CSV to KML / GeoJSON
Turn store, customer, device, or sample coordinates into map files for Google Earth, QGIS, Leaflet, and Mapbox.
Open toolBrowser-first utility lab
Small file and data tools that produce real outputs.
Use FileKit Lab to convert CSV files, generate TypeScript types, fix subtitle timing, and build campaign URLs. The first English tools run locally in your browser and create downloadable files.
Built for exact long-tail jobs
Each page targets one practical task: paste structured input, preview the result, then download or copy the generated output. No account is required for these browser tools.
English tool pages
First global search targets.
These tools were picked because users search for exact conversions and need a file, snippet, or table they can immediately use.
Chinese Dinner Generator
Plan a balanced Chinese dinner for overseas kitchens with bilingual dish names, substitutions, and a grocery list.
Open toolJSON to TypeScript
Infer TypeScript interfaces or type aliases from API response samples and export a `.ts` file.
Open toolSubtitle Time Shifter
Shift SRT or WebVTT timestamps forward or backward after edits, exports, or timeline changes.
Open toolBulk UTM Builder
Create campaign tracking URLs in bulk and export a clean CSV for ads, emails, social posts, and partner links.
Open toolHelp shape this tool
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