A curated index of free browser-based tools for small businesses, creators, marketers, and developers.
Most tools in this directory are privacy-friendly, no-signup utilities that run in the browser or provide fast reference workflows. The collection is maintained by CoolDK Studio.
Business Template Hub provides free business document templates with no signup. It focuses on SOPs, job descriptions, and other small-business documents with clean exports for Word, Google Docs, and PDF.
Invoice PDF creates professional invoices, receipts, and estimates as PDFs in seconds. It is built for privacy-first browser workflows with no signup, no watermark, and no upload.
B2B ROI Calculator helps teams model marketing, SEO, CRM, and B2B growth ROI with benchmarks, transparent formulas, and exportable reports.
Free Contract Maker helps small businesses and freelancers draft common agreements through guided questions and export editable Word or PDF documents.
AI SEO Hub offers free browser-based SEO utilities for meta descriptions, title tags, schema, keyword ideas, and sitemaps.
Flow Templates is a library of workflow automation templates for n8n, Zapier, Make, and related business automation tools.
Prompt Library is a clean collection of AI prompts for business, creative, writing, and productivity tasks across ChatGPT, Claude, Gemini, and other AI tools.
MinutesAI turns pasted meeting, call, video, or webinar transcripts into structured summaries, decisions, and action items without adding a bot to calls.
Diagramgen creates flowcharts, sequence diagrams, ER diagrams, UML diagrams, mind maps, and architecture diagrams from text.
AI Coding Hub helps developers compare AI coding assistants, vibe coding tools, model workflows, and AI development stacks.
Free Mockup is a browser-based mockup generator for T-shirts, books, wall art, print-on-demand assets, and creator workflows.
Free Video Compressor compresses MP4 and other video files locally in the browser, with no upload, no signup, and no watermark.
Free Tattoo helps people explore AI-assisted tattoo ideas, prompt presets, style directions, placement concepts, and stencil-friendly inspiration.
Niche Logo creates niche logo concepts for bands, gaming, sports teams, creators, YouTube channels, and small brands, with SVG or PNG exports.
Free Room Redesign helps homeowners and creators explore AI room design ideas, before-after examples, and room-specific style directions.
Free Headshot helps users compare professional AI headshot styles for LinkedIn, resumes, team pages, and personal branding.
- Need a business document: start with Business Template Hub, Invoice PDF, or Free Contract Maker.
- Need SEO or AI workflow help: start with AI SEO Hub, Prompt Library, Flow Templates, or MinutesAI.
- Need developer documentation visuals: start with Diagramgen.
- Need creative assets: start with Free Mockup, Niche Logo, Free Tattoo, Free Room Redesign, or Free Headshot.