99 free tools. Zero signup. All in your browser.
Calculators, converters, and utilities curated by Auburn AI for Canadian operators, developers, and small business owners. Each tool runs entirely in your browser – no email, no install, no upsell.
Auburn AI Pro
Premium Reports – Personalized in 10 minutes
Use the free tools to get a number. Want a personalized 6-page report on top of that number? Pick a Pro Report below. $19-$39 USD. 30-day refund if it does not pay for itself.
99 tools
11 categories
0 signup required
100% browser-based
11 categories
0 signup required
100% browser-based
Browse by category
Money
Finance, taxes, budgets
21 tools
Health
Body metrics, fitness
6 tools
Math
Algebra, geometry, conv
12 tools
Text
Format, count, transform
23 tools
Web + Code
Encoders, regex, JSON, hash
30 tools
Network + IP
Subnets, lookups, ping
3 tools
Time
Pomodoro, timers, dates
3 tools
Units
Length, weight, temp
5 tools
Fun
Random, dice, coin
2 tools
Home + Auto
Tile, paint, vehicle
1 tools
AI Tools
By Auburn AI
3 tools
Auburn AI · Calgary AB · Built by an operator
·
No tracking pixels on tool pages
·
Open source where applicable
·
No tracking pixels on tool pages
·
Open source where applicable
Calculators – Money
21 tools
AI API Cost Calculator 2026 — Compare Claude, GPT, Gemini, DeepSeekCompare pricing across Claude, GPT, Gemini, and DeepSeek API calls./ai-cost-calculator/Canadian Income Tax Calculator (2026)Calculate 2026 Canadian federal and provincial income tax./canadian-income-tax-calculator/Compound Interest CalculatorCompute compound interest growth over time with customizable periods./compound-interest-calculator/Credit Card ValidatorValidate credit card numbers using checksum algorithms./credit-card-validator/Currency ConverterConvert amounts between currencies at current exchange rates./currency-converter/Discount CalculatorCalculate discount amounts and final prices from percentage reductions./discount-calculator/Fuel Cost CalculatorEstimate total fuel costs based on distance and consumption rates./fuel-cost-calculator/Loan CalculatorCalculate monthly payments, interest, and amortization schedules./loan-calculator/Monthly Budget CalculatorTrack and allocate monthly income across spending categories./budget-calculator/Mortgage CalculatorCompute monthly payments, interest totals, and amortization tables./mortgage-calculator/Pay Raise CalculatorCalculate new salary and total increase from a percentage raise./pay-raise-calculator/Price Per Unit CalculatorDetermine unit cost to compare prices across different package sizes./price-per-unit-calculator/Profit Margin CalculatorCalculate markup, margin, and profit based on cost and revenue./profit-margin-calculator/Retirement CalculatorProject retirement savings based on contributions and growth rate./retirement-calculator/ROI CalculatorMeasure investment returns as a percentage of initial capital./roi-calculator/Salary CalculatorCompute gross, net, and deduction amounts from annual salary./salary-calculator/Sales Tax CalculatorAdd sales tax to purchase amounts based on jurisdiction rates./sales-tax-calculator/Savings Goal CalculatorCalculate required monthly savings to reach a target amount./savings-goal-calculator/Tip CalculatorCalculate tip amounts and total bill with percentage or flat amounts./tip-calculator/Bill Split Calculator With Tax + TipSplit a restaurant bill evenly with tax and tip./bill-split-calculator/Net Worth CalculatorAdd assets minus liabilities to calculate your net worth./net-worth-calculator/
Calculators – Health
6 tools
BMI CalculatorCalculate body mass index from height and weight measurements./bmi-calculator/Body Fat CalculatorEstimate body fat percentage using anthropometric measurements./body-fat-calculator/Calorie Calculator (BMR + TDEE)Calculate BMR and TDEE for daily caloric needs estimation./calorie-calculator/Macro CalculatorDetermine macronutrient targets based on dietary goals and calories./macro-calculator/Markdown ↔ HTML ConverterConverts Markdown to HTML and HTML back to Markdown with live preview./markdown-html-converter/Ovulation CalculatorEstimate ovulation window and fertile days based on cycle length./ovulation-calculator/Sleep CalculatorFind optimal sleep and wake times based on sleep cycle duration./sleep-calculator/
