I built a free online toolbox with 260+ tools — here's the tech stack and what I learned

Jun 26, 2026 · 6:45 AM UTC ·5 min read · 0 reactions · 0 comments · 30 views

#webdev #programming #privacy #nextjs #pwa #Anirudha Sonwane #ToolReign #Giant Leap Systems #Next.js #Tailwind CSS #Recharts

TL;DR · WeSearch summary

Anirudha Sonwane created ToolReign, a free online toolbox offering over 260 utilities across categories such as developer tools, finance calculators, and PDF manipulation. The site is built with Next.js 14 App Router, exported as a static site, and runs entirely in the browser to keep user data private. SEO and metadata are generated automatically from a shared registry to keep URLs and social tags consistent.

Key facts

▪ToolReign provides more than 260 tools in 15 categories, all accessible without sign‑up or server‑side file uploads.
▪The application uses Next.js 14 with static export, Tailwind CSS, next‑themes, Recharts, DOMPurify, pdf‑lib, pdfjs‑dist, and the Web Audio API.
▪All processing is performed client‑side, ensuring that user data never leaves the browser and improving privacy.
▪Metadata and Open Graph tags are generated programmatically from a tool‑registry.json file to avoid manual drift.
▪The site is deployed as a static out/ folder on a static host and packaged as a PWA via next‑pwa for installable use.

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Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.

Record

Original publisher	DEV.to (Top)
Canonical URL	https://dev.to/anirudha_sonwane_ca3fc720/i-built-a-free-online-toolbox-with-260-tools-heres-the-tech-stack-and-what-i-learned-2o44
Publication time	Fri, 26 Jun 2026 06:45:15 +0000
Retrieval time	2026-06-26T07:07:29.748Z
Last seen	2026-06-26T07:07:29.748Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	oQSPyy-jt9xA
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reason	Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

Rights status (four layers)

Publisher-declared

No publisher-confirmed rights record for this source yet.

Machine-readable

No source-specific machine-readable restriction detected beyond the public feed.

WeSearch interpretation

WeSearch declared handling (basis: Derived from the published RSS/Atom feed). This is WeSearch policy, not a legal grant on the publisher's behalf.

Unknown

Retrieval and training permissions are not asserted unless the publisher confirms them.

WeSearch handling by dimension

Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 4002203) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Anirudha Sonwane Posted on Jun 26 I built a free online toolbox with 260+ tools — here's the tech stack and what I learned #webdev #programming #ai #nextjs Every small task used to mean a new tab. JSON formatter on one site, GST calculator on another, PDF merger somewhere that wanted my email before it would merge two pages. Ads everywhere, slow UIs, and that low-grade worry about uploading a payslip or invoice to a server I do not control.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).

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