diff --git a/hamstertools/__init__.py b/hamstertools/__init__.py
index 183809a..309bd9e 100755
--- a/hamstertools/__init__.py
+++ b/hamstertools/__init__.py
@@ -1,10 +1,13 @@
 #!/usr/bin/env python3.7
 
-import sqlite3
 import click
+import csv
+from datetime import datetime
 from pathlib import Path
+import sqlite3
 
-HAMSTER_FILE = Path.home() / '.local/share/hamster-applet/hamster.db'
+HAMSTER_DIR = Path.home() / '.local/share/hamster-applet'
+HAMSTER_FILE = HAMSTER_DIR / 'hamster.db'
 
 conn = sqlite3.connect(HAMSTER_FILE)
 c = conn.cursor()
@@ -37,7 +40,7 @@ def get_categories(ids=None, search=None):
     return results
 
 
-def get_activities(ids=None, search=None):
+def get_activities(ids=None, search=None, category_search=None):
     sql = '''
     SELECT 
         activities.id, activities.name, categories.name, categories.id
@@ -61,6 +64,11 @@ def get_activities(ids=None, search=None):
         search = '%{0}%'.format(search)
         args.append(search)
 
+    if category_search is not None:
+        sql = sql + " WHERE categories.name LIKE ?"
+        category_search = '%{0}%'.format(category_search)
+        args.append(category_search)
+
     results = c.execute(sql, args)
     results = c.fetchall()
 
@@ -320,6 +328,144 @@ def find_duplicates():
          click.secho('@{0[0]}: {0[1]} » @{0[2]}: {0[3]} ({0[4]})'.format(r), fg='blue')
 
 
+@cli.group()
+def export():
+    pass
+
+
+@export.command()
+@click.option('--mapping', help='Mapping file (default ~/.local/share/hamster/mapping.kimai.csv)')
+@click.option('--output', help='Output file (default kimai.csv)')
+@click.option('--category-search', help='Category search string')
+def kimai(mapping=None, output=None, category_search=None):
+    if mapping is None:
+        mapping = HAMSTER_DIR / 'mapping.kimai.csv'
+    if output is None:
+        output = 'kimai.csv'
+
+    try:
+        mapping_file = open(mapping)
+        mapping_reader = csv.reader(mapping_file)
+    except FileNotFoundError:
+        click.confirm(
+            'Mapping file {} not found, create it?:'.format(mapping), 
+            abort=True
+        )
+        mapping_file = open(mapping, 'w')
+        mapping_writer = csv.writer(mapping_file)
+
+        mapping_writer.writerow([
+            'FROM category',
+            'FROM activity',
+            'TO Customer',
+            'TO Project',
+            'TO Activity'
+        ])
+
+        results = get_activities(category_search=category_search)
+
+        for r in results:
+            mapping_writer.writerow([
+                r[2], r[1]
+            ])
+
+        mapping_file.close()
+        return
+
+    next(mapping_reader)
+
+    mapping = {
+        '{0}:{1}'.format(row[0], row[1]): [row[2], row[3], row[4]] 
+        for row in mapping_reader
+    }
+
+    mapping_file.close()
+
+    output_file = open(output, 'w')
+    output_writer = csv.writer(output_file)
+
+    args = []
+
+    sql = '''
+    SELECT 
+        facts.id, facts.start_time, facts.end_time, facts.description, 
+        activities.id, activities.name, 
+        categories.name, categories.id 
+    FROM 
+        facts 
+    LEFT JOIN 
+        activities ON facts.activity_id = activities.id 
+    LEFT JOIN 
+        categories ON activities.category_id = categories.id '''
+
+    if category_search is not None:
+        sql = sql + " WHERE categories.name LIKE ?"
+        category_search = '%{0}%'.format(category_search)
+        args.append(category_search)
+
+    results = c.execute(sql, args)
+    results = c.fetchall()
+
+    output_writer.writerow([
+        "Date",
+        "From",
+        "To",
+        "Duration",
+        "Rate",
+        "User",
+        "Customer",
+        "Project",
+        "Activity",
+        "Description",
+        "Exported",
+        "Tags",
+        "Hourly rate",
+        "Fixed rate"
+    ])
+
+    for fact in results:
+        k = '{0}:{1}'.format(fact[6], fact[5])
+        try:
+            mapping_ = mapping[k]
+        except KeyError:
+            click.secho("Can't find mapping for '{0}', skipping".format(k), fg='yellow')
+            continue
+
+        if fact[1] is None or fact[2] is None:
+            click.secho("Missing duration data '{0}-{1}', skipping".format(
+                fact[1],
+                fact[2]
+            ), fg='yellow')
+            continue
+
+        date_start, date_end = (
+            datetime.strptime(fact[2].split('.')[0], '%Y-%m-%d %H:%M:%S'),
+            datetime.strptime(fact[1].split('.')[0], '%Y-%m-%d %H:%M:%S')
+        )
+        duration = (
+            date_start - date_end
+        ).seconds
+
+        output_writer.writerow([
+            date_start.strftime('%Y-%m-%d'),
+            date_start.strftime('%H:%M'),
+            '', # To (time)
+            duration,
+            '', # Rate
+            '3wordchant',
+            mapping_[0],
+            mapping_[1],
+            mapping_[2],
+            fact[3] or '',
+            '0', # Exported
+            '', # Tags
+            '', # Hourly rate
+            '', # Fixed rate
+        ])
+
+    output_file.close()
+
+
 @cli.command()
 def hamster():
     click.echo('🐹')