
VVentures, 50+ Free Online Tools (Convert, AI, PDF, Media)
Free online toolkit with 50+ tools for file conversion, AI generation, PDF editing, and video.
@smarterV01 · X
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60 projects

Free online toolkit with 50+ tools for file conversion, AI generation, PDF editing, and video.
@smarterV01 · X

Browser-based markdown editor with live preview and export to HTML, Word, and PDF.
u/Eleraffa · Reddit
Built a browser-only Markdown editor for my own daily LLM workflows — live DBML schemas, proper DOCX export, token counts Hey r/SideProject , I move a lot of text between LLMs, local docs, and web tools every day. I couldn't find a lightweight browser editor that handled a few specific micro-annoyances without shoving ads in my face, requiring a signup, or routing text through a server. So I vibe-coded Markdown Online (mostly hacked together with Claude) to solve my own itch. It’s a plai

Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.

Browser-based suite of privacy-first developer tools including JSON formatter, password generator, QR studio, and Base64 encoder.
@Toolkit__ai · X

Free no-login business tools for freelancers: invoicing, VAT calculation, quotations, expenses, and naming.
@tools_loop · X

Edit PDFs in your browser with compression, merging, AI analysis, and no cloud uploads.
@pdfproindia · X

Free tool to download videos and audio from YouTube, TikTok, Instagram and more.
@myrrakle · X

Merge, split, compress, and convert PDFs in your browser entirely offline.
@no_hitori69465 · X
*"I just launched PDFLabs! 🚀 A free PDF toolkit (merge, split, compress) that runs 100% in your browser. No servers, no uploads, 100% private. Built with vanilla JS and pdf-lib. Try it out and let me know what you think! [ #buildinpublic #100DaysOfCode

Free in-browser PDF tools for merging, splitting, converting, and editing without uploading files.
u/Key_Caramel_5578 · Reddit
Built a free PDF toolkit solo (with AI help) — need feedback on the in-browser text editor before I keep pushing on it Been heads-down on this for a while: thepdftool.in Standard PDF stuff : merge, split, compress, convert, OCR — but most of the conversion tools run entirely client-side (WASM), so files never leave your browser for those. Built solo, leaned on AI tools for a good chunk of the code and debugging. The feature I care most about right now is an inline text editor :— click i

Merge, split, compress, convert, sign, and protect PDFs directly in your browser.
@buildappfactory · X
Our three products

Browser tools for practical fixes to everyday software tasks, starting with GitHub.
yusveng · HN
Workaround – Unstar GitHub Repos in Bulk

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react