File Tools
Office documents carry the same kind of hidden metadata as photos — who created them, which company, how many edits. Pick a tool below. Everything runs in your browser; nothing is ever uploaded.
Everyday Formats
Common, simple formats you run into all the time — contacts, calendar invites, tokens, config and email.
vCard Viewer
View contacts embedded in a .vcf file, including files with several contacts.
iCalendar Viewer
View events in a .ics file, with recurrence rules in plain English.
Plist Viewer
View an Apple property list (.plist), XML or binary, as a tree.
JWT Decoder
Decode a JSON Web Token and optionally verify its HMAC signature.
JSON Formatter & Viewer
Validate, format and browse JSON as a collapsible tree.
.eml Email Viewer
View a saved email’s headers, body and attachments.
MBOX Viewer
Browse every message in an exported mbox mailbox.
Hex Dump / Byte Viewer
See the raw hex and ASCII bytes of any file.
Document Tools
Mostly read-only viewers, with editing where noted (PDF metadata).
Word document metadata viewer
See author, company, revision and edit history embedded in a .docx file.
Excel document metadata viewer
See author, company, revision and edit history embedded in a .xlsx file.
PDF Metadata Viewer & Editor
View and edit a PDF’s title, author, subject and keywords.
PDF Split & Merge
Extract a page range from a PDF, or merge several into one.
PDF to PNG Image Export
Export chosen pages from a PDF as PNG images.
Markdown to HTML Converter
Convert Markdown to a themed, standalone HTML file.
EPUB Viewer
View an ebook’s metadata, cover image and chapter order.
Design & Media Assets
Fonts and design files — useful when you don’t have the original app installed.
Font Viewer
View font metadata and render live sample text in the actual font.
PSD Viewer
View a Photoshop file’s layers, info and embedded thumbnail.
Sketch File Viewer
View the pages, artboards and layers inside a .sketch file.
AI Model Files
Inspect a model’s metadata and tensor shapes without loading the full weights into Python first.
Package Inspectors
See what a package or app wants to access — permissions, install scripts, dependencies — before you install it.
APK / IPA Manifest Viewer
See an app’s permissions and components before installing it.
Chrome Extension (.crx) Viewer
See a browser extension’s requested permissions.
npm Tarball Inspector
Inspect a package.json, install scripts and file list before installing.
Python Wheel Inspector
View a wheel’s metadata, license and dependencies.
Developer & Data Formats
Everyday developer tools — tabular data, network captures, databases, compiled modules and version-control internals.
CSV/TSV Cleaner
Detect issues, trim and re-quote a CSV or TSV file, then download it clean.
HAR File Viewer
View a network capture’s requests, status and headers.
SQLite Database Browser
Browse tables and run your own SQL queries against a .sqlite file.
WebAssembly Module Inspector
See a .wasm module’s imports, exports and section sizes.
Git Object Inspector
Decode a git blob, tree or commit object directly.
Access/Nginx Log Parser
See top URLs, status breakdown and traffic over time.
pcap/pcapng Viewer
View packets in a network capture — both classic and modern formats.
SQL Dump Viewer
See table structure in a mysqldump or pg_dump file.
Gettext .po/.pot Viewer
Browse a translation file’s entries, flagging untranslated and fuzzy strings.
Hash/Checksum Generator & Verifier
Compute MD5, SHA-1, SHA-256, and CRC32 for any file.
Base64 Encode/Decode
Encode or decode Base64 text, or encode a whole file.
Security & Credentials
Certificates, keys and secrets — nothing here ever leaves your browser, and private/secret key material is never read, only the public-facing metadata needed to identify a key.
X.509 Certificate Viewer
Decode a certificate’s subject, issuer, validity and SANs.
CSR Viewer
Decode a certificate signing request before sending it to a CA.
SSH Key Viewer
View a key’s algorithm, bit length and fingerprint — public or private.
GPG/PGP Key Viewer
View a key’s algorithm, fingerprint and user IDs — public or secret.
.env Secret Scanner
Flag entries that look like secrets before you commit or share a file.
SVG Sanitizer
Strip scripts and event handlers from an SVG down to a safe allowlist.
Disk & Virtualization
Disk images and virtual machine files — list what’s inside without mounting, booting, or extracting anything.
ISO9660 Disk Lister
List every file in a disk image, with full long-filename support.
VHD/VHDX Inspector
Read a virtual hard disk’s size, type and creator metadata.
OVA/OVF Viewer
See a virtual appliance’s name, CPU/RAM and disk list.
Geo, Fitness & Everyday
Email, GPS tracks, fitness activity data, and browser cookie exports.
.msg (Outlook) Viewer
Read an email’s subject, body, sender, and attachments.
