Every dev tool.
One tab. Zero cloud latency.

A fast, privacy-first suite of 574 developer utilities running entirely on-device via Web Workers & WebAssembly. Zero sign-ups, zero tracking, zero server latency.

Browse 20 Categories Architecture & Privacy
0Categories
0Live tools
0msCloud Latency
100%Private & Offline
  • Files never leave your device
  • No sign-up · instant results
  • 100% free · works offline (PWA)
  • No accounts · no tracking
NEW

The tools you asked for — calculators, converters, PDF helpers and more, added this month.

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ON-DEVICE

Works with the connection off

The new batch runs on your device: rewrite text, cluster keywords, audit a backlink export and read a SERP snapshot with no key and no network. AI and live modes are opt-in.

Browse SEO tools
PDF POWER SUITE

Edit, search, clean & verify PDFs — all on your device

Five new on-device PDF tools: edit real text, make scans searchable (English · Hindi · Urdu), scrub hidden text & metadata, export form data, and health-check any file. Nothing is uploaded.

All PDF tools
WORKFLOWS

One file. One workflow.

Ready-made pipelines that chain the toolkit — upload once, get a finished result without hopping between tools.

Open Canvas Open Workflows
  1. 1Upload one file
  2. 2Extract · OCR · Translate
  3. 3AI understands it
  4. 4Export Excel · PDF · .md
🧾 TALLY & ACCOUNTING

Accounts, GST & TDS — right in your browser

Nine on-device accounting tools: GST invoices, return tracking, bank reconciliation, journal & trial balance, balance sheets, ledgers, TDS, VAT & depreciation. No sign-up, no uploads.

All accounting tools

Browse by category

574 tools live across 20 categories — text, JSON, HTML, CSS, JS, AI, Tally & more.

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Handcrafted Engineering Architecture

Zero bloat. Zero cloud surveillance. Built for high-velocity software engineers.

Instant WASM & Workers

Every utility compiles and executes inside dedicated Web Worker threads — 0ms server latency and zero round-trips.

Zero-Leak Privacy

Hardware Web Crypto API encryption. Your code, keys, and documents never leave your physical device.

Direct BYOK AI Integration

Zero markup proxy. Plug your own Gemini, OpenAI, Claude, or DeepSeek API key for infinite direct generation.

100% Offline PWA Ready

Full ServiceWorker cache. Use the entire 574+ toolkit on planes, trains, or air-gapped secure development environments.