# Breathier guides

> Practical guides to sharing documents by link: who opened your PDF, pitch decks, passcodes, view-only spreadsheets, PowerPoint online and DocSend alternatives.

Web page: https://breathier.com/resources

- [How to see who opened your PDF and which pages they read](https://breathier.com/resources/track-who-opened-a-pdf.md): What read receipts, tracking pixels, PDF scripts and tracked links can and can't tell you about who opened your PDF, and how to track it fairly.
- [How to share a pitch deck with investors and read the signals](https://breathier.com/resources/share-a-pitch-deck-with-investors.md): Prepare a send-ahead deck, choose PDF or PowerPoint, give each investor their own link with sensible rules, read the numbers and time your follow-up.
- [Free DocSend alternatives compared on price, tracking and limits](https://breathier.com/resources/docsend-alternatives.md): What DocSend costs, and how Papermark, Google Drive, Dropbox and Breathier compare for sharing documents by link and seeing who read them.
- [Google Drive sharing vs a tracked document link, and when to use each](https://breathier.com/resources/google-drive-vs-tracked-links.md): What Google Drive's sharing and Activity dashboard show, which accounts see what, where they stop, and when a tracked document link fits better.
- [Attachment or link? How to send documents by email](https://breathier.com/resources/send-a-link-not-an-attachment.md): Attachment or link? Gmail and Outlook size limits, delivery and security scans, version mix-ups, taking access back and privacy, with a rule for each case.
- [How to password-protect a document you share by link](https://breathier.com/resources/password-protect-a-shared-document.md): PDF and Word passwords, link passcodes and account-based sharing compared, plus how to add expiry dates and choose and send a passcode safely.
- [Document analytics explained: what time on each page tells you](https://breathier.com/resources/document-analytics-explained.md): Learn what visits, reading time and time on each page really mean in document analytics, which traps to avoid and how to act on what you see.
- [How to share a PowerPoint online without converting it](https://breathier.com/resources/share-powerpoint-online.md): Four ways to share a PowerPoint by link, what each one changes, and how to keep fonts, animations, hidden slides and speaker notes under control.
- [How to share an Excel spreadsheet as view-only](https://breathier.com/resources/share-a-spreadsheet-view-only.md): Share an Excel file by view-only link in OneDrive, Google Sheets or a tracked link, and learn why sheet protection and hidden sheets won't keep data private.
- [Do you need a virtual data room? A guide for early-stage startups](https://breathier.com/resources/virtual-data-room-for-startups.md): What data rooms do, who sells them and what they cost, what goes in one, and when simple tracked links are enough for an early-stage startup.