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ChatCache exports ChatGPT conversations to seven formats, each suited to a different purpose. All formats support selective message export, so you can include the full thread or only the messages that matter. Six formats are processed entirely in your browser; PDF is the only format that uses an external API.

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Format comparison

FormatProcessingBest forOutput
MarkdownLocal (browser)Notion, Obsidian, GitHub.md file
HTMLLocal (browser)Web viewing and sharing.html file
TXTLocal (browser)Plain-text archiving.txt file
PDFCloud API (no data stored)Printing and sharing.pdf file
JSONLocal (browser)Programmatic use.json file
CSVLocal (browser)Spreadsheets.csv file
PNGLocal (browser)Screenshots and sharing.png image
Every format supports selective message export. Enter selection mode before exporting to choose specific messages — your prompts, the AI’s responses, or any combination.

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Explore each format

Markdown

Preserve headings, code blocks, tables, and images in a portable .md file ready for Notion, Obsidian, and GitHub.

PDF

Render LaTeX math formulas, code blocks, and tables to a print-ready PDF using a secure cloud API.

HTML & TXT

Export a web-viewable HTML file or a minimal plain-text file for archiving and importing into other tools.

JSON & CSV

Export structured data for programmatic processing or open the conversation as a spreadsheet in Excel or Google Sheets.

PNG

Capture the conversation as a screenshot image for social sharing, slides, or quick visual archives.