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Dev tools · alternatives · 2026

24 alternatives to JSONXMLKit

I 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!

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com · its alternatives →

  2. 2

    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 →

  3. 3

    47 free JSON tools — all in your browser, zero uploads

    Jun 2026 · jsonkit.in · its alternatives →

  4. 4

    Format, 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 →

  5. 5

    Instant Base64 encode/decode, JSON format & data processing!

    2025 · base64haven.com · its alternatives →

  6. 6

    Free json formatter & viewer online

    2025 · nexonware.com · its alternatives →

  7. 7

    Collection of free online tools to help in web development

    2025 · onlinewebdevtools.com · its alternatives →

  8. 8

    Swift CLI tool for converting any XML to JSON format - engali94/XMLJson

    2020 · github.com · its alternatives →

  9. 9

    json formatter online, online json tool, format json

    2025 · its alternatives →

  10. 10

    Every tool a developer needs, all in one place

    2025 · toolkit-hub.gotodev.ma · its alternatives →

  11. 11

    All-in-one JSON Tool - Parse, format, search, and query JSON

    2024 · its alternatives →

  12. 12

    I've been at it again, just sharing my simple JSON data inspection tool, love webdev and single page apps, this one took 4 days and was a lot of fun. The code is not obfuscated so you can inspect it and see how it works (very simple, server side is even more simple) Pretty much just do a POST of your JSON data from within your code and it will convert it into a basic table for instant search and sort. Made with love for the fun of it, no ads, no paid anything, it's totally free. Please only send in sanitized/test data only, this is meant to help make webdev a bit easier and more fun.…

    2025 · jsonbason.com · its alternatives →

  13. 13

    Json formatter, base64 decoder, time converter

    2025 · cleancode.tools · its alternatives →

  14. 14

    Free Swiss Army Knife for JSON Data

    2025 · its alternatives →

  15. 15

    Free & Private JSON Tools That Run in Your Browse

    May 2026 · jsondevtools.org · its alternatives →

  16. 16

    Your everyday developer toolkit, online and free.

    2025 · mtkits.com · its alternatives →

  17. 17

    30 free developer tools. No ads, no signup, no BS.

    Feb 2026 · tools.shanecode.org · its alternatives →

  18. 18
    Tooly▲5

    I kept opening online JSON formatters and getting buried in ads and popups. So I made a clean version with a few tools I actually use daily – JSON formatter with syntax highlighting, Base64 encoder/decoder, JWT decoder, text diff, and timestamp converter. Everything runs client-side. No tracking, no server calls, no signup walls. Built with React 19 and TypeScript. It's open source: https://github.com/chken007/tooly My 5-year-old helped name it. She insisted on "Tooly" and I couldn't argue with that logic. Open to feedback – especially if you spot bugs or have…

    Dec 2025 · tooly.one · its alternatives →

  19. 19

    Modern Developer Toolkit

    Jan 2026 · jsonplayground.online · its alternatives →

  20. 20

    Transform your data into interactive graphs

    2025 · its alternatives →

  21. 21

    Free JSON toolkit: format,convert,validate. No signup needed

    Apr 2026 · jsonoperations.com · its alternatives →

  22. 22

    Free JSON toolkit — format, validate, diff & repair

    Jul 2026 · freejsonparser.com · its alternatives →

  23. 23

    Convert any JSON to Excel in second 100% private, no uploads

    Mar 2026 · jsontoexcel.cloud · its alternatives →

  24. 24

    Hey HN, I built rawkit.dev, a collection of browser-based developer utilities. No ads, no signups, no tracking. Everything processes client-side — your data never touches a server. The tools: - JSONForge: JSON editor with tree/graph views, diff, transform, JQ-style queries, format conversion - SQLSandbox: SQLite via WASM — import CSVs, write SQL, join across files - Regexplorer: Regex builder with live matching, plain English mode,nmulti-language export - SiftLog: Log file viewer with auto-detection, severity filtering, regex search, timeline - Tabulate: CSV/TSV viewer with…

    Feb 2026 · rawkit.dev · 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 →