Text & Writing
Write, clean, compare, transform and analyse text. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗THE PRACTICAL PLAYBOOKGuides for every tool.
Guides for every tool.
Learn as you work.
Browse category overviews and individual tool guides. Each tool page includes usage instructions, practical limitations and frequently asked questions.
Category guides
Developer Tools
Inspect, format, validate and transform code and structured data. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Calculators
Fast calculators for everyday, scientific and practical tasks. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗SEO & Web
Create, inspect and improve search and website metadata. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Security & Privacy
Generate secure values and inspect common security formats locally. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Converters
Convert measurements, numbers, dates and common data formats. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Image Tools
Resize, convert, crop and enhance images in your browser. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗PDF Tools
Organise, inspect and transform PDF files locally in your browser. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Productivity
Plan work, organise notes, structure meetings and make everyday workflows easier. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗Business & Finance
Practical business, cash-flow, pricing, inventory and finance utilities. Explore the category, choose a tool, and follow its step-by-step instructions and FAQs.
Browse category guide ↗TOOL-BY-TOOL INSTRUCTIONS
Category ↗Text & Writing
Word Counter
Count words, characters, sentences and estimate reading time.
Case Converter
Convert text to upper, lower, title and sentence case.
Duplicate Line Remover
Remove repeated lines and keep your list tidy.
Text to Slug
Create clean URL slugs from titles and phrases.
Word Frequency Counter
Find the most frequent words in your text.
Line Sorter
Sort lines alphabetically.
Reverse Text
Reverse characters or the order of lines.
Find and Replace
Replace matching text throughout your content.
Character Frequency
Count each character used in your text.
Sentence Counter
Count sentences and estimate reading time.
Reading Time Estimator
Estimate reading time at a chosen words-per-minute pace.
Whitespace Cleaner
Collapse repeated spaces and normalise whitespace.
Blank Line Remover
Remove empty lines while preserving non-empty text.
Line Numbering Tool
Add sequential line numbers to each line.
Line Prefix & Suffix
Add a prefix and suffix to every line.
Descending Line Sorter
Sort lines in reverse alphabetical order.
Line Shuffler
Shuffle lines using browser randomness.
Email Extractor
Find email addresses in pasted text.
URL Extractor
Find web URLs in pasted text.
Number Extractor
Extract integer and decimal values from text.
camelCase Converter
Convert phrases to camelCase identifiers.
snake_case Converter
Convert phrases to snake_case identifiers.
kebab-case Converter
Convert phrases to kebab-case identifiers.
Text Difference Checker
Compare two text blocks and show changed lines.
Text Repeater
Repeat text a selected number of times.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Developer Tools
JSON Formatter
Format, validate and minify JSON with clear errors.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
URL Encoder / Decoder
Encode or decode URL components safely.
HTML Entity Encoder
Escape HTML-sensitive characters and decode entities.
Unix Timestamp Converter
Convert Unix timestamps and readable dates.
Unicode Encoder / Decoder
Encode text as Unicode code points or decode escaped Unicode sequences with validation.
Binary Encoder / Decoder
Convert UTF-8 text to binary bytes and decode binary byte groups back into text.
ROT13 Encoder / Decoder
Apply reversible ROT13 letter substitution to text locally in your browser.
Morse Code Converter
Convert letters, numbers and common punctuation to International Morse code and back.
JSON to CSV Converter
Convert an array of JSON objects into a downloadable CSV.
QR Text Helper
Prepare clean text and links for QR-code workflows.
HTML Preview
Preview a small HTML snippet in a sandboxed frame.
CSV to JSON
Convert comma-separated values into JSON objects.
JSON Validator
Validate JSON syntax and report whether it parses.
HTML to Plain Text
Extract readable text from an HTML snippet.
Number Base Converter
Convert integers between binary, decimal, hexadecimal and octal.
JSON Path Extractor
Read a value from JSON using a simple dot path.
JSON Key Sorter
Sort object keys recursively for consistent diffs.
JSON to TypeScript
Infer a TypeScript type from a JSON sample.
CSV to TSV
Convert CSV rows into tab-separated values.
TSV to CSV
Convert tab-separated values into escaped CSV.
XML Entity Escaper
Escape XML reserved characters.
HTML Minifier
Remove safe HTML whitespace and comments from snippets.
CSS Minifier
Remove comments and compact CSS whitespace.
SQL Formatter
Format common SQL keywords onto readable lines.
Regular Expression Tester
Test a JavaScript regular expression against sample text.
UUID Validator
Check whether a string has UUID syntax.
Query String Parser
Parse a query string into readable JSON.
URL Component Inspector
Break a URL into protocol, host, path and query.
Live Code Studio & Debugger
Run JavaScript, TypeScript, Python and SQL in your browser, inspect errors, and save shareable code workspaces.
