Free File Viewers
File Viewers
Open and view emails, documents, images, contacts, and chat files instantly online. No software to install — all 22 viewers are completely free and easy to use.
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Open Files Online
EML Viewer
Open and read .eml email files with headers, body, and attachments.
MBOX Viewer
Browse emails inside MBOX mailbox files from Thunderbird, Gmail, and more.
PST Viewer
Inspect Microsoft Outlook PST data files and browse folder structure.
OST Viewer
Open Outlook offline data files (.ost) and inspect contents.
MSG Viewer
Read Outlook .msg email files with sender, subject, body, and attachments.
vCard Viewer
Open .vcf vCard contact files and view names, phones, emails, and addresses.
TIFF Viewer
View multi-page TIFF images with zoom, navigation, and page thumbnails.
DOCX Viewer
Open and read Microsoft Word .docx documents with formatting preserved.
Skype Chat Viewer
Browse Skype chat history exports with messages, timestamps, and contacts.
DBX Viewer
Open Outlook Express .dbx email archive files and inspect contents.
MBOX Email Count
Quickly count the total number of emails in any MBOX mailbox file.
PST Analyzer
Analyze Outlook PST files — folder count, size breakdown, and structure.
PDF Viewer
Open and read PDF documents with page navigation and zoom controls.
XPS Viewer
Open and view XPS / OXPS files with zoom, file list, and preserved formatting. No install.
CSV & Excel Viewer
Open CSV, TSV, XLSX, and XLS spreadsheet files as searchable tables.
JSON Viewer
View, format, and explore JSON files with a collapsible tree and syntax highlighting.
XML Viewer
Browse and format XML files with collapsible nodes and syntax highlighting.
ICS Calendar Viewer
Open .ics calendar files and view events, dates, locations, and attendees.
OLM Viewer
Open Outlook for Mac .olm archive files and browse emails inside.
Markdown Viewer
Render .md markdown files with headings, lists, tables, and code blocks.
PowerPoint Viewer
View PPTX presentation slides online with text extraction and image display.
Gmail Takeout Viewer
Browse Google Takeout MBOX exports with Gmail label filtering and search.