All free tools
101 free browser tools across 15 categories — search, or jump to a category. No signup, nothing uploaded.
Automation
11 Decide what to automate and how.Should You Automate This?
Score any business process for automation potential and estimate the hours + cost you could save each year.
● Live · free AutomationProcess Complexity Estimator
Gauge how complex a process is to automate before you scope a build.
● Live · free AutomationAutomation Prioritization Matrix
Score and rank a whole list of processes by value and effort, and see which are quick wins, big bets, or money pits.
● Live · free AutomationBot Maintenance Cost Calculator
Estimate the true annual cost of running and maintaining your RPA bots — dev time, licences, infra, and rework.
● Live · free AutomationRPA vs API vs AI — Decision Guide
Answer a few questions about your task and get a recommendation: integrate via API, automate with RPA, or use AI.
● Live · free AutomationTime-Study Calculator
Time a task with the built-in stopwatch, then turn it into annual hours and labor cost across your team.
● Live · free AutomationAutomation Readiness Scorecard
Rate your organization on the six factors that decide whether an automation program will succeed.
● Live · free AutomationAI Agent ROI Calculator
Estimate the ROI of deploying an AI agent for a workflow — labor saved vs running cost, payback, and first-year return.
● Live · free AutomationAI Agent Fit Scorecard
Score any task to see whether it fits an agentic AI (LLM + tools + reasoning) or plain rules-based automation.
● Live · free AutomationAI Agent Autonomy Level Advisor
Answer a few questions on risk and reversibility to see whether an AI agent should be assisted, supervised, or autonomous.
● Live · free AutomationAI Copilot Productivity Savings Calculator
Estimate the annual value of AI copilots across your team — hours reclaimed, gross value, licence cost, and net ROI.
● Live · freeFinance & ROI
7 Put a dollar figure on the decision.Automation ROI Calculator
Estimate payback period, net annual savings, and multi-year return before you commit to an automation build.
● Live · free Finance & ROIManual Work Cost Calculator
Turn "we spend a few hours a week on this" into a real annual dollar figure.
● Live · free Finance & ROIFTE Savings Calculator
Convert automated hours into full-time-equivalent headcount freed up.
● Live · free Finance & ROIPercentage Calculator
Work out "what is X% of Y", "X is what % of Y", and percentage increase or decrease.
● Live · free Finance & ROILoan / EMI Calculator
Calculate monthly loan payments, total interest, and total cost for any loan.
● Live · free Finance & ROICompound Interest Calculator
See how savings grow with compound interest and optional monthly contributions.
● Live · free Finance & ROIDiscount Calculator
Work out the sale price and how much you save from a percentage discount.
● Live · freeDeveloper
18 Everyday utilities for engineers.Cron Expression Builder
Build and decode cron schedules in plain English — no more guessing at the five fields.
● Live · free DeveloperRegex Tester & Explainer
Test a regular expression against sample text and get a plain-English breakdown.
● Live · free DeveloperJSON ↔ CSV Converter
Paste JSON or CSV and convert instantly — all in your browser, nothing uploaded.
● Live · free DeveloperUnix Timestamp Converter
Convert Unix epoch timestamps to human dates and back, in your local time and UTC.
● Live · free DeveloperBase64 Encoder / Decoder
Encode text to Base64 or decode it back — instantly, all in your browser.
● Live · free DeveloperUUID Generator
Generate random version-4 UUIDs one at a time or in bulk, ready to copy.
● Live · free DeveloperURL Encoder / Decoder
Percent-encode text for safe use in URLs, or decode an encoded string back — in your browser.
● Live · free DeveloperColor Converter (HEX · RGB · HSL)
Convert a color between HEX, RGB, and HSL with a live preview swatch.
● Live · free DeveloperText Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
● Live · free DeveloperWord & Character Counter
Count words, characters, sentences, and paragraphs live, with reading time.
● Live · free DeveloperJSON Formatter & Validator
Beautify, minify, and validate JSON with clear error messages — all in your browser.
● Live · free DeveloperQR Code Generator
Turn any text or URL into a QR code and download it as an image. Free, no signup.
● Live · free DeveloperLorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words, ready to copy.
● Live · free DeveloperJWT Decoder
Decode a JSON Web Token to read its header and payload claims, with expiry and issued-at shown as readable dates.
● Live · free DeveloperText Diff / Compare
Compare two blocks of text line by line and see exactly what was added, removed, or changed.
● Live · free DeveloperMarkdown Preview
Write Markdown and see it rendered to HTML live, then copy the HTML — all in your browser.
● Live · free DeveloperHTTP Status Code Reference
Look up any HTTP status code — 200, 301, 404, 500 and the rest — with plain-English meanings, searchable.
