Local File Tools
Inspect, verify and transform selected files directly in your browser without uploading their contents or using downloader workers.
Private OPML Feed Subscription Auditor
Inspect an OPML feed-reader export for duplicate subscriptions, invalid feed addresses, missing site links, credentials, tracking parameters, empty titles, category depth and feed types without requesting any listed URL.
Open tool →Private OPML Feed Deduplicator
Remove repeated feed subscriptions from an OPML export while retaining the first copy, category hierarchy, labels, site links and supported outline metadata.
Open tool →Private OPML Feed Subscriptions to CSV
Convert an OPML subscription export into CSV rows with title, feed URL, site URL, category path, type and saved metadata, neutralizing spreadsheet formulas.
Open tool →Private RSS and Atom Feed File Auditor
Inspect a saved RSS 2.0 or Atom feed for entry counts, duplicate identifiers and links, missing titles or dates, enclosure metadata, content markup and structural limits without requesting the feed or any linked resource.
Open tool →Private RSS and Atom Feed to JSON Converter
Convert a saved RSS or Atom document into structured JSON containing feed metadata, entries, authors, categories and enclosure details with no remote feed request.
Open tool →Private RSS and Atom Feed Entries to CSV
Flatten entries from a saved RSS or Atom feed into spreadsheet-ready CSV with title, identifier, link, dates, author, categories, enclosure and summary columns.
Open tool →Private iCalendar and ICS File Auditor
Inspect a saved iCalendar file for event totals, duplicate UIDs, missing titles or start times, invalid dates, reversed ranges, time zones, recurrences, alarms and attachments without opening any referenced resource.
Open tool →Private ICS Calendar to JSON Converter
Convert a saved iCalendar file into structured JSON containing calendar metadata, events, dates, attendees, categories, recurrence rules, alarms and attachments without uploading the schedule or requesting linked content.
Open tool →Private ICS Calendar Events to CSV
Flatten VEVENT records from a saved ICS calendar into spreadsheet-ready CSV with UID, summary, start, end, time zone, location, organizer, attendees, categories, recurrence and attachment counts.
Open tool →Private vCard and VCF Contact File Auditor
Inspect a saved vCard contact file for versions, duplicate email addresses and UIDs, missing names, invalid addresses, grouped properties, embedded photos and remote references without opening any contact URL or image.
Open tool →Private VCF Contacts to JSON Converter
Convert saved vCard 2.1, 3.0 or 4.0 contacts into structured JSON containing names, emails, phones, addresses, organizations, categories and safe photo descriptors without uploading the address book.
Open tool →Private VCF Contacts to CSV
Flatten contacts from a saved VCF file into spreadsheet-ready CSV with display name, structured name, UID, email, phone, organization, title, categories, URLs and notes.
Open tool →Private GPX Track and Route File Auditor
Inspect a saved GPX 1.0 or 1.1 file for tracks, segments, routes, waypoints, invalid coordinates, duplicate points, timestamps, elevation coverage and total distance without sending a location history anywhere.
Open tool →Private GPX to GeoJSON Converter
Convert GPX tracks, routes and waypoints into a standards-friendly GeoJSON FeatureCollection with names, timestamps, elevation and inert link metadata while excluding invalid coordinates.
Open tool →Private GPX Trackpoints to CSV
Export valid GPX waypoint, route-point and track-point records to CSV with coordinates, elevation, time, sequence, names, descriptions and links while neutralizing formula-like text.
Open tool →Private KML Map and Placemark File Auditor
Inspect a saved KML map for documents, folders, placemarks, geometry, invalid coordinates, duplicate identifiers and inert external references without opening network links or exposing the map to a server.
Open tool →Private KML to GeoJSON Converter
Convert KML placemarks and supported geometries into a GeoJSON FeatureCollection while preserving folder paths, timestamps and descriptions as inert properties and skipping invalid coordinate tuples.
Open tool →Private KML Placemarks to CSV
Export KML placemarks to CSV with identifiers, folder paths, geometry summaries, coordinates, altitude, descriptions and style references while neutralizing formula-like spreadsheet cells.
Open tool →Private GeoJSON Feature and Coordinate Auditor
Inspect a saved GeoJSON map for feature types, invalid positions, duplicate IDs, property structure, legacy CRS metadata and inert URL-like values without loading tiles, scripts or referenced resources.
Open tool →Private GeoJSON to KML Converter
Convert GeoJSON features and supported geometry collections into an inert KML document, retaining names, descriptions and properties while excluding invalid coordinate positions and every external fetch.
Open tool →Private GeoJSON Features to CSV
Flatten GeoJSON features into a reviewable CSV with IDs, geometry summaries, first valid positions and discovered property columns while neutralizing spreadsheet formula prefixes in untrusted text.
Open tool →Private GeoJSON FeatureCollection Merger
Combine features from up to twenty saved GeoJSON documents into one clean FeatureCollection, with aggregate coordinate checks and no map, URL or property value ever requested from the network.
Open tool →Private GeoJSON Bounding Box Calculator and Writer
Calculate the two-dimensional extent of every valid GeoJSON position and download a normalized FeatureCollection with an RFC-compatible top-level bbox, locally.
Open tool →Private GeoJSON Geometry Type Extractor
Keep only features whose validated geometry matches one selected GeoJSON type, then download a smaller FeatureCollection without loading a basemap or following links.
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