Toolsnest

All tools

347 free, private, browser-based tools across 9 categories.

Every tool here runs entirely in your browser, so your files and text stay on your device and nothing is ever uploaded. Search by name to jump straight to a tool, or browse the categories below — PDF, image, developer, text, colour and calculators. They are all free, with no sign-up and no limits.

PDF Tools

64 tools · Merge, split, convert, sign, protect and edit PDFs privately in your browser.

Image Tools

19 tools · Convert, resize, crop and optimise images — nothing is uploaded.

Calculators

101 tools · Finance, health, math, dates, units, education and more.

Developer Tools

81 tools · Encoders, formatters, validators and converters for everyday dev work.

Text Tools

33 tools · Transform, count, clean and generate text instantly.

Color Tools

23 tools · Convert color formats, build palettes and analyse images.

Image (1)

Generators

7 tools · Passwords, QR codes, UUIDs, barcodes and random data.

SEO & Content

9 tools · Optimise titles, slugs, keywords and structured data.

Social Media

10 tools · Counters, formatters and fancy text for every platform.