Custom Branded QR Code Generator
Create custom QR codes with brand colors, logo overlays, corner styles and PNG/SVG export directly in your browser.
Auto-Expiring Secure File Vault QR
Upload supported files to temporary local storage, create branded QR links, optionally protect access with a password, and expire links after 72 hours or one week.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Calculators
Percentage Calculator
Calculate percentages, percentage change and differences.
GST Calculator
Calculate GST amount and inclusive or exclusive totals.
EMI Calculator
Estimate monthly loan instalments and total interest.
Age Calculator
Calculate age in years, months and days.
Random Number Generator
Generate a random integer in a chosen range.
Average Calculator
Calculate mean, median, minimum and maximum.
Discount Calculator
Calculate savings and final price after a discount.
Compound Interest Calculator
Estimate compound growth using principal, rate and years.
BMI Calculator
Calculate body mass index from weight and height.
Simple Interest Calculator
Calculate simple interest and maturity amount.
Tip Calculator
Calculate tip, total and per-person split.
Bill Split Calculator
Split a bill equally across people.
Sales Tax Calculator
Calculate tax and final total from a rate.
Profit Margin Calculator
Calculate gross profit and margin percentage.
Markup Calculator
Calculate selling price from cost and markup.
Break-even Calculator
Calculate break-even units from fixed cost and contribution.
Ratio Simplifier
Reduce a two-number ratio to simplest whole numbers.
Fraction Calculator
Add, subtract, multiply or divide two fractions.
Date Difference Calculator
Calculate days between two dates.
Time Duration Calculator
Calculate elapsed time between two clock times.
Speed Distance Time Calculator
Solve speed, distance or time from two known values.
Rectangle Calculator
Calculate rectangle area, perimeter and diagonal.
Circle Calculator
Calculate circle circumference and area.
Work Hours Calculator
Calculate shift duration and net hours after a break.
Percentage Increase Calculator
Calculate the absolute and percentage increase.
SIP Investment Calculator
Estimate SIP future value, total invested amount and potential returns using monthly contributions and an assumed annual return.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗SEO & Web
Meta Tag Generator
Generate title, description and social sharing meta tags.
Robots.txt Generator
Build a robots.txt file for common crawl rules.
SEO Title Length Checker
Count title characters and preview a search snippet.
Meta Description Checker
Measure description length and preview a snippet.
SERP Snippet Preview
Preview a title, URL and description as a search result.
Canonical URL Tag Generator
Generate a canonical link element.
Open Graph Generator
Create social sharing metadata.
Twitter Card Generator
Create Twitter/X card metadata.
JSON-LD Schema Generator
Generate basic WebSite or Organization JSON-LD.
Robots Meta Generator
Generate index/follow meta directives.
XML Sitemap Generator
Generate a sitemap from a list of URLs.
Sitemap XML Validator
Check sitemap XML structure and URL entries.
Keyword Density Checker
Calculate word and phrase frequency percentages.
Heading Structure Auditor
Inspect heading hierarchy in pasted HTML.
Image Alt Text Auditor
List images missing alt attributes from HTML.
Link Extractor
Extract and list links from HTML.
Hreflang Tag Generator
Generate language-region alternate link tags.
URL Slug SEO Checker
Check a URL slug for common readability issues.
Meta Robots Tester
Explain common robots directive combinations.
FAQ Schema Generator
Generate FAQPage JSON-LD from question-answer pairs.
Breadcrumb Schema Generator
Generate BreadcrumbList JSON-LD from labels and URLs.
Redirect Rule Helper
Draft common Apache or Nginx redirect rules.
HTTP Header Checklist
Create a security and SEO response-header checklist.
Open Graph Debug Text
Inspect key Open Graph tags in pasted HTML.
SEO Content Brief Builder
Create a structured content brief from a topic and keywords.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Security & Privacy
Password Generator Pro
Generate multiple cryptographically random passwords with configurable length and character sets.
Password Generator
Generate random passwords with configurable character sets.
UUID Generator
Generate UUID v4 identifiers in your browser.
Password Strength Estimator
Estimate password length and character-class diversity locally.
Password Entropy Estimator
Estimate theoretical entropy from length and alphabet size.
Secure Token Generator
Generate random URL-safe tokens with browser crypto.
Random PIN Generator
Generate a cryptographically random numeric PIN.
Passphrase Generator
Generate a readable random passphrase from a local word list.
Random Hex Generator
Generate random hexadecimal bytes.
SHA-256 Text Hash
Calculate a SHA-256 digest using Web Crypto.
SHA-512 Text Hash
Calculate a SHA-512 digest using Web Crypto.
HMAC-SHA256 Generator
Calculate an HMAC-SHA256 digest with a supplied key.
