131 of 131 tools shown
Calculator
Everyday maths: percentages, averages, ratios, fractions, ages, and unit conversions.
Percentage Calculator
Calculate a percentage of a number, percentage change between two values, and what percentage one number is of another.
Open toolAverage Calculator
Calculate the mean, median, mode, range, and standard deviation of a list of numbers pasted or typed in any format.
Open toolFraction Calculator
Add, subtract, multiply, and divide fractions, with results automatically simplified and shown as a decimal.
Open toolRatio Calculator
Simplify ratios, scale them up or down, and solve for a missing value in an equivalent-ratio proportion.
Open toolNumber Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and any base from 2 to 36 in one step.
Open toolRoman Numerals
Convert numbers to Roman numerals and Roman numerals back to numbers, with validation for correct subtractive notation.
Open toolGPA Calculator
Calculate your grade point average from course grades and credit hours on the standard 4.0 scale.
Open toolRandom Numbers
Generate random numbers in any range, with or without duplicates, using your browser’s cryptographic random source.
Open toolUnit Converter
Convert length, weight, temperature, area, volume, speed, time, and digital storage units instantly and accurately.
Open toolAge Calculator
Calculate exact age from a date of birth in years, months and days, plus total days lived and the next birthday countdown.
Open toolGrade Calculator
Work out your weighted course grade and the exact score you need on the final exam to reach the grade you want.
Open toolHeight Converter
Convert height between centimetres and feet and inches instantly, in either direction, with total inches and metres.
Open toolScientific Notation
Convert any number to scientific, e-notation and engineering notation, or expand 6.02e23 back into standard form.
Open toolArea Calculator
Calculate area for rectangles, triangles, circles, trapezoids and more, shown in square feet, square metres, yards and acres, with a cost estimate.
Open toolCareer
Resume checking and job-search helpers: see what an applicant tracking system reads, and match your resume to a posting.
ATS Resume Checker
See what an applicant tracking system extracts from your resume and every structural problem that could break it.
Open toolResume Keyword Scanner
Compare your resume with a job description: matched, buried and missing keywords.
Open toolResume Parser Test
See the fields a parser extracts from your resume, next to the resume itself.
Open toolATS Friendly Check
A plain yes or no on whether your resume is ATS friendly, with the reasons and fixes.
Open toolDate & Time
Date differences, deadlines, business days, durations, countdowns, and Unix timestamps.
Days Between Dates
Count the days, weeks, months, and years between two dates, with an option to exclude weekends.
Open toolDate Add & Subtract
Add or subtract days, weeks, months, or years from any date to find the resulting calendar date and weekday.
Open toolTime Duration
Calculate the duration between two times, including overnight spans, and convert the result to decimal hours for timesheets.
Open toolBusiness Days
Count working days between two dates or add a number of business days to a date, skipping weekends.
Open toolCountdown Timer
Create a live countdown to any date and time, showing days, hours, minutes, and seconds remaining.
Open toolTimestamp Converter
Convert Unix timestamps in seconds or milliseconds to local time, UTC, and ISO 8601, and convert dates back to epoch time.
Open toolTimesheet Calculator
Add up hours worked each day from start, end and break times, get the weekly total in decimal hours, and estimate gross pay.
Open toolDeveloper
JSON, Base64, JWT, regex, hashing, colour, CSS, and the reference tables you keep re-searching.
JSON Formatter
Format, validate, minify, and sort JSON online with precise syntax error messages and line numbers.
Open toolBase64 Tool
Encode text to Base64 or decode Base64 back to Unicode text, with URL-safe Base64 support.
Open toolURL Encoder
Percent-encode text for safe use in URLs, or decode percent-encoded URLs back into readable text.
Open toolJWT Decoder
Decode JWT headers and payload claims locally, inspect standard claims, and check token expiry.
Open toolUUID Generator
Generate random RFC 4122 version 4 UUIDs and GUIDs in bulk, with uppercase, hyphen-free, and braced formats.
Open toolRegex Tester
Test JavaScript regular expressions live with highlighted matches, capture groups, positions, and flag support.
Open toolHash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text using the browser’s native Web Crypto API.
Open toolHTML Encoder
Convert characters to HTML entities and decode entities back to plain text, protecting markup from breaking.
Open toolCSV to JSON
Convert CSV data into a JSON array of objects, with header detection, custom delimiters, and quoted field support.
