Tools that don't upload your data — Works with Microsoft Office

5 match your filters — 5 of them answered our check today.

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Markdown to Email

Live

Converts Markdown into inlined, Outlook-safe HTML you can paste into ConvertKit, beehiiv, or Mailchimp, entirely in your browser — built for newsletter writers and marketers who draft in Markdown.

FreeNo sign-upData stays with you
What to know▼
How it works
Converts Markdown into fully inlined, Outlook-safe HTML entirely in the browser, ready to paste into ConvertKit, beehiiv, Mailchimp or other email service providers, with built-in email-safe callout boxes and CTA button syntax.
What's different
Runs 100% client-side with no signup, account or paywall, so content never leaves the browser.
Pricing
Free, no signup, no paywall.
Best for
Newsletter writers, marketers and indie developers who draft in Markdown and need Outlook-safe HTML for their email platform.

Watched for 10 days · last checked 4d ago

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Melia

Live

A native Linux desktop email client that connects straight to your IMAP/SMTP mail servers with no cloud relay, middleman account or telemetry, as an alternative to Thunderbird or Evolution.

FreeWorks offlineData stays with youPay once
What to know▼
How it works
A native Linux desktop email client that connects directly to your mail servers over IMAP and SMTP, storing everything locally in a SQLite database and syncing credentials through the OS keyring so it works fully offline.
What's different
No cloud relay, middleman account, or telemetry — mail stays on your own machine, unlike hosted alternatives.
Pricing
Free for one account with full functionality; a one-time $10 unlock removes the account cap.
Best for
Linux desktop users looking for a native alternative to Thunderbird, Evolution, Geary or Mailspring.

Watched for 18 days · last checked today

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Local MCP (LMCP)

Live

A local MCP server that gives AI assistants like Claude, Cursor and ChatGPT tools to act on your Mac — iMessage, Teams, WhatsApp, Mail, files — with nothing sent to the cloud.

FreeWorks offlineData stays with you
What to know▼
How it works
A local Model Context Protocol server running on a Mac that gives AI assistants like Claude, Cursor and ChatGPT 143 tools to act on iMessage, local Microsoft Teams chats, WhatsApp, Apple Mail, Calendar, Contacts, Notes, Reminders, Finder files, OneDrive, Outlook and Office documents.
What's different
Runs 100% locally with no cloud connection, reaching apps like iMessage and local Teams chats that cloud-based connectors can't access.
Pricing
Free.
Best for
Mac users who want their AI assistant to act across native apps like iMessage and Mail without sending data to the cloud.

Watched for 18 days · last checked 2d ago

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.MDPPT

Live

Converts Markdown files straight into PowerPoint slides, skipping manual copy-paste and reformatting — useful for developers writing specs, teachers prepping lecture notes, or anyone building decks.

Data stays with youCan export my data
What to know▼
How it works
Converts Markdown files into PowerPoint presentations, automatically splitting slides by headings (#, ##, ###) and preserving bullet points, numbered lists, and code blocks with syntax highlighting.
What's different
Processing is fully client-side, so your content never leaves your browser; exports as .pptx or .pdf.
Best for
Developers, technical writers, educators and anyone who prefers writing in Markdown but needs to present in PowerPoint.

Watched for 18 days · last checked 2d ago

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LumenPass - Password Manager

Live

A password manager built on the open, KeePass-compatible KDBX format, storing logins, passkeys, cards and TOTP codes in one encrypted vault with Face ID autofill.

Domain registered 3 months ago

Data stays with youNo adsNo tracking
What to know▼
How it works
Stores logins, passkeys, credit cards, secure notes and TOTP codes in an encrypted vault, built on the open KDBX format compatible with KeePass and KeePassXC, with one-tap AutoFill and Face ID across iPhone, iPad, Mac, Windows and Linux.
What's different
Uses the open KDBX format instead of a proprietary vault, so you're not locked into one vendor, with zero-knowledge on-device encryption before sync.
Best for
People wanting a KeePass-compatible password vault across Apple, Windows and Linux devices without vendor lock-in.

Watched for 13 days · last checked 2d ago

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