Dev tools · alternatives · 2026
24 alternatives to FormatLab
Free browser-based tools for CSV, JSON, and Excel files
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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Useful JSON online tools
2022 · jsonformatter.net · 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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Format, validate & convert JSON instantly
Feb 2026 · jsonformatters.com · its alternatives →
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16 free browser-based CSV tools — no upload, no signup
Jun 2026 · csvtojsonconverter.com · its alternatives →
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2017 · exceljson.com · its alternatives →
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The complete toolkit for CSV files.
May 2026 · csvall.com · its alternatives →
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Professional online json tool | format, validate & convert
2025 · instantconvert.online · its alternatives →
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Fast, free developer tools for JSON, XML, CSV, YAML and more
Sep 2026 · dataformattools.com · its alternatives →
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JSONLab▲2Fast, private json | format, validate & convert json online
Dec 2025 · jsonlab.xyz · its alternatives →
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One-click CSV ↔ JSON conversion — secure, open-source & free
2025 · toolgenius.app · 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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json formatter online, online json tool, format json
2025 · its alternatives →
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Free online json formatter, validator & editor tool
2025 · onlinejsonutils.com · its alternatives →
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Free Online Tools for Image Processing & Data Formatting
Feb 2026 · js-devtools.sidme.dev · its alternatives →
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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.
Jul 2026 · csvtool.io · 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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Format, convert (csv/xml/yaml), minify & tree view
2025 · wagleus.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 →