FIT File Parser
Read a Garmin/ANT+ activity’s duration, distance and GPS track.
GPX/KML Viewer
See a route’s waypoints and tracks, with a map preview.
Netscape Cookies Viewer
Read a cookies.txt file as a readable table.
Color Profiles
Color management profile inspection.
Archive & File Utilities
Working with zip/gzip archives and CVs.
Zip File Viewer
See every file and folder inside a .zip archive without extracting it.
Zip File Flattener
Remove a single wrapping top-level folder from a .zip archive.
Gzip / tar.gz Explorer
See a .gz file's metadata and list a tar.gz archive's contents.
CV Reader
See what an ATS would actually extract from a .docx or .pdf CV.
Windows & Binary Format Tools
For EXE/DLL files and Windows Registry hives. These read low-level binary structures directly — best-effort in places, clearly marked where that applies.
Filetype Determiner
Identify a file's real type from its header bytes, not its extension.
DLL Export Viewer
List every function a DLL exports, with name, ordinal and address.
PE Icon Extractor
Extract every icon embedded in an EXE or DLL as .ico files.
PE Bitmap Viewer
View and download bitmap resources embedded in an EXE or DLL.
PE Resource Browser
Read the strings, menus and dialogs embedded in an EXE or DLL.
Registry Hive Viewer
Browse a Windows Registry hive file’s keys and values.
PE Import Table Viewer
List every DLL an EXE/DLL imports and the functions it uses.
PE Version Info Viewer
See a file's company, product and version details.
PE Section Viewer
List a file's internal sections with sizes and permissions.
Windows Forensics
Shortcuts, deleted-file metadata, and thumbnail caches — artifacts Windows leaves behind without you asking it to.
Windows Shortcut (.lnk) Viewer
See a shortcut's target, arguments and icon.
Recycle Bin $I Viewer
See a deleted file's original path and deletion time.
Thumbs.db Viewer
Extract cached thumbnail images and their filenames.
Windows Advanced Forensics
Program-execution history and system event logs — the deepest artifacts Windows keeps, including one that needed a real compression algorithm to unwrap.
Prefetch (.pf) Viewer
See an app's run count, last run time and referenced files.
EVTX (Event Log) Viewer
Read a Windows event log as a table of events.
macOS Forensics
The macOS parallel to the Windows artifacts above — per-folder metadata Finder keeps without being asked.
Comparison Tools
Not tied to any one format — compare any two files, however different their type.
Word Document Tools
Structural readers for .docx files — what's actually used, written, and changed inside, beyond basic document properties.
Style & Font Inspector
See every font and named style actually used in a document.
Table Extractor
Pull every table out of a document as CSV.
Comments & Replies Extractor
See every comment, its author, and what it's anchored to.
Track Changes / Revisions Viewer
See every tracked insertion and deletion, with author and date.
Legacy .doc/.xls Metadata Viewer
See properties in an older, pre-2007 Word or Excel file.
Embedded Object Extractor
List every image and pasted-in object inside a Word file.
Word to Markdown / Plain-Text Converter
Convert headings, bold/italic and lists to Markdown.
Redaction Tool
Genuinely remove text, including from tracked-change history.
Excel Document Tools
Structural readers for .xlsx files — named ranges, hidden data, external dependencies, and comments.
Named Ranges / Defined Names Viewer
See every named range and what it refers to.
Hidden Sheets/Rows/Columns Finder
Find hidden data before you share a workbook.
Cell Comments / Notes Extractor
See every comment, grouped by sheet.
External Link & Data Connection Finder
Find other workbook files a spreadsheet depends on.
Formula Extractor & Auditor
List every formula, flagging volatile functions.
Sheet to CSV/JSON Converter
Convert every sheet to a clean CSV or JSON file.
VBA Macro Extractor & Risk Scanner
Read macro source code and flag risky patterns.
Legacy .xls Metadata Viewer
See properties in an older, pre-2007 Excel file.
PDF Advanced Tools
Structural readers beyond basic metadata — text, fonts, bookmarks, and layers.
Text Extractor
Extract a PDF's text, page by page.
Font & Resource Inspector
See every font and image used on each page.
Bookmark / Outline Viewer
See the full bookmark tree, with target pages.
Layer (Optional Content) Viewer
See every layer and its default visibility.
Embedded File / Attachment Extractor
List and download every file attached to a PDF.
JavaScript Extractor & Risk Scanner
Read embedded JavaScript and flag risky patterns.
Page Tools
Reorder, rotate, or delete pages in a PDF.
Redaction Tool
Genuinely remove text from a PDF's content stream.
Rotate PDF Pages
A simpler, dedicated tool just for rotation.