# BriskTool
> Free online tools for everyone. 130+ browser-based utilities for PDF, image, audio, video, calculators, developer tools, text tools, SEO tools, and AI writing tools. All processing happens client-side — files never leave your device.

## About
- Website: https://brisktool.com
- Tools: 139+ free online tools
- Privacy: Client-side processing, no file uploads, no tracking cookies by default
- Pricing: Free tier (3 uses/day on premium tools), Pro $9/mo (unlimited)

## Tools

### Calculators
- [Percentage Calculator](https://brisktool.com/tools/calculators/percentage-calculator): Calculate percentages, percentage increase/decrease, and more
- [Age Calculator](https://brisktool.com/tools/calculators/age-calculator): Calculate your exact age in years, months, days, hours, and minutes
- [BMI Calculator](https://brisktool.com/tools/calculators/bmi-calculator): Calculate your Body Mass Index and see what category you fall into
- [Mortgage Calculator](https://brisktool.com/tools/calculators/mortgage-calculator): Calculate monthly mortgage payments, total interest, and amortization schedule
- [Tip Calculator](https://brisktool.com/tools/calculators/tip-calculator): Calculate tip amount and split the bill between multiple people
- [Loan Calculator](https://brisktool.com/tools/calculators/loan-calculator): Calculate loan payments, total interest, and payoff timeline
- [Salary to Hourly Calculator](https://brisktool.com/tools/calculators/salary-calculator): Convert between salary and hourly wage, accounting for hours and weeks worked
- [Compound Interest Calculator](https://brisktool.com/tools/calculators/compound-interest-calculator): Calculate compound interest growth over time with regular contributions
- [Date Calculator](https://brisktool.com/tools/calculators/date-calculator): Calculate the difference between two dates or add/subtract days from a date
- [GPA Calculator](https://brisktool.com/tools/calculators/gpa-calculator): Calculate your Grade Point Average from your course grades and credit hours
- [Calorie Calculator](https://brisktool.com/tools/calculators/calorie-calculator): Calculate your daily calorie needs based on age, weight, height, and activity level
- [Body Fat Calculator](https://brisktool.com/tools/calculators/body-fat-calculator): Estimate your body fat percentage using the US Navy method
- [Pregnancy Due Date Calculator](https://brisktool.com/tools/calculators/pregnancy-calculator): Calculate your estimated due date and pregnancy timeline
- [Scientific Calculator](https://brisktool.com/tools/calculators/scientific-calculator): Full-featured scientific calculator with trigonometry, logarithms, and more
- [Fraction Calculator](https://brisktool.com/tools/calculators/fraction-calculator): Add, subtract, multiply, and divide fractions with step-by-step solutions
- [Random Number Generator](https://brisktool.com/tools/calculators/random-number-generator): Generate random numbers, pick random items from a list, flip coins, roll dice
- [Password Generator](https://brisktool.com/tools/calculators/password-generator): Generate strong, secure passwords with customizable length and character types
- [Sales Tax Calculator](https://brisktool.com/tools/calculators/sales-tax-calculator): Calculate sales tax for any amount and tax rate. Includes US state tax rates
- [Inflation Calculator](https://brisktool.com/tools/calculators/inflation-calculator): Calculate the effect of inflation on purchasing power over time
- [Retirement Calculator](https://brisktool.com/tools/calculators/retirement-calculator): Estimate how much you need to save for retirement based on your goals
- [Pace Calculator](https://brisktool.com/tools/calculators/pace-calculator): Calculate running pace, speed, distance, or time for your runs and races
- [Square Footage Calculator](https://brisktool.com/tools/calculators/square-footage-calculator): Calculate the square footage of rooms, yards, and irregularly shaped areas
- [Electricity Cost Calculator](https://brisktool.com/tools/calculators/electricity-calculator): Calculate the electricity cost of running appliances based on wattage and hours
- [Fuel Cost Calculator](https://brisktool.com/tools/calculators/fuel-calculator): Calculate fuel cost for a trip based on distance, fuel efficiency, and gas price
- [Interest Rate Calculator](https://brisktool.com/tools/calculators/interest-rate-calculator): Calculate simple and compound interest on savings and loans
- [Standard Deviation Calculator](https://brisktool.com/tools/calculators/standard-deviation-calculator): Calculate standard deviation, variance, mean, and other statistics for a data set
- [Discount Calculator](https://brisktool.com/tools/calculators/discount-calculator): Calculate the sale price after applying a percentage or fixed discount
- [Unit Price Calculator](https://brisktool.com/tools/calculators/unit-price-calculator): Compare unit prices to find the best deal when shopping
- [Paycheck Calculator](https://brisktool.com/tools/calculators/paycheck-calculator): Estimate your take-home pay after taxes and deductions
- [Investment Return Calculator](https://brisktool.com/tools/calculators/investment-calculator): Calculate investment returns with dividends and capital gains over time
- [Time Card Calculator](https://brisktool.com/tools/calculators/time-card-calculator): Calculate total work hours and pay from your time card entries
- [Average Calculator](https://brisktool.com/tools/calculators/average-calculator): Calculate mean, median, mode, and range for a set of numbers
- [Invoice Generator](https://brisktool.com/tools/calculators/invoice-generator): Create professional invoices with your logo, line items, taxes, and payment terms. Download as PDF.
- [Online Stopwatch & Timer](https://brisktool.com/tools/calculators/stopwatch): Free online stopwatch and countdown timer with lap tracking
- [BMR Calculator](https://brisktool.com/tools/calculators/bmr-calculator): Calculate your Basal Metabolic Rate - calories your body burns at rest
- [Dog Age Calculator](https://brisktool.com/tools/calculators/dog-age-calculator): Convert your dog's age to human years using the latest scientific formula
- [Auto Loan Calculator](https://brisktool.com/tools/calculators/auto-loan-calculator): Calculate monthly car payments, total interest, and true cost of financing a vehicle
- [Net Worth Calculator](https://brisktool.com/tools/calculators/net-worth-calculator): Calculate your total net worth by listing your assets and liabilities
- [Water Intake Calculator](https://brisktool.com/tools/calculators/water-intake-calculator): Calculate how much water you should drink daily based on weight, activity, and climate
- [Concrete Calculator](https://brisktool.com/tools/calculators/concrete-calculator): Calculate cubic yards, bags, and cost of concrete for slabs, columns, walls, and footers
- [Paint Calculator](https://brisktool.com/tools/calculators/paint-calculator): Calculate how much paint you need for walls, ceilings, and rooms. Includes coverage estimates.
- [Mulch Calculator](https://brisktool.com/tools/calculators/mulch-calculator): Calculate how many bags or cubic yards of mulch you need for your garden beds
- [Flooring Calculator](https://brisktool.com/tools/calculators/flooring-calculator): Calculate square footage and materials needed for flooring, tile, and carpet projects
- [TDEE Calculator](https://brisktool.com/tools/calculators/tdee-calculator): Calculate your Total Daily Energy Expenditure based on age, weight, height, and activity level
- [Macro Calculator](https://brisktool.com/tools/calculators/macro-calculator): Calculate your daily protein, carbs, and fat macros based on your goals and activity level

