Data Prep & Sovereign Archive Streaming

Drop massive voter roll files — including raw state .zip archives (like ncvoter_Statewide.zip), tab-delimited .txt, or .csv files — directly here. Everything streams locally in 5MB chunks (Air-Gapℹī¸) into Triple-Tier Sovereign Storage (Native Folder, OPFS, and IndexedDBℹī¸).

0 bytes voter PII transmitted
📁 Saved Local File DetectedReady in Marigold_Local/Uploaded_Data/

Load Saved Dataset Without Re-Uploading

Your computer already has saved voter file shards in your Marigold_Localfolder. Click below to load them into workspace memory in < 2 seconds.

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Upload Local Voter Roll File

Select a raw .zip archive (no unzipping needed!), .csv, tab-delimited .txt/.tsv, or .xlsx file from your machine. Our browser Web Worker streams and decompresses rows locally into RAMℹī¸â€”0 bytes ever leave your machine!

Working with 4GB+ Statewide Archives (e.g. ncvoter_Statewide.zip)?

Use the built-in Marigold Data & Civic Studio module inside Pipes.app(<15MB native desktop app) to stream and shard multi-gigabyte archives in constant memory.

Get Pipes Desktop