Project Vault for ChatGPT

Local-first backups, incremental deltas, verification, diagnostics, and search for ChatGPT Projects.

Keep your ChatGPT Projects in your own hands — backed up, searchable, and verifiable on your computer. Project Vault for ChatGPT is a local-first Chrome extension for saving entire ChatGPT Projects, creating incremental backups, searching saved Vaults, and comparing a Project with an official OpenAI export. PRICE $10 one-time purchase. No subscription. A license key is required after installation. MAIN FEATURES • Complete Project Vault Save every chat in the current Project together with JSON data and attachments. • Incremental backups After your first full Vault, save only new or updated chats. Supported Complete Vault baselines can also track new attachments. • Vault Library Load saved Full Vault / Delta ZIPs locally and search across multiple Projects and backup generations on this computer. • Official OpenAI export comparison Compare the current ChatGPT Project with an official OpenAI export ZIP. You can select the original ZIP directly — no extraction is required. • Single-chat export Save only the currently open conversation as a Vault, Markdown, HTML, and other supported formats. • Built-in self-diagnostics If saving fails or something behaves unexpectedly, create a privacy-safe diagnostic report to help identify compatibility problems. LOCAL-FIRST BY DESIGN Project Vault does not upload your ChatGPT conversations, attachments, or Vault contents to a Project Vault server. License activation and validation contact Lemon Squeezy over HTTPS and send only the license key plus a random installation identifier. Your ChatGPT conversation content is not sent to Lemon Squeezy. GREAT FOR PEOPLE WHO WANT TO • Keep important ChatGPT Projects under their own control • Search long-running Projects later • Back up only what changed instead of repeating full exports • Compare a Project against an official OpenAI export • Keep their archive workflow local-first Project Vault for ChatGPT is an independent third-party product developed by Silent Coast Asset. It is not an official OpenAI product and is not affiliated with or endorsed by OpenAI.