### Developer Tools
- [JSON Formatter & Validator](https://brisktool.com/tools/dev/json-formatter): Format, validate, and beautify JSON data online
- [Base64 Encoder/Decoder](https://brisktool.com/tools/dev/base64-encoder): Encode and decode Base64 strings online
- [UUID Generator](https://brisktool.com/tools/dev/uuid-generator): Generate random UUIDs (v4) and other UUID versions online
- [URL Encoder/Decoder](https://brisktool.com/tools/dev/url-encoder): Encode and decode URLs and query parameters online
- [Hash Generator](https://brisktool.com/tools/dev/hash-generator): Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online
- [Regex Tester](https://brisktool.com/tools/dev/regex-tester): Test and debug regular expressions with real-time matching and explanation
- [Color Picker & Converter](https://brisktool.com/tools/dev/color-picker): Pick colors and convert between HEX, RGB, HSL, and CMYK formats
- [Cron Expression Builder](https://brisktool.com/tools/dev/cron-builder): Build and understand cron expressions with a visual editor
- [JWT Decoder](https://brisktool.com/tools/dev/jwt-decoder): Decode and inspect JSON Web Tokens (JWT) online
- [Markdown Preview](https://brisktool.com/tools/dev/markdown-preview): Write and preview Markdown with live rendering
- [CSS Gradient Generator](https://brisktool.com/tools/dev/css-gradient-generator): Create beautiful CSS gradients with a visual editor and copy the code
- [HTML Entity Encoder/Decoder](https://brisktool.com/tools/dev/html-entity-encoder): Encode and decode HTML entities and special characters
- [Lorem Ipsum Generator](https://brisktool.com/tools/dev/lorem-ipsum-generator): Generate placeholder text in paragraphs, sentences, or words
- [Word & Character Counter](https://brisktool.com/tools/dev/word-counter): Count words, characters, sentences, and paragraphs in your text
- [Diff Checker](https://brisktool.com/tools/dev/diff-checker): Compare two texts and see the differences highlighted
- [SQL Formatter](https://brisktool.com/tools/dev/sql-formatter): Format and beautify SQL queries with proper indentation
- [YAML to JSON Converter](https://brisktool.com/tools/dev/yaml-json-converter): Convert between YAML and JSON formats instantly
- [Unix Timestamp Converter](https://brisktool.com/tools/dev/timestamp-converter): Convert between Unix timestamps and human-readable dates
- [CSS Minifier](https://brisktool.com/tools/dev/css-minifier): Minify CSS code to reduce file size and improve load times
- [HTML Formatter](https://brisktool.com/tools/dev/html-formatter): Format and beautify HTML code with proper indentation
- [Number Base Converter](https://brisktool.com/tools/dev/number-base-converter): Convert numbers between binary, octal, decimal, and hexadecimal
- [JSON to CSV Converter](https://brisktool.com/tools/dev/json-to-csv): Convert JSON arrays to CSV format and download as a file
- [Chmod Calculator](https://brisktool.com/tools/dev/chmod-calculator): Calculate Linux file permissions in numeric and symbolic notation
- [Color Palette Generator](https://brisktool.com/tools/dev/color-palette-generator): Generate beautiful color palettes from a base color for your designs
- [HTTP Status Code Reference](https://brisktool.com/tools/dev/http-status-codes): Complete reference of HTTP status codes with descriptions, examples, and troubleshooting tips
- [User Agent Parser](https://brisktool.com/tools/dev/user-agent-parser): Parse and analyze browser user agent strings. Detect browser, OS, and device information.
- [Color Contrast Checker (WCAG)](https://brisktool.com/tools/dev/color-contrast-checker): Check color contrast ratios for WCAG 2.2 AA and AAA accessibility compliance. ADA Title II deadline: April 24, 2026.
- [JSON to TypeScript Converter](https://brisktool.com/tools/dev/json-to-typescript): Convert JSON objects to TypeScript interfaces and types instantly