Hash Comparator
Compare two hash strings without case sensitivity.
JWT Payload Decoder
Decode JWT header and payload without verifying signatures.
UUID Batch Generator
Generate multiple UUID v4 identifiers.
Hex to Text Decoder
Decode a hexadecimal byte string to UTF-8 text.
Text to Hex Encoder
Encode UTF-8 text as hexadecimal bytes.
Base64 URL-Safe Encoder
Encode text as URL-safe Base64.
CSP Header Builder
Build a starter Content-Security-Policy header.
CSP Directive Explainer
Explain common Content-Security-Policy directives.
Password Masking Tool
Mask a pasted secret for display or sharing.
Secure Random Number
Generate a random integer in a chosen inclusive range.
File SHA-256 Checker
Calculate a SHA-256 hash of a selected file.
URL Safety Checklist
Review a URL for common suspicious patterns.
HTML Sanitisation Preview
Remove script and event-handler patterns from an HTML snippet.
Secret Redactor
Redact likely email, phone and token patterns from text.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Converters
Length Converter
Convert millimetres, centimetres, metres, kilometres, inches and feet.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin.
HEX ↔ RGB Converter
Convert HEX colours to RGB and preview the colour.
Weight Converter
Convert grams, kilograms, ounces and pounds.
Area Converter
Convert square metres, square feet, acres and hectares.
Speed Converter
Convert kilometres per hour, miles per hour and metres per second.
Volume Converter
Convert litres, millilitres, US gallons and cups.
Digital Storage Converter
Convert bytes, KB, MB, GB and binary units.
Time Unit Converter
Convert seconds, minutes, hours and days.
Pressure Converter
Convert pascals, kPa, bar, PSI and atmospheres.
Energy Converter
Convert joules, kilojoules, calories and kWh.
Power Converter
Convert watts, kilowatts and horsepower.
Force Converter
Convert newtons, kilogram-force and pound-force.
Angle Converter
Convert degrees and radians.
Frequency Converter
Convert Hz, kHz, MHz and GHz.
Fuel Economy Converter
Convert km/L, L/100 km and MPG.
Pace Converter
Convert minutes per kilometre and mile pace.
Cooking Volume Converter
Convert common metric and US kitchen volumes.
Decimal to Fraction
Convert a decimal to a simplified fraction.
Fraction to Decimal
Convert numerator and denominator to decimal.
Roman Numeral Converter
Convert between integers and Roman numerals.
Number to Words
Spell out an integer in English words.
Date Format Converter
Parse a date and show ISO, US and UK formats.
Exchange Rate Calculator
Convert currencies using a rate entered by the user.
File Size Converter
Convert a file size between decimal and binary units.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Image Tools
Image Resizer
Resize an image by width and height in pixels.
Image Compressor
Export an image with adjustable JPEG/WebP quality.
Image Format Converter
Convert an uploaded image to PNG, JPEG or WebP.
Image Cropper
Crop an image using x, y, width and height.
Image Rotator
Rotate an image by 90, 180 or 270 degrees.
Image Flipper
Flip an image horizontally or vertically.
Grayscale Converter
Convert an image to grayscale.
Image Blur Tool
Apply a configurable blur filter.
Image Brightness Adjuster
Adjust image brightness before downloading.
Image Contrast Adjuster
Adjust image contrast before downloading.
Image Saturation Adjuster
Adjust image saturation before downloading.
Image Inverter
Invert image colours.
Sepia Filter
Apply a sepia tone to an image.
Pixelate Image
Apply a pixelation effect.
Thumbnail Maker
Create a small thumbnail from an uploaded image.
Image Dimension Inspector
Read image dimensions and aspect ratio.
Image to Base64
Encode an uploaded image as a data URL.
Base64 to Image
Preview and download a valid image data URL.
Text Watermark
Overlay text on an image.
Image Watermark
Overlay a second image as a watermark.
Image Border Tool
Add a solid border around an image.
Rounded Image Maker
Round the corners of an image.
Transparent Colour Remover
Make pixels near a chosen colour transparent.
Image Colour Sampler
Sample a pixel colour from an uploaded image.
Image Grids & Contact Sheet
Create a contact sheet from uploaded images.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗PDF Tools
PDF Page Counter
Count pages in a PDF file.
PDF Metadata Viewer
Read PDF title, author and document metadata.
PDF Metadata Editor
Edit title, author, subject and keywords.
PDF Validity Checker
Attempt to parse a PDF and report basic validity.
PDF Merger
Merge multiple PDFs in the chosen order.
PDF Page Extractor
Extract selected page numbers into a new PDF.
PDF Page Splitter
Save each page of a PDF as a separate PDF.
PDF Page Deleter
Remove selected pages from a PDF.
PDF Page Reorderer
Reorder pages by a comma-separated page list.
