Dev tools · alternatives · 2026
24 alternatives to CSVTool.io
Edit CSV cells, convert files to Excel, JSON, or SQL, and merge CSVs into one table. 63 free tools that run in your browser — no signup.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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16 free browser-based CSV tools — no upload, no signup
Jun 2026 · csvtojsonconverter.com · its alternatives →
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Simple command-line utility to convert CSV, TSV and Excel files into a single self-contained HTML page with search, filters, and sorting - vividvilla/csvtotable
2017 · github.com · its alternatives →
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The complete toolkit for CSV files.
May 2026 · csvall.com · its alternatives →
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2017 · exceljson.com · its alternatives →
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20 free CSV and Excel tools. Files never leave your browser
Aug 2026 · thecsv.pro · its alternatives →
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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 · its alternatives →
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CSV.ink▲5Quickly read CSV files, edit CSV tables, and convert CSV.
Jul 2026 · csv.ink · its alternatives →
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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 · its alternatives →
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One-click CSV ↔ JSON conversion — secure, open-source & free
2025 · toolgenius.app · its alternatives →
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30+ FREE Tools 100% in your browser. No Account needed
Jun 2026 · flowtoolkit.tech · its alternatives →
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JSONXX▲3Free JSON Converter-Preview, Edit, and Export JSON to CSV
Jun 2026 · jsonxx.com · its alternatives →
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Instant online JSON to CSV data converter tool.
Aug 2026 · smart-tools-7.blogspot.com · its alternatives →
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Fast, 100% client-side, and ad-free CSV parser
Jul 2026 · toolvize.com · its alternatives →
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Free online tool to convert your table to other formats
2025 · tableformatconverter.com · its alternatives →
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DevTools▲18Collection of free online tools to help in web development
2025 · onlinewebdevtools.com · its alternatives →
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Free file & image converter
2025 · file-convertor-ebon.vercel.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →