ZeroData Tools

What it does

A growing collection of 32+ free online tools that run entirely in your browser. Nothing is uploaded, stored, or sent to a server. Open DevTools → Network tab → use any tool → zero outbound requests. That's not a privacy policy — it's architecture. Formatters, converters, security tools, and utilities — all client-side. No accounts, no cookies, no tracking, no paywalls. We're starting with dev tools, but any utility that can run privately in a browser belongs here. More coming.

Tired of leaking sensitive API keys, JWTs, or server configs to online tools? ZeroData Tools is the #1 100% Client-Side Developer & DevOps Utility Suite. Format, debug, and convert with zero data upload—your files never leave your browser.

Worried about pasting production API keys, JWTs, or infrastructure configs into third-party servers? ZeroData Tools processes everything 100% client-side in your browser. Format JSON, debug tokens, calculate Linux permissions, and convert Docker files with zero data upload—your code never leaves your machine. Your files, tokens, configs, and payloads stay in the browser. Formatting, validation, and conversion happen on-device, not on our servers. Each utility has its own landing page for faster reuse, linking, and search visibility. The useful part of a developer utility is the answer it gives you, not a permanent copy of the input. Many quick fixes involve data that was never meant to…from zerodatatools.com

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  Tiny Dev ToolsJan 2026 · tiny-dev-tools.vercel.app · ▲8

  170+ Privacy-First Developer Tools. Runs in your browser.

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  ZeroApiToolsJun 2026 · zeroapitools.vercel.app · ▲3

  Free, powerful, and fast client-side tools for developers

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  ZeroKitApr 2026 · zerokit.in · ▲1

  52 privacy-first dev tools that run 100% in your browser.

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  My ToolboxMay 2026 · aiappbox.tech · ▲3

  36+ free browser-based tools, zero signup, zero tracking

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  NicheUtils: 40+ Free Dev Tools 2025 · nicheutils.com · ▲9

  40+ dev tools that run 100% in your browser - no servers

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  Simple ToolkitNov 2025 · simpletoolkit.app · ▲6

  Privacy-first tools | no signup, no uploads, always free

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  /dev/null▲486

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

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

  Dev tools · 28d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

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

  Dev tools · 26d ago · github.com

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  OpenBot▲362

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

  Dev tools · 23d ago · openbot.run

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  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

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  CoreSpeed▲332

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

  Dev tools · 28d ago · corespeed.io

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  Brew ▲900

  Like Claude design for email marketing

  AI · May 2026 · brew.new

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  Kilo Code for VS Code▲896

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

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  StoreClaw▲806

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

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  PollyReach▲795

  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

  🌱 Private, quiet space for thinking. Simple app for .md files. - zakirullin/files.md

  Dev tools · May 2026 · github.com