The Audio Stuff Tools

What it does

12 client-side audio tools for audiophiles and sound engineers, all running in the browser. No account, no upload, no tracking. Includes: headphone amp power calculator, speaker amp power calculator, room mode visualizer, ABX double-blind test, Golden Ear frequency training, audio signal generator, hi-res audio fraud detector (FFT), SPL safe-listening timer, cable gauge calculator, treble roll-off calculator, and more. The math pro audio software charges for, free.

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  My Audio Tools5d ago · ▲1

  Edit, convert, test, and analyze audio online for free

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  TonaluxMay 2026 · tonalux.org · ▲2

  Free audio tools that run entirely in your browser

• AF
  AudioEditor – Free Online Audio ToolsApr 2026 · audioeditor.org · ▲5

  Professional audio editing tools right in your browser. No downloads, no installations.

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  TooltriAug 2026 · tooltri.com · ▲1

  20+ free tools that never leave your browser

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  We Have All The Tools: Free Online ToolsJun 2026 · wehaveallthetools.com · ▲4

  50+ free browser tools. No signup. No uploads.

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  ToolHavenMay 2026 · tool-haven.com · ▲6

  180+ free calculators, tools — EMI, BMI, GST, games & more

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  Clipto MCP▲640

  Let agents source clips from terabytes of your local video

  Work · 18d ago · clipto.com

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  HyNote for Mac▲383

  Free local transcription that is 100% Private

  Work · 17d ago · hynote.ai

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  VoiceOS App Store▲330

  The app store for voice native apps that lives in your notch

  Work · 28d ago · voiceos.com

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  Scrimba Explain▲325

  Ask any question, get a video back instantly

  Work · 24d ago · scrimba.com

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  CleanShot 5.0 with Studio Mode▲278

  Mac-native app for screenshots, recordings and collaboration

  Work · 5d ago · cleanshot.com

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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

• NW
  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

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

  Dev tools · May 2026 · github.com