Calculators
Calculator
Handle quick everyday calculations with a clean keypad.
FreeUse Tool
Free online tools
Simple tools for everyday digital work
Convert files, clean text, manage PDFs, prepare images and complete everyday tasks without complicated software.
Browse by category
Find the right tool faster
Jump straight into the type of work you want to finish.
Popular tools
Start with the tools people reach for first
Quick access to common everyday jobs: QR codes, text cleanup, passwords, counting, calculations and PDF creation.
Text and Writing
Case Converter
Change text into uppercase, lowercase or title case.
FreeUse Tool
Text and Writing
Character Counter
Count characters, words, spaces and sentences.
FreeUse Tool
PDF and Documents
Compress PDF
Create a lighter browser-rendered PDF copy.
FreeUse Tool
PDF and Documents
Images to PDF
Turn photos into one clean PDF.
FreeUse Tool
PDF and Documents
Merge PDFs
Combine multiple PDF files in your browser.
FreeUse Tool
Calculators
OANDA Currency Converter
Convert currencies with OANDA's embedded currency converter.
FreeUse Tool
Business and Productivity
Password Generator
Create strong random passwords locally and privately.
FreeUse Tool
Digital work kits
PDF products by WinWorkHub
Downloadable PDF workbooks, templates and practical guides for everyday digital work, planning and productivity. These paid kits go deeper than the free tools, with ready-made workplace documents, email templates and structured guides you can use immediately.
Chrysoro is the free tools platform from WinWorkHub.
Live currency converter
OANDA Currency Converter
Currency data and converter provided by OANDA.
When you load the converter, your browser connects to an OANDA service. OANDA terms and privacy practices may apply.
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Exciting AI tools are coming soon.
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Built for quick digital work
Private, fast, and clean by default.
Chrysoro focuses on small tools that do one job well, with browser-first processing wherever possible.
Browser-first
Text and supported file tools run locally whenever the browser can handle the job.
Reliable tools
Every public tool should feel clear, finished, and usable on mobile and desktop.
Everyday speed
Open a tool, complete the task, and download or copy the result without extra noise.