### QR Code
- [QR Code Generator](https://brisktool.com/tools/qr-code/qr-code-generator): Generate customizable QR codes for URLs, text, WiFi, and more

### PDF Tools
- [Merge PDF](https://brisktool.com/tools/pdf/merge-pdf): Combine multiple PDF files into one document online
- [Compress PDF](https://brisktool.com/tools/pdf/compress-pdf): Reduce PDF file size while maintaining quality
- [PDF to Image](https://brisktool.com/tools/pdf/pdf-to-image): Convert PDF pages to JPG or PNG images online
- [Image to PDF](https://brisktool.com/tools/pdf/image-to-pdf): Convert images (JPG, PNG, WebP) to PDF documents
- [Split PDF](https://brisktool.com/tools/pdf/split-pdf): Split a PDF into separate pages or extract specific page ranges
- [Rotate PDF](https://brisktool.com/tools/pdf/rotate-pdf): Rotate PDF pages by 90, 180, or 270 degrees
- [PDF to Word Converter](https://brisktool.com/tools/pdf/pdf-to-word): Convert PDF files to editable Word documents (DOCX). Preserves formatting and layout.
- [Word to PDF Converter](https://brisktool.com/tools/pdf/word-to-pdf): Convert Word documents (DOC, DOCX) to PDF format. Maintains formatting perfectly.

