A wide range of simple online tools.

Word Counter

Count words, readability score and keywords.

Character Counter

Count characters and check platform limits.

Case Converter

17 text case transforms in one tool.

Reading Time Calculator

Estimate reading time for any text.

Lorem Ipsum Generator

5 flavors · words/sentences/paragraphs.

Slug Generator

Clean SEO slugs with full control and bulk mode.

Typing Speed Test

WPM test with accuracy, code mode and PR.

Online Notepad

Multi-note · markdown · AES-encrypted · auto-save.

Find and Replace

Find/replace with regex, preview and diff view.

Calculators

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Percentage Calculator

8 percentage modes in one tool.

VAT Calculator

Add/remove VAT, 16 country presets.

Discount Calculator

4 discount modes incl. stacked.

Mortgage Calculator

Payment, interest & full amortization.

Tip Calculator

Bill split with tip & rounding.

Aspect Ratio Calculator

Width × height × ratio with preview.

Compound Interest Calculator

Compare scenarios, goal seek, escalation, tax drag.

Loan Calculator

Monthly payment, total interest and amortization.

Converters

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Cm to Inches Converter

8 length units in one converter.

Kg to Lbs Converter

8 weight units in one converter.

Celsius to Fahrenheit Converter

C ⇄ F ⇄ K ⇄ R + reference points.

Image Converter

Convert PNG ↔ JPG ↔ WebP in batch.

Image to PDF

Combine images into one PDF file.

Date & Time

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Days Between Dates

Total days, calendar breakdown, workdays.

Age Calculator

Full age & life-stats dashboard.

Online Timer

Countdown timer with alarm sounds.

Stopwatch

Stopwatch with laps & CSV export.

Timestamp Converter

Epoch ↔ ISO ↔ multi-timezone.

Time Zone Converter

World clock & meeting planner.

Pomodoro Timer

Focus cycles, tasks, alerts and weekly stats.

Date Calculator

Add, subtract and compare dates with business-days mode.

Generators

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Password Generator

Passwords, passphrases and PIN codes.

UUID Generator

v4, v7, ULID and Nano ID generator.

Random Number Generator

Random integers, decimals & sequences.

Dice Roller

Roll D&D dice with modifiers.

Coin Flip

Animated coin flip & bulk mode.

Random Picker

Random winner, shuffle or team splitter.

Random Color Generator

Random palettes with HEX/RGB/HSL/OKLCH.

QR Code Generator

QR for URL, Wi-Fi, vCard & more.

Wheel Spinner

Customizable picker wheel with weights and presets.

Developer

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JSON Formatter

Format, validate, convert, analyze JSON.

Base64 Encoder

Base64 encode/decode with UTF-8 and files.

URL Encoder

Encode, decode or parse URLs.

Regex Tester

Live matching, groups & cheat sheet.

Diff Checker

Side-by-side compare with word diff.

Hash Generator

MD5, SHA-1/256/384/512, HMAC, files.

JWT Decoder

Decode, verify and sign JWTs locally.

CSV ↔ JSON Converter

CSV ↔ JSON with type infer, flatten, preview.

Markdown Editor

Live preview, toolbar, TOC, HTML export.

JSON Validator

Validate JSON with line + column error pointer.

HTML Formatter

Beautify or minify HTML in one tool.

SQL Formatter

Beautify SQL with dialect support, or minify it.

Design

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Hex to RGB Converter

Hex/RGB/HSL + palettes + contrast.

RGB to Hex Converter

RGB → hex + palettes + contrast.

Image Compressor

Smart compression with target size.

Image Resizer

Resize by px, % or max side.

Gradient Generator

Linear / radial / conic, multi-stop.

Color Picker

Pick from image, screen or hex — every format.

Contrast Checker

WCAG + APCA, palette matrix, auto-fix, exports.

Image Cropper

Crop, rotate, flip, batch — JPG/PNG/WebP output.

EXIF Viewer

Read all EXIF tags · GPS map link · strip metadata.

Box Shadow Generator

Multi-layer shadow stack with presets & previews.

CSS Grid Generator

Visual grid layouts · areas · templates · CSS & Tailwind.

Device

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Device

What Is My Browser

30+ browser & device details.

Device

Screen Resolution Checker

Display, GPU, codecs, network, breakpoints — live.

Health

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Health

BMI Calculator

BMI + BMR + TDEE + body composition.

Health

Calorie Calculator

BMR + TDEE + macros for any goal.

Health

BMR Calculator

BMR + TDEE with three formulas and calorie targets.

Business

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ROI Calculator

ROI in 3 modes incl. compound contributions.

SWOT Analysis Maker

4-quadrant SWOT with themes, export & import.

Business Model Canvas

9-block canvas with themes, export & import.

PESTEL Analysis Maker

6-factor PESTEL/DESTEP analysis with export.

Ansoff Matrix Maker

Ansoff growth matrix with risk levels & export.

BCG Matrix Maker

BCG growth-share matrix with auto-bubble plot.

Eisenhower Matrix

Urgent/important task matrix with checkboxes.

Marketing Mix (4P / 7P)

4P / 7P marketing mix template with export.

SMART Goals Maker

Multi-goal SMART template with completeness score.

Balanced Scorecard Maker

Kaplan-Norton BSC with KPIs, targets & initiatives.

Confrontation Matrix Maker

SWOT × strategy matrix with SO/ST/WO/WT cells.

PDCA Cycle Tool

Plan-Do-Check-Act improvement cycle with iterations.

Lean Canvas Maker

9-block Lean Canvas for startups with export.

OKR Tracker

OKR template with KR progress bars & export.

Risk Matrix Maker

5×5 probability × impact risk heat map.

Empathy Map Maker

6-section empathy map with persona & export.

Stakeholder Matrix Maker

Power × Interest stakeholder grid with bubbles.

Invoice Generator

Invoice with logo, tax, currency, PDF print & JSON.

Org Chart Maker

Hierarchy editor with depts, layout & export.

Mind Map Maker

Branches, themes, keyboard-driven, multi-format export.