Open toolJSON to CSV
Turn a JSON array of objects into CSV, flattening nested fields and quoting values that need escaping.
Open toolMarkdown to HTML
Convert Markdown to clean HTML with support for headings, lists, links, images, code blocks, tables, and quotes.
Open toolColor Converter
Convert colours between HEX, RGB, HSL, and CSS formats with a live preview and contrast information.
Open toolGradient Generator
Build linear and radial CSS gradients visually with multiple colour stops and copy the generated CSS.
Open toolBox Shadow
Design CSS box shadows visually with offset, blur, spread, colour, and inset controls, then copy the CSS.
Open toolHTTP Status Codes
Searchable reference of every HTTP status code with meaning, typical cause, and what to do about it.
Open toolMeta Tag Generator
Generate title, description, canonical, Open Graph, and Twitter Card meta tags with live length validation and a SERP preview.
Open toolRobots.txt Generator
Build a valid robots.txt file with crawl rules per user agent, disallowed paths, and a sitemap reference.
Open toolUser Agent Parser
Parse a user agent string to identify the browser, engine, operating system, and device type.
Open toolText to Binary
Translate text to binary, hex, decimal or octal and back again. Handles UTF-8, accents and emoji, entirely in your browser.
Open toolImage Converter
Convert HEIC, camera RAW, PNG, WebP and JPG in your browser, with batch conversion and optional GPS removal.
Open toolHEIC to JPG
Convert iPhone HEIC photos to JPG in your browser without uploading them.
Open toolPrivate HEIC Converter
A private HEIC to JPG converter that never uploads your photos.
Open toolHEIC to PNG
Convert HEIC photos to lossless PNG in your browser.
Open toolRAW to JPG
Batch-convert camera RAW files to JPG in your browser, quick preview or full decode.
Open toolCR2 to JPG
Convert Canon CR2 RAW photos to JPG in your browser.
Open toolNEF to JPG
Convert Nikon NEF RAW photos to JPG in your browser.
Open toolARW to JPG
Convert Sony ARW RAW photos to JPG in your browser.
Open toolDNG to JPG
Convert Adobe DNG files to JPG in your browser.
Open toolLarge CSV Viewer
Open, scroll, filter and sort CSV files too big for Excel, in your browser without uploading.
Open toolMerge CSV Files
Combine many CSV files into one, matching columns by name, in your browser.
Open toolSplit CSV
Split a big CSV by rows, size or column value into a zip of parts.
Open toolCSV Deduplicate
Remove duplicate rows from a CSV by whole row or chosen columns.
Open toolCSV to Excel
Convert large CSV files to .xlsx, continuing past Excel’s row limit on extra sheets.
Open toolLLM Token Counter
Count tokens for a prompt and compare API cost across Claude, GPT and Gemini models.
Open toolLLM API Cost Calculator
Estimate per-call and monthly LLM API spend from tokens and daily volume.
Open toolLLM Pricing Comparison
Sortable per-million-token prices for current Claude, GPT and Gemini models.
Open toolIP Address Checker
See your public IP address, approximate location, and network details.
Open toolScreen Resolution
Check your screen resolution, viewport size, pixel ratio, and colour depth.
Open toolCodeShare
Share and collaborate on code snippets in real time.
Open toolFinance
Loans, mortgages, interest, tax, margins, and the pricing maths behind a small business.
Loan Calculator
Estimate monthly loan payments, total interest, and total repayment from the loan amount, interest rate, and term.
Open toolMortgage Calculator
Calculate monthly mortgage repayments including property tax and insurance, plus total interest over the life of the home loan.
Open toolCompound Interest
Project how savings and investments grow with compound interest, regular monthly contributions, and different compounding frequencies.
Open toolSimple Interest
Calculate simple interest and total repayment on a principal amount using the classic I = P × R × T formula.
Open toolTip Calculator
Work out the tip on a restaurant bill, add it to the total, and split the amount evenly between any number of people.
Open toolDiscount Calculator
Calculate the sale price after a percentage discount, the amount you save, and the true effective rate on stacked offers.
Open toolSales Tax Calculator
Add sales tax, VAT, or GST to a net price, or strip tax out of a gross price to find the net amount and the tax portion.
Open toolMargin & Markup
Calculate gross profit, profit margin, and markup from cost and selling price, or find the price needed to hit a target margin.
