Dev tools · alternatives · 2026
24 alternatives to Convert Large CSV/XLSX to JSON or XML in Browser
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…
This browser-based tool converts large CSV and XLSX files into JSON or XML format entirely on the user's computer. It handles files of any size without uploading data to servers, automatically detecting delimiters… 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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Convert excel & csv files to json online, free and secure
2025 · convert-excel-to-json.emp0.com · its alternatives →
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2017 · exceljson.com · its alternatives →
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Convert any JSON to Excel in second 100% private, no uploads
Mar 2026 · jsontoexcel.cloud · its alternatives →
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Convert JSON to Excel (.xlsx) online for free — no sign-up, nothing stored. Also available as a rate-limited developer API for building conversion into your own product.
Jul 2026 · jsonsupport.com · 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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Convert JSON to Excel in your browser - free (54) ⭐
Jun 2026 · jsontoexcel.in · its alternatives →
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One-click CSV ↔ JSON conversion — secure, open-source & free
2025 · toolgenius.app · its alternatives →
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Converts JSON to Excel and JSON to CSV | 100% Client Side
Feb 2026 · jsontoexcel.cv · its alternatives →
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2021 · jsonmatic.com · its alternatives →
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JSON Master▲82Format, repair, convert, and visualize JSON, XML, YAML, CSV, and TOML. Free developer platform with advanced visualizers and AI-powered syntax repair.
2020 · jsonmaster.com · its alternatives →
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Free file & image converter
2025 · file-convertor-ebon.vercel.app · its alternatives →
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Convert JSON files to Excel instantly. 100% Client-side.
Jan 2026 · jsonexport.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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JSONXMLKit▲13I built this because I was constantly switching tabs to format JSON or XML, or decode Base64 — and many of the tools I found were either bloated, sent my data to a server, or just didn’t support things like XPath or JSONPath. JSONXMLKit runs 100% in-browser, and includes: JSON and XML formatters Path search with JSONPath and XPath File-based Base64 encoder/decoder (images, PDFs, etc.) No login, no uploads. Just a set of quick, client-side tools I needed and decided to share. Feedback welcome!
2025 · jsonxmlkit.com · 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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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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Convert XML files to CSV directly within Chrome
2024 · chromewebstore.google.com · 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 →