Calculators – Math
12 tools
Age CalculatorCalculates age in years, months, and days from a birth date./age-calculator/Days Between DatesComputes the number of days between two specified dates./days-between-dates/GPA CalculatorComputes grade point average from course grades and credit hours./gpa-calculator/Image ResizerResizes images to specified dimensions or file size./image-resizer/Number to WordsConverts numerical values to their written word equivalents./number-to-words/Percentage CalculatorCalculates age in years, months, and days from a birth date./percentage-calculator/Roman Numeral ConverterConverts between Arabic numerals and Roman numeral notation./roman-numeral-converter/Scientific CalculatorPerforms advanced mathematical functions including trigonometry and logarithms./scientific-calculator/Standard Deviation CalculatorComputes standard deviation and variance from a dataset./standard-deviation-calculator/Time Duration CalculatorCalculates elapsed time between two time points./time-duration-calculator/User Agent ParserParses user agent strings to identify browser and device information./user-agent-parser/Aspect Ratio CalculatorLock dimensions to common aspect ratios (16:9, 4:3, 1:1, 9:16)./aspect-ratio-calculator/
Text Tools
23 tools
Anagram FinderIdentifies anagrams and rearrangements of input text./anagram-finder/Character CounterCounts characters, words, and lines in text./character-counter/Character Frequency AnalyzerAnalyzes the frequency distribution of characters in text./character-frequency-analyzer/Find and ReplaceLocates and substitutes text patterns within content./find-and-replace/Line Number AdderPrepends sequential line numbers to each line of text./line-number-adder/Lorem Ipsum GeneratorGenerates placeholder Lorem Ipsum text in specified quantities./lorem-ipsum-generator/Markdown PreviewRenders Markdown formatted text as HTML preview./markdown-preview/Palindrome CheckerDetermines whether text reads the same forwards and backwards./palindrome-checker/Remove Duplicate LinesEliminates repeated lines from text, retaining unique entries./remove-duplicate-lines/Reverse TextReverses the character order of input text./reverse-text/Rhyme FinderIdentifies words that rhyme with a given input word./rhyme-finder/Shuffle LinesRandomizes the order of lines in text./shuffle-lines/Sort LinesArranges lines in alphabetical or numerical order./sort-lines/Text Case ConverterConverts text between uppercase, lowercase, title, and other cases./text-case-converter/Text DiffCompares two text blocks and highlights added, removed, or changed lines./text-diff/Text to SpeechConverts text input to spoken audio output./text-to-speech/Voice WriterTranscribes spoken audio or voice input into text./voice-writer/Whitespace NormalizerStandardizes spaces, tabs, and line breaks in text./whitespace-normalizer/Word CounterCounts words, characters, sentences, and paragraphs in text./word-counter/Word UnscramblerFinds valid words from a scrambled set of letters./word-unscrambler/Word Frequency CounterRank every word in a text by usage count./word-frequency-counter/Reading Time + Speaking Time EstimatorEstimate reading and speaking time from any text./reading-time-estimator/Character Frequency CounterCount letter frequency for cipher analysis or stats./character-frequency-counter/
Web + Code
30 tools
