All Tools
201 tools and counting
One-Rep Max Calculator
Estimate your one-rep max (1RM) from any weight and rep count.
Use Tool → PDF ToolsPDF Metadata Editor
View and edit a PDF's title, author, subject, and keywords.
Use Tool → Unit ConvertersPower Converter
Convert between Watts, Kilowatts, and Horsepower.
Use Tool → Health & Fitness ToolsPregnancy Due Date Calculator
Estimate your due date from the first day of your last period.
Use Tool → Unit ConvertersPressure Converter
Convert between Pascal, Bar, PSI, and Atmosphere.
Use Tool → Math & CalculatorsPrime Number Checker
Check instantly whether a number is prime.
Use Tool → Finance ToolsRule of 72 Calculator
Quickly estimate how long it takes an investment to double.
Use Tool → Social Media ToolsSocial Media Post Idea Generator
Get post idea prompts tailored to your niche.
Use Tool → Health & Fitness ToolsSteps to Calories Converter
Estimate how many calories your daily steps burned.
Use Tool → Health & Fitness ToolsTDEE Calculator
Estimate your Total Daily Energy Expenditure based on your training days.
Use Tool → Social Media ToolsThread Splitter
Split long text into numbered posts that fit a character limit.
Use Tool → Unit ConvertersVolume Converter
Convert between milliliters, liters, gallons, and cubic units.
Use Tool → Math & CalculatorsAverage / Median Calculator
Calculate mean, median, mode, and range for a set of numbers.
Use Tool → Unit ConvertersData Storage Converter
Convert between bytes, KB, MB, GB, and TB.
Use Tool → Unit ConvertersEnergy Converter
Convert between Joules, Calories, and Kilowatt-hours.
Use Tool → Unit ConvertersFrequency Converter
Convert between Hertz, Kilohertz, Megahertz, and RPM.
Use Tool →Fast & Easy
Our tools are built for speed and simplicity. Get results in seconds.
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🔥 Popular Tools
View all tools →Merge PDF
Combine multiple PDF files into a single document.
Use Tool → Text ToolsWord Counter
Count words, characters, sentences, and paragraphs instantly.
Use Tool → Finance ToolsInvoice Generator
Create a printable invoice or quotation with a live preview, itemised costs, any currency and tax worked out for you.
Use Tool → Text ToolsJSON Formatter
Format, validate, and beautify JSON data instantly.
Use Tool → Image ToolsBulk Image Compressor
Compress up to 20 images at once and download them all in one ZIP.
Use Tool → PDF ToolsPDF to Word Converter
Convert PDFs to editable Word with OCR and layout preservation
Use Tool → PDF ToolsSplit PDF
Extract a specific page range from a PDF into a new file.
Use Tool → Fun ToolsSurpriseQR
Create a time-locked surprise with a photo, video, or message, and share it as a QR code.
Use Tool → Health & Fitness ToolsSleep Calculator
Find the best time to go to bed or wake up, based on 90-minute sleep cycles.
Use Tool → Image ToolsImage Editor
Crop, rotate, adjust, watermark and cut out - all in one, in your browser.
Use Tool →Google Gemini 4 Argon: New AI Model for Coding, Research and Complex Tasks
Google's Gemini 4 Argon is presented as an advanced AI model designed to assist with complex coding, scientific research, cybersecurity, legal work and financial analysis. Its capabilities highlight the growing role of AI in automating multi-step tasks and improving professional productivity.
Read article →Latest from the blog
View all posts →Skip the Prompt: Why a Tool Sometimes Beats Asking AI
For small, well-defined tasks the prompt is the slow part. Where a single-purpose tool wins, and where describing what you want is genuinely worth it.
Tool Tips & GuidesThe Hidden Water Cost of Every AI Prompt
Why answering a prompt uses water, what the research actually says about how much, and where a lightweight tool genuinely helps.
Tool Tips & GuidesWhat Is a Readability Score, and Should You Chase One?
The score counts syllables and sentence length rather than clarity. What it genuinely catches, and the three things it cannot see.