchd.database
+    data_dir = os.path.dirname(db_path) or 'data'
+
+    # Clear database tables
+    try:
+        db = mysqlite.mysqlite(db_path, str)
+        dbs.create_table_if_not_exists(db, 'proxylist')
+
+        db.execute('DELETE FROM proxylist')
+        db.commit()
+        _log('cleared proxylist table', 'reset')
+
+        # Clear session_state if exists
+        try:
+            db.execute('DELETE FROM session_state')
+            db.commit()
+            _log('cleared session_state table', 'reset')
+        except Exception:
+            pass
+
+        # Clear stats_history if exists
+        try:
+            db.execute('DELETE FROM stats_history')
+            db.commit()
+            _log('cleared stats_history table', 'reset')
+        except Exception:
+            pass
+
+        db.execute('VACUUM')
+        db.commit()
+        db.close()
+    except Exception as e:
+        _log('database reset failed: %s' % e, 'error')
+        return False
+
+    # Remove state files
+    state_files = [
+        os.path.join(data_dir, 'scraper_state.json'),
+        os.path.join(data_dir, 'mitm_certs.json'),
+    ]
+    for f in state_files:
+        if os.path.exists(f):
+            try:
+                os.remove(f)
+                _log('removed %s' % f, 'reset')
+            except Exception as e:
+                _log('failed to remove %s: %s' % (f, e), 'error')
+
+    _log('state reset complete', 'reset')
+    return True
+
+
 def format_duration(seconds):
     """Format seconds into compact human-readable duration."""
     if seconds < 60:
@@ -208,6 +271,14 @@ def main():
     """Main entry point."""
     global config
 
+    # Handle --reset flag before connecting to databases
+    if len(sys.argv) == 2 and sys.argv[1] == "--reset":
+        if reset_state():
+            _log('use without --reset to start fresh', 'reset')
+            sys.exit(0)
+        else:
+            sys.exit(1)
+
     proxydb = mysqlite.mysqlite(config.watchd.database, str)
     dbs.create_table_if_not_exists(proxydb, 'proxylist')
     fetch.init_known_proxies(proxydb)