● Live · free DeveloperNumber Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36.
● Live · freeOperations
3 Run the work more smoothly.Support Ticket Automation Savings
Estimate the annual savings from deflecting or automating support tickets.
● Live · free OperationsSLA Uptime Calculator
Translate an uptime percentage into allowed downtime per day, month, and year.
● Live · free OperationsMeeting Cost Calculator
See what a meeting actually costs — by attendees, salary, and duration — and what it adds up to per year.
● Live · freeSecurity
3 Generate and check the basics safely.Password Generator
Create strong, random passwords with the character types you choose — generated locally, never sent anywhere.
● Live · free SecurityHash Generator (SHA-256)
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text, computed locally.
● Live · free SecurityPassword Strength Checker
Estimate how strong a password is and how long it would take to crack — nothing is sent anywhere.
● Live · freeTime & Date
3 Dates, ages, and durations made easy.Age Calculator
Enter a birth date to get exact age in years, months, and days — plus days to your next birthday.
● Live · free Time & DateDate Difference Calculator
Count the days, weeks, and months between two dates, with or without weekends.
● Live · free Time & DateTime Zone Meeting Planner
See one time across multiple time zones to schedule across the world.
● Live · freeHR & People
2 Pay, time, and headcount math.Marketing & SEO
8 Small helpers for growth teams.Google SERP Preview
Preview how your page title and meta description appear in Google, with length checks.
● Live · free Marketing & SEOUTM Link Builder
Build tagged campaign URLs with UTM parameters for Google Analytics — source, medium, campaign, term, and content.
● Live · free Marketing & SEOMeta Tag Generator
Generate SEO title, description, canonical, Open Graph, and Twitter Card meta tags ready to paste into your page head.
● Live · free Marketing & SEOSocial Share Preview
See how your link will look when shared on Facebook, X/Twitter, and LinkedIn — before you post it.
● Live · free Marketing & SEOKeyword Density Checker
Analyze text to see word and phrase frequency and density — spot keyword stuffing and check on-page focus.
● Live · free Marketing & SEOROAS Calculator
Calculate return on ad spend, ACOS, profit, and your break-even ROAS from ad spend, revenue, and margin.
● Live · free Marketing & SEOURL Slug Generator
Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphenated, with optional stop-word removal.
● Live · free Marketing & SEORobots.txt Generator
Create a valid robots.txt to control how search engines crawl your site — allow all, block paths, and point to your sitemap.
● Live · freeEveryday
6 Handy tools for real life.Tip Calculator
Work out the tip and total for any bill, and split it across the table.
● Live · free EverydaySplit the Bill Calculator
Divide a bill (with tip) evenly among any number of people.
● Live · free EverydayUnit Converter
Convert length, weight, temperature, and speed between common units.
● Live · free EverydayFuel / Trip Cost Calculator
Estimate the fuel cost of a trip from distance, efficiency, and price.
● Live · free EverydayGPS Coordinate Converter
Convert coordinates between decimal degrees and degrees-minutes-seconds (DMS).
● Live · free EverydayDistance Between Coordinates
Find the straight-line distance between two latitude/longitude points.
● Live · freeAI & Prompting
5 Prompting and LLM helpers.LLM Token Counter
Estimate the token count of a prompt for Claude, ChatGPT, and other models, and see what context window it fits.
● Live · free AI & PromptingPrompt Builder
Turn role, task, context, format, and constraints into a clean, copy-ready prompt.
● Live · free AI & PromptingSystem Prompt Generator
Build a solid system prompt for an AI assistant — persona, tone, capabilities, and guardrails.
● Live · free AI & PromptingLLM API Cost Calculator
Estimate the cost of LLM API calls from input and output tokens and per-token pricing.
● Live · free AI & PromptingAgentic AI Token Cost Estimator
Estimate the monthly token cost of an AI agent that makes many LLM calls per task — reasoning steps and tool calls.
● Live · freeCopilot Prompting
5 Get more from Microsoft 365 & GitHub Copilot.Microsoft 365 Copilot Prompt Builder
Build effective Microsoft 365 Copilot prompts with the Goal, Context, Source, Expectations framework — for Word, Excel, Outlook, Teams, and PowerPoint.
● Live · free Copilot PromptingGitHub Copilot Prompt Helper
Turn a coding task into a clear, context-rich prompt that gets better code out of GitHub Copilot and Copilot Chat.
● Live · free Copilot PromptingExcel Copilot Formula Builder
Describe the calculation in plain English and get a clear Copilot-in-Excel prompt that returns the right formula.