PDF Page Rotator
Rotate selected pages by 90-degree increments.
PDF Page Duplicator
Duplicate selected pages in a PDF.
PDF Blank Page Inserter
Insert blank pages at selected positions.
PDF Page Numbering
Stamp page numbers onto every page.
PDF Text Watermark
Add a text watermark to every page.
PDF Text Page Creator
Create a PDF from plain text.
Images to PDF
Combine selected images into a PDF.
PDF Text Extractor
Extract selectable text from PDF pages.
PDF Page Size Inspector
Report each page's dimensions.
PDF Page Size Setter
Set all pages to a common page size.
PDF Crop Tool
Apply a crop box to PDF pages.
PDF Optimizer
Save PDF with object streams enabled where possible.
PDF Page Image Export
Render PDF pages to PNG images.
PDF Text Inserter
Insert a text label at a chosen position on pages.
PDF Image Stamp
Stamp an uploaded image onto PDF pages.
PDF Metadata Remover
Remove common identifying metadata fields.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Productivity
Checklist Builder
Turn a list into a clean printable checklist.
Meeting Agenda Builder
Create a structured meeting agenda from topics.
Meeting Minutes Formatter
Format rough notes into minutes and action items.
Project Status Report
Generate a structured project status report.
Daily Planner
Build a day plan from tasks and priorities.
Weekly Planner
Organise tasks across a seven-day week.
Priority Matrix
Classify tasks by urgency and importance.
Decision Matrix
Score options against weighted criteria.
Random Team Splitter
Split names into random balanced groups.
Task List Sorter
Sort tasks by priority markers.
Pomodoro Session Planner
Create a focus/break session schedule.
Time Block Planner
Create a time-block schedule from durations.
Habit Tracker Grid
Generate a printable habit tracking grid.
Goal Planner
Break a goal into milestones and actions.
SMART Goal Builder
Structure a goal using SMART criteria.
Brainstorming Organizer
Group ideas into a structured brainstorm sheet.
Pros and Cons Analyzer
Organise advantages and disadvantages.
Email Draft Structurer
Structure an email from purpose and key points.
Project Timeline Builder
Generate a simple task timeline from durations.
Workload Calculator
Estimate total effort from task hours and people.
Business Day Calculator
Count weekdays between two dates.
Date Add/Subtract Tool
Add or subtract days from a date.
Time Zone Meeting Planner
Compare a date/time across two selected time zones.
CSV List Cleaner
Trim, deduplicate and normalise CSV-like lists.
Printable Notes Formatter
Format notes with headings and bullet points.
TOOL-BY-TOOL INSTRUCTIONS
Category ↗Business & Finance
Markup and Margin Calculator
Calculate cost, selling price, markup and margin.
Gross Profit Calculator
Calculate gross profit and gross margin from sales and costs.
Net Profit Calculator
Calculate net profit after expenses and tax rate.
Return on Investment Calculator
Calculate ROI percentage and net return.
CAGR Calculator
Calculate compound annual growth rate.
Cash Flow Planner
Summarise monthly inflows, outflows and net cash flow.
Monthly Budget Planner
Compare planned and actual expense categories.
Invoice Total Calculator
Calculate line totals, tax and invoice total.
Quotation Builder
Build a clean quotation from item, quantity and price rows.
Sales Commission Calculator
Calculate commission from sales and commission rate.
Overtime Pay Calculator
Calculate overtime wages from hourly rate and hours.
Hourly Rate Calculator
Estimate hourly rate from salary and work hours.
Inventory Turnover Calculator
Calculate inventory turnover and days on hand.
Reorder Point Calculator
Calculate reorder point from demand and lead time.
Safety Stock Calculator
Estimate safety stock from daily demand and lead-time variability.
Economic Order Quantity
Estimate EOQ from annual demand, order cost and holding cost.
Contribution Margin Calculator
Calculate contribution per unit and ratio.
Unit Economics Calculator
Calculate contribution after variable costs and acquisition cost.
Loan Amortization Schedule
Create a monthly loan payment schedule.
Break-even Sales Calculator
Calculate break-even sales revenue.
GST Inclusive/Exclusive Calculator
Extract GST from inclusive prices or add GST to base prices.
Price After Discount Calculator
Calculate final price after successive discounts.
Currency Exchange Calculator
Convert an amount using an exchange rate you supply.
Payment Due Date Calculator
Calculate a due date from invoice date and credit days.
Purchase Order Line Calculator
Calculate line extensions and totals from quantities and rates.
Salary Take-Home Estimator
Estimate monthly salary after variable pay and deductions you enter; does not estimate income tax or statutory deductions automatically.
Inventory Coverage Days Calculator
Estimate current and projected inventory coverage from available stock, average daily demand and inbound quantity.