Alternatives
Products that do what Online CSV Viewer does
Open, read, and convert multi-gigabyte CSV files instantly
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I built CSV GB+ by Data.olllo, a local data tool that lets you open, clean, and export gigabyte-sized CSVs (even billions of rows) without writing code. Most spreadsheet apps choke on big files. Coding in pandas or Polars works—but not everyone wants to write scripts just to filter or merge CSVs. CSV GB+ gives you a fast, point-and-click interface built on dual backends (memory-optimized or disk-backed) so you can process huge datasets offline. Key Features: Handles massive CSVs with ease — merge, split, dedup, filter, batch export Smart engine switch: disk-based "V Core" or RAM-based "P…
2025 · apps.microsoft.com
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Hello HN, I'm excited to share a project I've been working on: A simple, fast way to process huge CSV and XLSX files directly in your browser and export them as clean JSON or XML Here's a few things that makes this converter different: - runs in the browser - all parsing and conversion is client side can handle data any size data - automatically detects delimiters, encodings, and data types as it parses - Live preview with column renaming, search/replace, and data cleanup - Export to JSON or XML — clean, structured output that can be used for API or Databases backstory: I built this…
2025 · csvforge.com
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2017 · csvexplorer.com
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Turn CSV & Excel files into charts in seconds
Apr 2026 · embedful.io
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2021 · superintendent.app
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2022 · csvfiddle.io
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Compare CSV files with 10s of millions of rows in seconds.
Jan 2026
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2020 · dropbase.castodia.com
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2023 · github.com
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Open 20,000+ file formats instantly in your browser
Jul 2026 · viewer.online
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