nowfound

Dev tools · June 17, 2026

CSV to JSON Converter

16 free browser-based CSV tools — no upload, no signup

CSV to JSON Converter launched on June 17, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.

What it does

CSV Toolkit is a free, privacy-first collection of browser-based CSV tools. Convert, format, validate, clean, split, sort, filter, and transform CSV files — all without uploading your data to any server. Tools include CSV to JSON Converter, CSV Validator, CSV Formatter, CSV Duplicate Remover, CSV Viewer, CSV Encoding Checker, CSV Splitter, CSV Sorter, CSV Cleaner, CSV Row Filter, and more. Everything runs in your browser. Your data never leaves your device.

Convert CSV to JSON online with a fast, private browser-based tool. Choose array, column-based, or keyed JSON and preview your data instantly.

Paste your CSV data below and get clean, formatted JSON in seconds. Everything runs in your browser — your data never leaves your device. Your JSON output will appear here... Paste CSV data to see JSON output Drop a CSV file or paste your data directly into the input area. The converter automatically detects types and formats your JSON output. Looking for a fast and reliable way to convert CSV to JSON? Our free CSV to JSON converter transforms your comma-separated data into clean, structured JSON in seconds. Whether you need to export CSV to JSON for a web API, a database import, or a data pipeline, this tool handles it all — directly in your browser with zero data uploads. Simply paste…from csvtojsonconverter.com

Does a similar job

all alternatives →
  • CSV Tools Online2025 · csvtoolsonline.com · ▲13

    Powerful data tools. No coding.

  • EC
  • Convert Large CSV/XLSX to JSON or XML in Browser2025 · csvforge.com · ▲41

    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…

  • Convert JSON to a set of tidy CSVs2020 · github.com · ▲11
  • CSVTool.ioJul 2026 · csvtool.io · ▲4

    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.

  • CSV to JSON Converter by ToolVizeJul 2026 · toolvize.com · ▲2

    Fast, 100% client-side, and ad-free CSV parser

More dev tools this month

the category →
  • /dev/null▲486

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 28d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 26d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Product Hunt launch ↗

Launched alongside, June 2026

the whole month →
  • Fundraisly▲1,537

    AI fundraising agent that finds investors and books meetings

    AI · Jun 2026 · fundraisly.com

  • Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!

    Dev tools · Jun 2026 · brew.sh

  • Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!

    Life & fun · Jun 2026 · vorpus.github.io

  • Upstream▲976

    The inbox designed for humans and agents

    AI · Jun 2026 · upstream.do

  • Goldfish▲958

    Press Option. It knows your work and replies like you

    AI · Jun 2026 · goldfish.sh

  • Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.

    Life & fun · Jun 2026 · hackernewstrends.com