Base64 Encoder/DecoderEncodes text to Base64 or decodes Base64 back to text./base64-encoder-decoder/Box Shadow GeneratorCreates CSS box-shadow values with visual preview./box-shadow-generator/Color Contrast CheckerVerifies text and background color contrast for accessibility./color-contrast-checker/Color ConverterConverts colors between hex, RGB, HSL, and other formats./color-converter/Color Palette GeneratorGenerates harmonious color palettes from a base color./color-palette-generator/Cron ParserParses cron expressions and shows next execution times./cron-parser/CSV ↔ JSON ConverterConverts CSV to JSON and JSON to CSV with header support./csv-json-converter/CSV to JSON ConverterConverts CSV data into JSON format./csv-to-json/Favicon GeneratorCreates favicon images from text or uploaded images./favicon-generator/Gradient CSS GeneratorGenerates CSS gradient code with visual editor./gradient-css-generator/Hash GeneratorProduces hash digests using MD5, SHA, and other algorithms./hash-generator/HTML Entity EncoderConverts characters to HTML entity codes./html-entity-encoder/HTTP Status Code LookupExplains meaning and details of HTTP status codes./http-status-code-lookup/JSON FormatterValidates, formats, and minifies JSON with syntax highlighting./json-formatter/JSON to CSV ConverterConverts JSON data into CSV format./json-to-csv/JSON to YAMLConverts JSON data to YAML format./json-to-yaml/JWT DecoderDecodes and displays the payload of JWT tokens./jwt-decoder/Number Base ConverterConverts numbers between binary, octal, decimal, and hexadecimal./base-converter/Password GeneratorCreates random passwords with customizable length and character types./password-generator/QR Code GeneratorGenerates QR codes from text or URLs./qr-code-generator/Random Number GeneratorGenerates random numbers within specified min/max range./random-number-generator/Regex TesterTests regex patterns against text with match highlighting and results./regex-tester/Unix Timestamp ConverterConverts between Unix timestamps and human-readable dates./timestamp-converter/URL Encoder/DecoderEncodes and decodes URL-safe strings and special characters./url-encoder-decoder/URL Slug GeneratorConverts text to URL-safe slugs with customizable formatting./url-slug-generator/UUID GeneratorGenerates unique identifiers (UUIDs) in multiple format versions./uuid-generator/YAML to JSONConverts YAML formatted data to JSON format./yaml-to-json/Password Strength CheckerScore password strength and estimated crack time./password-strength-checker/Hex to RGB / HSL ConverterConvert hex color codes to RGB, HSL, and CMYK with preview./hex-to-rgb-converter/Base64 Image Encoder / DecoderEncode images to Base64 data URIs or decode back to images./base64-image-encoder/Base64 Text Encoder & DecoderEncodes and decodes text to and from Base64 (UTF-8 safe)./base64-text-encoder/Binary to Text / Text to BinaryConvert text to binary or binary back to text./binary-text-translator/
Network + IP
3 tools
DNS LookupQueries DNS records for domains and returns IP address info./dns-lookup/IP Address CheckerIdentifies and displays details about IP addresses./ip-address-checker/Timezone ConverterConverts times between different time zones worldwide./timezone-converter/
Time + Productivity
3 tools
Countdown TimerCounts down from a set duration to zero with alerts./countdown-timer/Pomodoro TimerRuns work/break intervals for productivity cycle management./pomodoro-timer/StopwatchMeasures elapsed time with start, stop, and lap functions./stopwatch/
Unit Converters
5 tools
Area ConverterConverts between different area measurement units./area-converter/Length ConverterConverts between different length and distance units./length-converter/Temperature ConverterConverts between Celsius, Fahrenheit, and Kelvin scales./temperature-converter/Volume ConverterConverts between different volume measurement units./volume-converter/Weight ConverterConverts between different mass and weight units./weight-converter/
Fun + Random
2 tools
Coin FlipRandomly selects heads or tails for decision making./coin-flip/Dice RollerRolls virtual dice with configurable sides and quantities./dice-roller/
Home + Auto
1 tools
AI Tools (Auburn AI)
3 tools
AI Prompt BuilderConstructs structured prompts for AI model interactions./ai-prompt-builder/AI Token CounterCounts tokens used by text for Claude model pricing./ai-token-counter/Claude Voice Tools – Free AI Text to Speech, Speech to Text and Voice ChatProvides text-to-speech, speech-to-text, and voice chat with Claude./claude-voice-tools/
Need a custom tool for your business?
If you spent time on this page using a tool, imagine what an Auburn AI custom workflow could automate. Free 30-min audit, no commitment.