Open toolROI Calculator
Calculate return on investment, net gain, and annualised ROI from the amount invested, the amount returned, and the holding period.
Open toolBreak-Even Calculator
Find how many units you must sell to cover fixed and variable costs, plus the revenue required to break even.
Open toolSavings Goal
Work out how much to save each month to reach a target amount by a chosen date, with savings interest taken into account.
Open toolSalary to Hourly
Convert an annual salary into hourly, daily, weekly, and monthly pay, or convert an hourly rate back into an annual salary.
Open toolInflation Calculator
See what an amount of money will be worth after inflation, and how much you would need in future to match today’s purchasing power.
Open toolCredit Card Payoff
See how long a credit card balance takes to clear, how much interest it costs, and what payment gets you debt-free by a date.
Open toolPakistan Salary Tax
Monthly take-home pay and income tax for salaried individuals in Pakistan, slab by slab, with a year-on-year comparison.
Open toolPakistan Tax Slabs
Salaried-individual income tax slabs for Pakistan, several tax years side by side, with sources.
Open toolGross to Net Pakistan
Convert gross salary to take-home pay in Pakistan, or find the gross salary needed for a target net.
Open toolBank Statement Converter
Convert a bank statement PDF to Excel or CSV in your browser, with a running-balance check.
Open toolGames
A short daily puzzle for when the work is done.
Health
BMI, calories, macros, body composition, hydration, and pregnancy dates, with the limits of each method stated plainly.
BMI Calculator
Calculate body mass index for adults from metric or imperial measurements and see the standard BMI category.
Open toolCalorie Calculator
Estimate your basal metabolic rate and daily calorie needs from age, sex, height, weight, and activity level.
Open toolIdeal Weight
Estimate a healthy body weight range for your height using the Devine, Robinson, Hamwi, and BMI-based methods.
Open toolBody Fat Calculator
Estimate body fat percentage from tape measurements using the US Navy circumference method, plus lean mass.
Open toolWater Intake
Estimate how much water to drink each day based on body weight, activity level, and climate.
Open toolMacro Calculator
Free macro calculator: split daily calories into protein, carb, and fat grams, with a preset built for weight loss.
Open toolDue Date Calculator
Estimate a pregnancy due date from the last menstrual period or conception date, with trimester dates and current gestational age.
Open toolPace Calculator
Calculate running pace per km and per mile from distance and time, plus speed and projected 5K, 10K, half and full marathon times.
Open toolOvulation Calculator
Estimate your ovulation day, fertile window and next period from the first day of your last period and your cycle length.
Open toolSecurity
Password generation and strength testing, plus card and email validation that never leaves your browser.
Password Generator
Generate strong random passwords with custom length and character sets using the browser’s cryptographic generator.
Open toolPassword Strength
Test how strong a password is, see its entropy in bits, and get an estimate of how long it would take to crack.
Open toolCard Validator
Check whether a card number passes the Luhn checksum and identify the card network from its prefix.
Open toolEmail Validator
Check email address syntax in bulk, flag common typos in popular domains, and separate valid from invalid entries.
Open toolSEO
Keyword discovery, long-tail research, content planning, and topic clustering with transparent browser-based methods.
Low Competition Keywords
Generate specific long-tail keyword ideas and rank them by a transparent opportunity score based on intent and specificity.
Open toolLong-Tail Generator
Turn a seed topic into question, comparison, problem, local, and buyer-intent long-tail keyword ideas.
Open toolKeyword Clustering
Group related keyword phrases by shared terms to plan pages, reduce cannibalisation, and build cleaner topic clusters.
Open toolSearch Intent Classifier
Classify keyword lists as informational, commercial, transactional, local, or navigational using visible language signals.
Open toolContent Brief Generator
Create a structured article brief with titles, headings, questions, angle, and on-page checks from a target keyword.
Open toolCannibalization Checker
Upload your Google Search Console export to find keyword cannibalization using your real data. Free, no subscription, no login — it runs in your browser.
Open toolTitle & Meta Checker
Free SEO title checker and meta description checker: check length, keyword placement, and preview your search snippet instantly.
Open toolSchema Markup Generator
Generate valid JSON-LD structured data for FAQ, Product, Article, Event, Recipe and more, with live validation.
