Online Writing, Calculator, Converter & Image Tools

Explore fast, distraction-free tools for writing, text analysis, calculators, unit converters, and image utilities. Designed for creators, students, and professionals worldwide.

30+ tools and utilities No sign-up required Privacy-first
Featured

Word & Character Counter

Real-time counts, readability, keyword density, and grammar checks. The core editor behind WordCalculator.net.

Open Word Counter
  • Live stats
  • Readability & density
  • Export & share tools

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Available Tools

Popular

Age Calculator

Calculate exact age from date of birth in years, months, and days using timezone-safe logic.

10 sec calculator
New

BMI Calculator

Find your Body Mass Index (BMI) and weight category with a healthy weight range.

10 sec health
Advanced

Calorie Calculator

Estimate daily calorie needs (TDEE) using popular formulas and activity multipliers.

30 sec health
Advanced

Loan & EMI Calculator

Compute EMI, interest, and amortization schedule for loans and recurring payments.

20 sec finance

Interest Calculator

Compare simple vs compound interest, visualize growth, and evaluate savings scenarios.

25 sec finance
Popular

Length & Distance Converter

Convert between cm, inch, feet, meter, and kilometers. Includes cm ⇄ inch and feet ⇄ inch shortcuts.

Instant units

Area Converter

Convert square feet, square meters, acres, and hectares for property and layout planning.

Instant units

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin using precise yet simple formulas.

Instant units
New

Data Size Converter

Convert bytes, KB, MB, GB, and TB with clear explanations for tech and non-tech users.

Instant units

Speed Converter

Convert speed between km/h, mph, and m/s for travel, running, and engineering use.

Instant units

Million & Billion Converter

Convert between thousands, millions, billions, and trillions and format large numbers clearly.

Instant numbers
Popular

Image Compressor

Compress JPG, PNG, and WebP images in your browser to reduce file size without major quality loss.

Few seconds image

Image Resizer

Resize photos to exact width and height or by percentage. Fully browser-based for JPG and PNG.

Few seconds image

PNG to JPG Converter

Convert PNG images to JPG/JPEG format directly in your browser with adjustable quality.

Instant image

JPG to PNG Converter

Convert JPG/JPEG images to PNG, preserving detail and supporting transparency when possible.

Instant image
Core Tool

Word & Character Counter

Real-time counts, readability, keyword density, and grammar hints for any paste-in content.

Live writing

Case Converter

Convert text between sentence case, Title Case, UPPERCASE, lowercase, and developer-friendly cases.

Instant text
Beta

Grammar & Spell Checker

Detect spelling, grammar, and style issues with highlights and simple, actionable suggestions.

Live writing

Reading Time Calculator

Estimate reading time for articles, blog posts, or scripts based on flexible words-per-minute speeds.

Instant publishing

Typing Speed Test

Measure typing speed and accuracy with WPM, accuracy, and error rate metrics.

1 min productivity

Writing Goal Tracker

Track daily word targets, streaks, and long-term progress across your writing projects.

Ongoing productivity

Focus Timer (Pomodoro)

Run structured focus sessions with short breaks to stay productive without burnout.

25 / 5 min focus

Session History

Keep a lightweight log of recent documents, stats, and edits inside your browser storage.

Background workflow

Daily Writing Prompt

Get a fresh writing prompt every day to beat writer's block and spark new ideas.

1 min creativity

Writing Journal

Keep quick notes and reflections about your writing sessions stored safely in your browser.

Ongoing workflow

Keyword Density Analyzer

Analyze single and multi-word keyword frequency with suggestions for balanced density.

Instant seo

Title & Meta Preview

Preview how your titles and meta descriptions will look in search results and on social links.

Instant seo
Lab

Plagiarism Checker

Scan for duplicate phrases and potential plagiarism in a privacy-friendly, local-first way.

1–2 min originality
Advanced

Readability & Text Statistics

Check readability scores, grade levels, sentence length, and detailed text statistics in one view.

Instant writing

English Dictionary

Look up definitions, phonetics, and example sentences for English words in seconds.

Instant vocabulary

Synonym & Antonym Finder

Discover alternative words, synonyms, and antonyms to make your writing more dynamic.

Instant vocabulary

Rhyming Word Finder

Find perfect and near rhymes for poetry, lyrics, slogans, and creative writing projects.

Instant creativity

Word Frequency Analyzer

See the most frequent words and phrases in your text to refine tone and reduce repetition.

Instant analysis

Word to Page Converter

Estimate how many pages your word count will fill using common formatting presets.

5 sec planning

Speech Time Calculator

Convert word count into estimated speaking time for talks, videos, and live presentations.

Instant speaking

SEO Keyword Ideas

Generate related keyword ideas and variations to plan SEO-friendly content topics.

10 sec seo

Long-Tail Keyword Finder

Discover long-tail keyword phrases ideal for blog posts and niche SEO targeting.

10 sec seo