CSVall — 100+ Free Online CSV Tools

What it does

The most comprehensive suite of free online CSV tools. Convert CSV to Excel, JSON, XML and 20+ formats. Clean, transform, and analyze your data — 100% browser-based, no signup required.

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  CSV to JSON ConverterJun 2026 · csvtojsonconverter.com · ▲3

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

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  HowToCSVJun 2026 · howtocsv.com · ▲4

  Even if you hate spreadsheets, you'll love this

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  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…

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  CSVTool.ioJul 2026 · csvtool.io · ▲4

  Free CSV tools that run entirely in your browser

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  CSV.inkJul 2026 · csv.ink · ▲5

  Quickly read CSV files, edit CSV tables, and convert CSV.

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  حقيبة الأدوات الذكية25d ago · smart-tools-7.blogspot.com · ▲3

  Instant online JSON to CSV data converter tool.

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  Dograh▲592

  The open source VAPI alternative

  Dev tools · 25d ago · dograh.com

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  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 20d ago · meridiona.com

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  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 11d ago · x1.new

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  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 29d ago · gtmcofounder.com

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  Open-Source eInk Bike Computer▲398

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 2d ago · opentrailpaper.com

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  Nuphos▲380

  The AI-Native DevOps Workspace.

  Dev tools · 24d ago · nuphos.ai

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  Brew ▲905

  Like Claude design for email marketing

  AI · May 2026 · brew.new

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  Kilo Code for VS Code▲897

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

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  StoreClaw▲805

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

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  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

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  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

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  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com