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Developer Tools · Productivity

WarpNav Tools

55 free, privacy-first browser utilities for developers and everyday tasks

55 developer and everyday utilities in one fast, searchable site, JSON, hashing, regex, timestamps, image tools and more. Runs locally in the browser, no uploads, no account, no cost.

Screenshot of the WarpNav Tools website

WarpNav Tools packs 55 small utilities into one fast, searchable site, the kind you reach for a few times a week and would otherwise hunt across a dozen ad-heavy pages. The developer set is genuinely deep: JSON parsing and formatting with type generation, CSS/JS/SQL/HTML formatting, regex testing, crontab preview, colour format conversion, base conversion, WebSocket testing, and Go struct/JSON conversion, alongside hashing and encryption tools like MD5, SHA, HMAC, AES, and base64.

Beyond code, it covers practical everyday tasks: image compression and watermarking, QR generation and decoding, timestamp and timezone conversion, unit conversion, loan and amount calculators, and a range of text tools. Most of it runs entirely in the browser, so sensitive text and files stay on your machine rather than being uploaded, and nothing needs an account.

Worth knowing: WarpNav is China-market first. The primary interface is Chinese with English and other languages available, and some tools are region-specific, RMB amount conversion, mainland ID-card validation, pinyin, and simplified/traditional Chinese switching. For an English-speaking developer the core coding and conversion tools translate fine; the locale-specific ones simply won’t be relevant. It’s a utility belt, not a workspace, so there’s no cloud sync, saved projects, or API.

What we like

  • 55 tools in one searchable place, no account needed
  • Most processing runs locally, files and text aren't uploaded
  • Strong developer set, JSON, JWT-style hashing, regex, cron, colour, base conversion

What to watch

  • China-market first, some tools are China-specific (RMB, ID card, pinyin)
  • No cloud sync, saved projects, or API

Try WarpNav Tools

Free · Free tier available.

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