● Live · free Copilot PromptingCopilot Prompt Library
A searchable library of proven Microsoft 365 Copilot prompts for Word, Excel, Outlook, Teams, and PowerPoint.
● Live · free Copilot PromptingCopilot vs ChatGPT — Which to Use?
Answer a few questions about your task and see whether Microsoft 365 Copilot or ChatGPT is the better fit.
● Live · freeAccounting
8 Tax, margins, and bookkeeping math.Sales Tax / VAT Calculator
Add or remove sales tax or VAT from any price at any rate.
● Live · free AccountingMargin & Markup Calculator
Turn cost and price into profit, gross margin, and markup percentages.
● Live · free AccountingBreak-Even Calculator
Find the units and revenue you need to cover fixed and variable costs.
● Live · free AccountingProfit Margin Calculator
Calculate gross and net profit margins from revenue and costs.
● Live · free AccountingDepreciation Calculator
Straight-line and declining-balance depreciation with a year-by-year schedule.
● Live · free AccountingFree Invoice Generator
Create a clean, professional invoice with line items, tax, and discount — then print or save it as a PDF. Nothing uploaded.
● Live · free AccountingAmortization Schedule Calculator
Get the monthly payment and a full principal-and-interest amortization schedule for any loan.
● Live · free AccountingCash Runway Calculator
See how many months of runway your cash gives you from monthly expenses and revenue — and your net burn.
● Live · freeContent & Social
8 Write and format posts for social.Hashtag Generator
Turn keywords and phrases into clean, ready-to-copy hashtags for Instagram, LinkedIn, X, and TikTok.
● Live · free Content & SocialInstagram Caption Builder
Build an Instagram caption from a hook, body, and call to action, with matching hashtags and a live character count.
● Live · free Content & SocialLinkedIn Text Formatter (Bold & Italic)
Turn plain text into bold or italic Unicode you can paste into LinkedIn, X, and Instagram, which have no rich text.
● Live · free Content & SocialLinkedIn Headline Generator
Build a clear LinkedIn headline from your role, value, and audience, with a live character count against the 220 limit.
● Live · free Content & SocialSocial Media Bio Generator
Craft a short bio and check it against the character limits for X, Instagram, LinkedIn, and TikTok at once.
● Live · free Content & SocialLinkedIn Post Builder
Turn a hook, body, and call to action into a well-formatted LinkedIn post — with a live character count and preview.
● Live · free Content & SocialX / Twitter Thread Builder
Paste long text and split it into a numbered thread of tweets that each fit the character limit.
● Live · free Content & SocialSocial Media Character Counter
Count characters against each platform’s limit — X, LinkedIn, Instagram, Facebook, and more — as you type.
● Live · freeData & Text
7 Clean, sort, and transform text.Reverse Text
Reverse text by characters, words, or lines — instantly, all in your browser.
● Live · free Data & TextText Cleaner
Trim whitespace, collapse extra spaces, remove blank lines, or strip line breaks from messy text.
● Live · free Data & TextList Randomizer / Shuffler
Shuffle a list into random order or pick a random item — for draws, assignments, and fair ordering.
● Live · free Data & TextRemove Duplicate Lines
Paste a list and remove duplicate lines instantly, with options to trim, ignore case, and sort the result.
● Live · free Data & TextSort Lines (A–Z / Numeric)
Sort lines of text alphabetically or numerically, ascending or descending, with optional dedupe.
● Live · free Data & TextFind & Replace Text
Find and replace across a block of text, with case-insensitive and regular-expression options.
● Live · free Data & TextRandom Number Generator
Generate random numbers in any range, unique or repeatable, one or many at a time.
● Live · freeHealth & Fitness
7 Calories, body metrics, and training math.BMI Calculator
Calculate body mass index from height and weight, in metric or imperial.
● Live · free Health & FitnessCalorie Calculator (TDEE & BMR)
Estimate your BMR and daily calorie needs (TDEE) from age, sex, height, weight, and activity — plus cut and bulk targets.
● Live · free Health & FitnessMacronutrient Calculator
Split a daily calorie target into grams of protein, carbs, and fat for any ratio.
● Live · free Health & FitnessBody Fat Percentage Calculator
Estimate body fat percentage from simple tape measurements using the U.S. Navy method.
● Live · free Health & FitnessIdeal Weight Calculator
Estimate a healthy target weight range for your height using established formulas.
● Live · free Health & FitnessWater Intake Calculator
Estimate how much water to drink a day from your body weight and exercise time.
● Live · free Health & FitnessRunning Pace Calculator
Work out your pace per km or mile and speed from a distance and time — for runs, races, and training.
● Live · free