30 tools live · private by default
Tools that are fast, private and free.
Format JSON, split a PDF, calculate BMI - free Tech, Productivity, and Health tools that run in your browser. No uploads, no accounts, no waiting on a server.
Featured
Popular in Tech
Developer utilities that stay in your browser.
JSON Formatter & Viewer
Free online JSON formatter, minifier, validator, and viewer. Pretty-print, compress, check syntax, and explore JSON in text or tree view - nothing uploaded.
JS Beautifier
Free online JavaScript beautifier. Pretty-print and format JS in your browser with detailed indent and wrap options - nothing uploaded.
JWT Decoder
Inspect JWT header, payload, algorithm, and expiry in your browser. Decode only - signature is not verified.
Featured
Popular in Health
Private wellness calculators.
Featured
Popular in Productivity
Private PDF tools - nothing uploaded.
PDF Split
Free online PDF splitter. Split by page ranges, every N pages, or extract each page - privately in your browser. Max 5 MB. Nothing uploaded.
PDF Merge
Free online PDF merger. Combine multiple PDFs in order - privately in your browser. Up to 10 files, 5 MB each. Nothing uploaded.
PDF Rotate
Free online PDF rotator. Rotate selected pages 90 degrees left or right - privately in your browser. Max 5 MB. Nothing uploaded.
Browse
Categories
Tech tools, Health calculators, and Productivity PDF utilities.
Why Jigglify
Built for speed and privacy
Fast
No round trips. Every tool runs the moment you type.
Privacy First
Your data stays in the browser whenever possible.
Copy with One Click
Results are always one keystroke away from your clipboard.
Dark Mode
A theme built for long sessions in a dim room.
Mobile Friendly
Full functionality on any screen size, no compromises.
Free Forever
No accounts, no paywalls, no usage limits.
Find your next favourite tool
Browse the full catalogue - new tools ship every week.
Explore all tools