Export Auto-Complete Lists to CSV or JSON: Complete Tutorial

How to Export Auto-Complete Lists from Any App — Quick Methods

Auto-complete lists (saved suggestions, autofill entries, or typeahead data) speed up typing and form-filling, but you may need to export them for backup, migration, or analysis. This guide covers quick methods that work across desktop and mobile apps, browsers, and common productivity tools. I assume you want practical, repeatable steps you can apply immediately.

1. Identify where the app stores auto-complete data

• Local files: Many desktop apps save suggestions in local files or databases (e.g., SQLite, CSV, JSON) within the app’s data folder.
• Browser storage: Browsers use autofill storage, localStorage, or SQLite/LevelDB files in the profile folder.
• Cloud sync: Some apps store suggestions in cloud accounts tied to your profile (Google, Microsoft, app-specific servers).
• Contacts/address books: Email clients and messaging apps often pull suggestions from contact lists.
• In-app settings: Check Preferences or Settings → Import/Export or Data → Backup.

2. Quick method A — Use the app’s built-in export or sync

• When to use: Best first option if available — safest and preserves formats.
• Steps:
  1. Open the app and go to Settings or Preferences.
  2. Look for “Export”, “Backup”, “Sync”, “Data”, or “Autofill/Auto-complete” sections.
  3. Choose an export format (CSV, JSON, XML) or export a full backup.
  4. Save the file and verify contents (open in a text editor or spreadsheet).

3. Quick method B — Export from the profile or app data folder

• When to use: If no UI export exists but the app stores data locally.
• Steps (general):
  1. Locate the app’s profile/data folder:
     • Windows: %APPDATA% or %LOCALAPPDATA%
     • macOS: ~/Library/Application Support/ or ~/Library/Preferences/
     • Linux: ~/.config/ or ~/.local/share/
  2. Search for likely files:.sqlite, *.db, *.json, *.csv, LevelDB folders.
  3. Make a copy of suspect files before opening.
  4. Use appropriate tools to read them: DB Browser for SQLite, a text editor for JSON/CSV, or LevelDB viewer.
  5. Extract relevant columns/fields (suggestion text, timestamps, source) and save as CSV/JSON.

4. Quick method C — Export from browsers (Chrome, Edge, Firefox)

• Chrome/Edge (autofill):
  1. Settings → You and Google → Autofill → Addresses and more (or Passwords for credential suggestions).
  2. Use the built-in export option where present (e.g., Passwords → Export). For addresses, many browsers lack a direct export; use profile files.
  3. Profile files: close browser, copy the Profile folder (User Data/Default), then inspect Web Data (SQLite) using DB Browser for SQLite. Table “autofill” contains entries.
• Firefox:
  1. Addresses: Open about:addressbook → Tools → Export (vCard/CSV).
  2. Form history: formhistory.sqlite in the profile folder — open with SQLite tools and export.

5. Quick method D — Use the app’s API or developer tools

• When to use: For web apps or advanced users.
• Steps:
  1. For web apps, open Developer Tools → Application/Storage to inspect LocalStorage, IndexedDB, or cookies.
  2. Export entries by copying JSON or using small scripts in the Console to serialize and download data:

     Code
     Copy CodeCopied
     const data = Object.fromEntries(Object.entries(localStorage)); const blob = new Blob([JSON.stringify(data)], {type: ‘application/json’}); const url = URL.createObjectURL(blob); const a = document.createElement(‘a’); a.href = url; a.download = ‘localstorage.json’; a.click(); 

  3. For apps with APIs, call endpoints that return suggestions (check rate limits and auth) and save results.

6. Quick method E — Use third-party tools or scripts

• Examples: SQLite viewers, LevelDB explorers, browser profile export utilities, or community-built export scripts for specific apps.
• Precautions: Verify tool reputation, run antivirus, and back up data first.

7. Clean and normalize exported data

• Open exported file in a text editor or spreadsheet.
• Remove duplicates and irrelevant fields.
• Map fields to a target structure: suggestion_text, source_app, created_at, last_used.
• Save final output as CSV or JSON depending on your downstream need.

8. Importing into another app

• Use the receiving app’s import feature (CSV, JSON, vCard).
• If no import exists, consider scripting to feed entries via API, or use automation tools (AutoHotkey, AppleScript) to populate suggestions programmatically.

9. Security and privacy checklist

• Export only what you need.
• Store exported files securely (encrypted disk or password-protected archive).
• Delete sensitive temporary files after import/backup.

10. Troubleshooting — common issues

• Corrupt DB files: work on a copy, not the original.
• Missing entries: some apps only store hashed/obfuscated data — may be unrecoverable.
• Synced-only data: export from the account or device that holds the canonical copy.

Final tip: start with built-in export or cloud sync where possible; fall back to profile files or developer tools for apps without UI export. If you tell me the specific app(s) you want to export from, I can give exact step-by-step commands or scripts.