diff --git a/scripts/hist_importer.py b/scripts/hist_importer.py
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+++ b/scripts/hist_importer.py
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+#!/usr/bin/env python3
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2017 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+# Copyright 2017 Josefson Souza <josefson.br@gmail.com>
+
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+
+"""Tool to import browser history from other browsers."""
+
+
+import argparse
+import sqlite3
+import sys
+import os
+
+
+def parse():
+    """Parse command line arguments."""
+    description = ("This program is meant to extract browser history from your"
+                   " previous browser and import them into qutebrowser.")
+    epilog = ("Databases:\n\n\tqutebrowser: Is named 'history.sqlite' and can be"
+              " found at your --basedir. In order to find where your basedir"
+              " is you can run ':open qute:version' inside qutebrowser."
+              "\n\n\tFirefox: Is named 'places.sqlite', and can be found at your"
+              " system's profile folder. Check this link for where it is "
+              "located: http://kb.mozillazine.org/Profile_folder"
+              "\n\n\tChrome: Is named 'History', and can be found at the "
+              "respective User Data Directory. Check this link for where it is"
+              "located: https://chromium.googlesource.com/chromium/src/+/"
+              "master/docs/user_data_dir.md\n\n"
+              "Example: hist_importer.py -b firefox -s /Firefox/Profile/"
+              "places.sqlite -d /qutebrowser/data/history.sqlite")
+    parser = argparse.ArgumentParser(
+        description=description, epilog=epilog,
+        formatter_class=argparse.RawTextHelpFormatter
+    )
+    parser.add_argument('-b', '--browser', dest='browser', required=True,
+                        type=str, help='Browsers: {firefox, chrome}')
+    parser.add_argument('-s', '--source', dest='source', required=True,
+                        type=str, help='Source: Full path to the sqlite data'
+                        'base file from the source browser.')
+    parser.add_argument('-d', '--dest', dest='dest', required=True, type=str,
+                        help='\nDestination: Full path to the qutebrowser '
+                        'sqlite database')
+    return parser.parse_args()
+
+
+def open_db(data_base):
+    """Open connection with database."""
+    if os.path.isfile(data_base):
+        conn = sqlite3.connect(data_base)
+        return conn
+    else:
+        raise sys.exit('DataBaseNotFound: There was some error trying to to'
+                       ' connect with the [{}] database. Verify if the'
+                       ' given file path is correct.'.format(data_base))
+
+
+def extract(source, query):
+    """Get records from source database.
+
+    Args:
+        source: File path to the source database where we want to extract the
+        data from.
+        query: The query string to be executed in order to retrieve relevant
+        attributes as (datetime, url, time) from the source database according
+        to the browser chosen.
+    """
+    try:
+        conn = open_db(source)
+        cursor = conn.cursor()
+        cursor.execute(query)
+        history = cursor.fetchall()
+        conn.close()
+        return history
+    except sqlite3.OperationalError as op_e:
+        print('\nCould not perform queries into the source database: {}'
+              .format(op_e))
+
+
+def clean(history):
+    """Clean up records from source database.
+
+    Receives a list of record and sanityze them in order for them to be
+    properly imported to qutebrowser. Sanitation requires addiing a 4th
+    attribute 'redirect' which is filled with '0's, and also purging all
+    records that have a NULL/None datetime attribute.
+
+    Args:
+        history: List of records (datetime, url, title) from source database.
+    """
+    nulls = [record for record in history if record[0] is None]
+    for null_datetime in nulls:
+        history.remove(null_datetime)
+    history = [list(record) for record in history]
+    for record in history:
+        record.append('0')
+    return history
+
+
+def insert_qb(history, dest):
+    """Insert history into dest database.
+
+    Args:
+        history: List of records.
+        dest: File path to the destination database, where history will be
+        inserted.
+    """
+    conn = open_db(dest)
+    cursor = conn.cursor()
+    cursor.executemany(
+        'INSERT INTO History (url,title,atime,redirect) VALUES (?,?,?,?)',
+        history
+    )
+    cursor.execute('DROP TABLE CompletionHistory')
+    conn.commit()
+    conn.close()
+
+
+def main():
+    """Main control flux of the script."""
+    args = parse()
+    browser = args.browser.lower()
+    source, dest = args.source, args.dest
+    query = {
+        'firefox': 'select url,title,last_visit_date/1000000 as date '
+                   'from moz_places',
+        'chrome': 'select url,title,last_visit_time/10000000 as date '
+                  'from urls',
+    }
+    if browser not in query:
+        sys.exit('Sorry, the selected browser: "{}" is not supported.'.format(
+            browser))
+    else:
+        history = extract(source, query[browser])
+        history = clean(history)
+        insert_qb(history, dest)
+
+
+if __name__ == "__main__":
+    main()