OnlineToolsZone

What it does

The ultimate suite of 49+ free online tools. Compress PDFs, convert images, format JSON, generate secure passwords and more instantly in your browser.

Merge PDFs, compress images & fix grammar in seconds — 49+ free tools, no signup. 256-bit encryption; files deleted in 1 hour. Works on mobile & desktop.

PDF tools, image converters, AI writing tools and more. No signup. No limits. From quick file conversions to advanced developer utilities, we have exactly what you need. Convert PDF pages to high-quality PNG images online for free. Resize images to any width and height while preserving aspect ratio. Crop images online for free with a simple drag-and-select interface. Convert images to Base64 encoded strings for use in HTML or CSS. Generate favicons in all sizes from any image for your website. Calculate percentages, increases, decreases, and percentage differences instantly. Calculate Goods and Services Tax (GST) inclusive and exclusive amounts, CGST/SGST/IGST splits, and invoice totals…from onlinetoolszone.com

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  PDF.ai Free tools2023 · pdf.ai · ▲230

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

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  Free Online PDF, SEO, Image Tools2025 · allwebtoolkit.com · ▲14

  Free Online PDF, SEO, Image andText Tools

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  30tools2025 · ▲14

  Free online toolkit | 75+ tools for image, video, pdf & more

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  PDF Tools2025 · pdf-vert.com · ▲14

  Free browser-based PDF toolkit — no uploads, no sign-up

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  PDFToolsJun 2026 · allaboutpdfediting.xyz · ▲10

  Free, private PDF editor — no server uploads, no signup

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  Compress Dec 2025 · compressdocument.edgeone.dev · ▲6

  18+ free online tools (pdf, images, documents) 2024

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  /dev/null▲494

  a social network for devs

  Dev tools · 4d ago · dev-null.sh

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  Run full iOS 16.5 firmware on Android Devices▲470

  Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

  Dev tools · 22h ago · github.com

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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 · 29d 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 · 27d ago · github.com

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  OpenBot▲362

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

  Dev tools · 24d 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 · 22d ago · talanoa.email

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  Lightfield▲901

  AI-native CRM that builds itself and does work for you

  AI · Mar 2026 · lightfield.app

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  Tobira.ai▲728

  A network where AI agents find deals for their humans

  AI · Mar 2026 · tobira.ai

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  Claude Import Memory▲716

  Switch from ChatGPT to Claude with import memory feature

  AI · Mar 2026 · claude.com

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  Littlebird▲709

  Littlebird remembers everything across your meetings, messages, docs, and apps, then takes action so you can recall any detail and never lose context.

  AI · Mar 2026 · littlebird.ai

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  Viktor.com▲702

  Your AI Coworker that proactively executes tasks

  AI · Mar 2026 · viktor.com

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  Jupid▲659

  File your taxes with Claude Code

  Commerce · Mar 2026 · jupid.com