### Image Tools
- [Resize Image](https://brisktool.com/tools/image/resize-image): Resize images to exact dimensions or by percentage online
- [Compress Image](https://brisktool.com/tools/image/compress-image): Compress and reduce image file size while keeping quality
- [Convert Image Format](https://brisktool.com/tools/image/convert-image): Convert between JPG, PNG, WebP, GIF, and other image formats
- [Crop Image](https://brisktool.com/tools/image/crop-image): Crop images to custom dimensions or preset aspect ratios
- [HEIC to JPG Converter](https://brisktool.com/tools/image/heic-converter): Convert HEIC/HEIF images from iPhone to JPG or PNG format
- [Add Watermark to Image](https://brisktool.com/tools/image/watermark-image): Add text or image watermarks to your photos to protect your work
- [Passport Photo Maker](https://brisktool.com/tools/image/passport-photo): Create compliant passport and visa photos for any country. US, UK, EU, Schengen, and 100+ countries supported.
- [ID Photo Resizer](https://brisktool.com/tools/image/id-photo-resizer): Resize photos to exact specifications for passports, visas, driver's licenses, and work permits
- [Background Remover](https://brisktool.com/tools/image/background-remover): Remove solid-color backgrounds from images. Works best with clean, uniform backgrounds.
- [Image Upscaler](https://brisktool.com/tools/image/image-upscaler): Upscale images by increasing resolution 2x or 4x using browser-based interpolation.

### Audio Tools
- [Audio Trimmer](https://brisktool.com/tools/audio/audio-trimmer): Trim and cut audio files online - MP3, WAV, OGG, and more
- [Volume Changer](https://brisktool.com/tools/audio/volume-changer): Increase or decrease the volume of audio files online
- [BPM Detector](https://brisktool.com/tools/audio/bpm-detector): Detect the BPM (beats per minute) of any song or audio file
- [Audio Converter](https://brisktool.com/tools/audio/audio-converter): Convert audio files between MP3, WAV, OGG, and other formats
- [Audio Joiner](https://brisktool.com/tools/audio/audio-joiner): Merge multiple audio files into one seamless track

### Unit Converters
- [Length Converter](https://brisktool.com/tools/converters/length-converter): Convert between feet, inches, meters, centimeters, miles, and kilometers
- [Weight Converter](https://brisktool.com/tools/converters/weight-converter): Convert between pounds, kilograms, ounces, grams, and stones
- [Temperature Converter](https://brisktool.com/tools/converters/temperature-converter): Convert between Fahrenheit, Celsius, and Kelvin
- [Speed Converter](https://brisktool.com/tools/converters/speed-converter): Convert between mph, km/h, knots, m/s, and ft/s
- [Volume Converter](https://brisktool.com/tools/converters/volume-converter): Convert between gallons, liters, cups, milliliters, and fluid ounces
- [Area Converter](https://brisktool.com/tools/converters/area-converter): Convert between square feet, square meters, acres, and hectares
- [Data Storage Converter](https://brisktool.com/tools/converters/data-storage-converter): Convert between bytes, KB, MB, GB, TB, and PB
- [Time Converter](https://brisktool.com/tools/converters/time-converter): Convert between seconds, minutes, hours, days, weeks, and years
- [Cooking Converter](https://brisktool.com/tools/converters/cooking-converter): Convert between cups, tablespoons, teaspoons, ml, and other cooking measurements
- [Energy Converter](https://brisktool.com/tools/converters/energy-converter): Convert between calories, joules, kilowatt-hours, BTU, and more
- [Pressure Converter](https://brisktool.com/tools/converters/pressure-converter): Convert between PSI, bar, atm, Pascal, and mmHg
- [Time Zone Converter](https://brisktool.com/tools/converters/timezone-converter): Convert times between time zones worldwide. See what time it is anywhere.
- [Number to Words Converter](https://brisktool.com/tools/converters/number-to-words): Convert numbers to written words. Great for checks, legal documents, and invoices.

### Text Tools
- [Case Converter](https://brisktool.com/tools/text/case-converter): Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more
- [Text Repeater](https://brisktool.com/tools/text/text-repeater): Repeat any text or string multiple times with optional separators
- [Remove Line Breaks](https://brisktool.com/tools/text/remove-line-breaks): Remove or replace line breaks and extra whitespace from text
- [Remove Duplicate Lines](https://brisktool.com/tools/text/remove-duplicates): Remove duplicate lines from text while preserving order
- [Fancy Text Generator](https://brisktool.com/tools/text/fancy-text-generator): Convert text into fancy Unicode fonts for social media bios and posts
- [Text to Speech](https://brisktool.com/tools/text/text-to-speech): Convert text to speech audio using your browser's built-in voices
- [URL Slug Generator](https://brisktool.com/tools/text/slug-generator): Convert text into URL-friendly slugs for web pages and blog posts
- [Reverse Text](https://brisktool.com/tools/text/reverse-text): Reverse text, words, or sentences. Mirror text and flip upside down
- [Unicode Character Lookup](https://brisktool.com/tools/text/unicode-lookup): Search and browse Unicode characters, symbols, and emojis. Copy any character.
- [Emoji Picker & Search](https://brisktool.com/tools/text/emoji-picker): Search, browse, and copy emojis organized by category
- [Line Counter](https://brisktool.com/tools/text/line-counter): Count lines, blank lines, and non-empty lines in your text. Useful for code and data.

