ToolVault

What it does

ToolVault is a privacy-first toolbox that runs 100% in your browser — files never leave your device. No uploads, no servers, no accounts. • AI background remover: real offline AI for one-click cutouts, fast & precise modes. • PDF suite: JPG to PDF, PDF to JPG, merge PDF, compress PDF. • Image tools: WebP/AVIF/HEIC/TIFF converter, compress, resize, flip, Base64. • Batch processing with full quality controls. • PWA: install as a standalone offline app. • Free forever.

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  AI Background Remover2024 · ▲221

  Fast & easily with just a few clicks - 100% free

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  PDF.ai Free tools2023 · ▲230

  Free PDF tools, merge, split, compress, compress, rotate etc

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  Image Background Remover2022 · ▲172

  AI-powered tool to remove and edit image backgrounds

• TP
  ToolKuai – Privacy-first, 100% client-side media toolsJan 2026 · toolkuai.com · ▲8

  Hi HN, I’m Linn, the creator of ToolKuai (https://toolkuai.com). Like many of you, I’ve always been wary of "free" online file converters. Most of them are black boxes: you upload your private documents or images to a remote server, and you have no idea where that data ends up or how it’s being used to train models. I wanted to build a suite of tools (Video/Image compressor, OCR, AI Background Remover) that runs entirely in the browser. No files ever leave your machine. The Tech Stack To make this performant enough to rival server-side processing, I leaned heavily into modern…

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  Tools.do23d ago · ▲1

  The all-in-one toolbox for everyday digital task (FREE)

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  Free Image Tools22d ago · ▲3

  Edit, convert, compress, and protect image files.

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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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  The New Calendly▲211

  Handle all of the work before, during, and after meetings

  Work · 17d ago · calendly.com

• TL
  The load-bearing vocabulary of Claude▲703

  Life & fun · 10d ago · louisabraham.github.io

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  Hey Noah▲641

  A proactive AI executive assistant for founders

  AI · Aug 2026 · heynoah.io

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  Clipto MCP▲640

  Let agents source clips from terabytes of your local video

  Work · 18d ago · clipto.com

• SA
  Simple algorithm and color space to generate diverse skin tones▲627

  Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…

  Life & fun · Aug 2026 · toneyalexander.github.io

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  AdAnt AI▲608

  Claude for viral, high-converting social ads

  AI · Aug 2026

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  I trained a 125M model to autocomplete piano on-device▲598

  I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.

  AI · 16d ago · simedw.com