OomTools

What it does

OomTools brings together 241+ free tools for PDFs, images, text, SEO, development, calculations and conversions. No registration is required, and all tools process your data privately inside your browser.

Free online tools for images, PDFs, text, SEO, and developers. Compress, convert, and calculate in your browser — fast, private, and no sign-up required.

Compress images, edit PDFs, format JSON, convert files, and calculate earnings — free, 100% private, and right in your browser. Shrink JPG, PNG and WebP files while keeping good visual quality. Change image dimensions by pixels or percentage with locked aspect ratio. Convert between JPEG, PNG and WebP with batch support and quality control. Combine several PDFs into one, reorder pages with keyboard-friendly controls. Count words, characters, sentences and reading time as you type. Convert text to UPPER, lower, Title, camelCase, snake_case and more. Format, validate and minify JSON with error locations and highlighting. Work out exact age in years, months and days, plus next birthday.…from oomtools.com

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  PDFToolsJun 2026 · allaboutpdfediting.xyz · ▲10

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  HandyTools OnlineAug 2026 · handytoolsonline.com · ▲2

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  Dev tools · 2d ago · dev-null.sh

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

  Dev tools · 27d 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 · 25d ago · github.com

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  OpenBot▲362

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

  Dev tools · 22d ago · openbot.run

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  Talanoa▲343

  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 · 20d 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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  Life & fun · Aug 2026 · louisabraham.github.io

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  Hey Noah▲656

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  AI · Aug 2026 · heynoah.io

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  Clipto MCP▲655

  Hey HN, We recently built Clipto. It’s a tool that lets you search over terabytes of video, audio, and images on your computer, without relying on the cloud. Motivation: we probably all had this similar experience, we know a moment exists in a video or audio, but finding it takes hours scrubbing the timeline. You can send all the media to process in the cloud, but it’s slow, expensive and raises privacy concerns. So we decided to build our own on-device media search engine. How it works (high level): 1. We ingest video, audio, image; normalize formats via ffmpeg; run content analysis to…

  Work · Aug 2026 · clipto.com

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  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▲620

  Claude for viral, high-converting social ads

  AI · Aug 2026 · adant.ai

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  Astute▲606

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  AI · Aug 2026 · company-app.joinastute.com