### SEO Tools
- [Meta Tag Generator](https://brisktool.com/tools/seo/meta-tag-generator): Generate HTML meta tags for your website including title, description, and keywords
- [Schema Markup Generator](https://brisktool.com/tools/seo/schema-markup-generator): Generate JSON-LD structured data for articles, products, FAQs, and more
- [Robots.txt Generator](https://brisktool.com/tools/seo/robots-txt-generator): Generate a robots.txt file to control how search engines crawl your site
- [Open Graph Preview](https://brisktool.com/tools/seo/open-graph-preview): Preview how your page will look when shared on Facebook, Twitter, and LinkedIn
- [Google SERP Preview](https://brisktool.com/tools/seo/serp-preview): Preview how your page will appear in Google search results

### AI Tools
- [Text Summarizer](https://brisktool.com/tools/ai/ai-text-summarizer): Summarize long articles and documents into concise key points using extractive analysis
- [Paragraph Rewriter](https://brisktool.com/tools/ai/ai-paragraph-rewriter): Rewrite and rephrase text to change tone or make it unique using synonym replacement
- [Grammar & Spell Checker](https://brisktool.com/tools/ai/ai-grammar-checker): Check for common grammar, spelling, and punctuation errors in your text
- [Title & Headline Generator](https://brisktool.com/tools/ai/ai-title-generator): Generate catchy titles, headlines, and subject lines for blog posts, emails, and ads
- [Hashtag Generator](https://brisktool.com/tools/ai/ai-hashtag-generator): Generate relevant hashtags for Instagram, TikTok, Twitter, and LinkedIn posts
- [Email Template Generator](https://brisktool.com/tools/ai/ai-email-writer): Generate professional email templates for sales, follow-ups, cold outreach, and more
- [Text Translator](https://brisktool.com/tools/ai/ai-translator): Translate text between 50+ languages using browser-based translation

### Video Tools
- [Video to GIF Converter](https://brisktool.com/tools/video/video-to-gif): Convert video clips to animated GIFs. Set start time, duration, and quality.
- [GIF Maker from Images](https://brisktool.com/tools/video/gif-maker): Create animated GIFs from a sequence of images with custom frame delay
- [YouTube Thumbnail Maker](https://brisktool.com/tools/video/video-thumbnail-maker): Create eye-catching YouTube thumbnails with text overlays and backgrounds
- [Screen Recorder](https://brisktool.com/tools/video/screen-recorder): Record your screen, tab, or window directly in the browser. No software to install.
- [Webcam Test](https://brisktool.com/tools/video/webcam-test): Test your webcam and microphone online. Check video quality, resolution, and frame rate.
- [Video Compressor](https://brisktool.com/tools/video/video-compressor): Compress video files to reduce size while maintaining quality. Supports MP4, WebM, MOV.

## Blog
- [How to Compress a PDF](https://brisktool.com/blog/how-to-compress-pdf): Guide to reducing PDF file size
- [PNG vs JPG](https://brisktool.com/blog/png-vs-jpg-which-to-use): Image format comparison guide
- [US Passport Photo Requirements](https://brisktool.com/blog/us-passport-photo-requirements): 2026 size and rules guide
- [How to Merge PDFs](https://brisktool.com/blog/how-to-merge-pdf-files): Free online PDF merger guide
- [Best Free Online Tools 2026](https://brisktool.com/blog/best-free-online-tools-2026): Top 25 free tools roundup

## API
Coming soon. BriskTool API will provide programmatic access to all tools via REST API and MCP (Model Context Protocol).

## Contact
- General: hello@brisktool.com
- Privacy: privacy@brisktool.com