Open toolContent Decay Checker
Compare two Search Console periods to find pages losing clicks, with a likely cause for each.
Open toolStriking Distance Keywords
Find page-two queries from your Search Console data, ranked by the clicks they could add.
Open toolGSC CTR Analyzer
Find pages and queries whose click-through rate is far below what their position predicts.
Open toolGSC Regex Generator
Build and test a regex for the Search Console filter: questions, brand vs non-brand, long-tail, folders.
Open toolText
Counting, casing, sorting, deduplicating, diffing, and cleaning up text before it goes anywhere.
Word Counter
Count words, characters, sentences, paragraphs, and reading time as you type, with keyword density analysis.
Open toolCase Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, or kebab-case.
Open toolRemove Duplicates
Delete duplicate lines from a list, optionally ignoring case and whitespace, and see how many were removed.
Open toolLine Sorter
Sort lines of text alphabetically or numerically, ascending or descending, with options to reverse or shuffle.
Open toolFind & Replace
Search and replace text across a document with case sensitivity, whole-word matching, and full regular expression support.
Open toolDiff Checker
Compare two blocks of text line by line and highlight every addition, deletion, and unchanged line.
Open toolLorem Ipsum
Generate placeholder lorem ipsum text by paragraphs, sentences, or words, with optional HTML paragraph tags.
Open toolSlug Generator
Turn any title into a clean, lowercase, SEO-friendly URL slug with accents transliterated and stop words optionally removed.
Open toolWord Frequency
Analyse which words and phrases appear most often in a text, with counts, density percentages, and two and three-word phrases.
Open toolRemove Line Breaks
Strip unwanted line breaks from copied text, join paragraphs, remove extra blank lines and collapse repeated spaces.
Open toolReverse Text
Reverse text by characters, words, or lines, and flip the order of a whole list in one click.
Open toolMorse Code Translator
Translate text to Morse code and Morse back to text, then play it as sound. Includes numbers and punctuation.
Open toolSubtitle Converter
Convert subtitles between SRT, VTT, ASS and SBV, fix encodings and timing, in your browser.
Open toolSubtitle Sync
Shift, stretch or two-point sync subtitle timings and preview against your video.
Open toolMerge Subtitles
Merge two subtitle files into one bilingual subtitle track.
Open toolSRT to VTT
Convert SRT subtitles to WebVTT in your browser.
Open toolVTT to SRT
Convert WebVTT captions to SRT in your browser.
Open toolSRT to TXT
Extract the text of a subtitle file as a clean transcript.
Open toolASS to SRT
Convert ASS and SSA subtitles to SRT in your browser.
Open toolWhatsApp Chat Analyzer
Turn an exported WhatsApp chat into statistics, a heatmap and a share card, entirely in your browser.
Open toolWhatsApp Statistics
Who texts more? Message counts, reply times and conversation starters from your exported chat.
Open toolWhatsApp Wrapped
Your year in chats: busiest day, streaks, top emoji and a downloadable share card.
Open toolRich Text to HTML
Write formatted content in a visual editor and export clean HTML markup.
Open toolPrivate by design
Calculations and text processing happen in your browser, not on a server.
Instant results
No uploads, no queues, no waiting for a job to finish.
No sign-up
Every tool is free and works without an account.
Useful tools without downloads or sign-ups
Talk & Tool collects the small utilities people search for constantly — a percentage, a loan repayment, a word count, a JSON document that will not parse — and puts them in one place with a consistent interface. Each tool opens instantly, works on a phone, and explains the method behind the result rather than just printing a number.
Nothing you type is transmitted. The calculators and converters run as JavaScript inside your own browser, which means a pasted JSON payload, a document you are counting, or a password you are testing all stay on your device.
Frequently asked questions
Are these online tools really free?
Yes. Every tool is free to use with no account, no trial, and no usage cap. The site is funded by advertising rather than by charging for the tools.
Is my data uploaded when I use a tool?
No. The calculators, converters, and text utilities run entirely in your browser using JavaScript. Text you paste and numbers you enter are never sent to a server.
Do the tools work on a phone?
Yes. Every tool is responsive and works in any modern mobile or desktop browser. Nothing needs to be installed.
Can I use these tools for commercial work?
Yes. You are free to use the results in commercial, academic, and personal work. The calculators are provided for general information and should not replace professional financial, medical, or legal advice.