All Free Online Tools
Browse every tool on DotsApps, organized by category. No sign-up, no ads — everything runs directly in your browser.
Text Tools
10 tools
Readability Analyzer Check reading level and content quality with multiple readability scores
→ 
Word Counter Count words, characters, sentences & paragraphs instantly
→ 
Lorem Ipsum Generator Generate placeholder text for your designs and mockups
→ 
Text Diff Checker Compare two texts and find the differences
→ 
Markdown Preview Write Markdown and see the rendered HTML in real-time
→ 
Text to Speech Convert text to spoken audio using your browser
→ 
Typing Speed Test Test your typing speed and accuracy in WPM
→ 
Morse Code Translator Convert text to Morse code and Morse code to text instantly — with audio playback and a full reference chart
→ 
Emoji Picker Search, browse, and copy emojis with one click
→ 
Fancy Text Generator Convert text into stylish Unicode fonts for social media bios and posts
→Developer Tools
20 tools
JSON Formatter Format, validate, and view your JSON data
→ 
Regex Tester Test and debug regular expressions with real-time matching
→ 
Base64 Encoder / Decoder Encode text to Base64 or decode Base64 to text
→ 
URL Encoder / Decoder Encode or decode URLs and query parameters
→ 
Hash Generator Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
→ 
UUID Generator Generate UUIDs, ULIDs, NanoIDs and more
→ 
JWT Decoder Decode and inspect JSON Web Tokens
→ 
CSS Minifier Minify CSS code to reduce file size
→ 
JavaScript Minifier Minify JavaScript code to reduce file size
→ 
Text Encryption / Decryption Encrypt and decrypt text with AES-256 encryption
→ 
RSA Key Pair Generator Generate RSA key pairs for encryption and signing
→ 
Encoding Detector & Decoder Auto-detect and decode Base64, URL encoding, hex, JWT, and more
→ 
HTML Entity Encoder / Decoder Encode and decode HTML entities and special characters
→ 
JSON to CSV Converter Convert JSON arrays to CSV format and back
→ 
YAML to JSON Converter Convert between YAML and JSON instantly
→ 
XML Formatter Format, beautify, and validate XML documents
→ 
HTML to Markdown Convert HTML markup to clean Markdown syntax
→ 
CSV Viewer View and explore CSV data as an interactive table
→ 
HTTP Status Codes Searchable reference of all HTTP status codes
→ 
HTML/CSS/JS Playground Write and preview HTML, CSS, and JavaScript with live output
→Converter Tools
8 tools
Color Converter Convert between HEX, RGB, HSL, and more color formats
→ 
Number Base Converter Convert between binary, octal, decimal, and hexadecimal
→ 
Unit Converter Convert length, weight, temperature, and more units
→ 
Unix Timestamp Converter Convert between Unix timestamps and human-readable dates
→ 
Currency Converter Convert between 30+ world currencies
→ 
Text to Binary Converter Convert text between binary, hex, octal, and decimal
→ 
XLSX / CSV Converter Convert between Excel (XLSX) and CSV formats instantly
→ 
PDF Converter All-in-one PDF tools: convert images, extract pages, create from text, and merge files
→Generator Tools
6 tools
QR Code Generator Generate QR codes for URLs, text, WiFi, and more
→ 
Meta Tag Generator Generate HTML meta tags for SEO and social sharing
→ 
Invoice Generator Create professional invoices and print or save as PDF
→ 
Password Generator Generate strong, secure, random passwords instantly
→ Signature Generator Create realistic handwritten-style signatures instantly
→ 
Text to Handwriting Convert typed text into realistic handwritten pages
→Image Tools
9 tools
Image to Base64 Convert images to Base64 encoded data URLs
→ 
Image Resizer Resize images to exact dimensions or percentage
→ 
Image Compressor Compress images to reduce file size without losing quality
→ 
Image Cropper Crop images to any size with visual selection
→ 
Image Format Converter Convert images between PNG, JPEG, WebP, and more
→ 
Image Filters Apply filters and effects to images: blur, grayscale, sepia, and more
→ 
Favicon Generator Generate favicons for your website from any image
→ 
Background Remover Remove image backgrounds automatically
→ 
Placeholder Image Generator Generate beautiful placeholder images with patterns
→Finance & Math
5 tools
Percentage Calculator Calculate percentages, percentage change, margin, markup, and more instantly
→ 
Mortgage Calculator Calculate monthly mortgage payments and view amortization schedule
→ 
Compound Interest Calculator Calculate compound interest with year-by-year growth breakdown
→ 
Loan Calculator Calculate loan EMI, total interest, and view full payment schedule
→ 
Scientific Calculator Full scientific calculator with trig, log, factorial, and more
→Health & Fitness
3 tools
Everyday Tools
11 tools
Age Calculator Calculate your exact age in years, months, days, and more
→ 
Timezone Converter Convert time between major world timezones instantly
→ 
Countdown Timer Set a countdown timer with audio alert and progress bar
→ 
Stopwatch Precise stopwatch with lap times and delta tracking
→ 
Pomodoro Timer Stay focused with the Pomodoro technique - work, break, repeat
→ 
Random Number Generator Generate random numbers, roll dice, flip coins, pick random colors, and choose from custom lists — all in one free tool
→ 
Todo App Simple task manager with multiple lists and progress tracking
→ 
Online Metronome Free precise metronome with pendulum animation, 6 sounds, tap tempo, speed trainer, and subdivisions
→ 
Grade Calculator Calculate your course grade, weighted average, and what you need on the final
→ Steal or Stack Multiplayer strategy game — outsmart your opponent in real-time
→ 
Glitch Runner Duel Race your friend in an endless runner — and corrupt their reality
→Design & CSS
4 tools
Color Palette Generator Generate beautiful, harmonious color palettes
→ 
CSS Gradient Generator Create beautiful CSS gradients with a visual editor and get the code instantly
→ 
CSS Box Shadow Generator Design box shadows visually with multiple layers and get CSS code
→ 
CSS Grid Generator Design CSS Grid layouts visually by clicking cells and get the code
→Data & Statistics
1 toolsLife & Lifestyle
9 tools
Mood Journal Track your daily mood, activities, and well-being over time
→ 
Baby Name Explorer Browse, filter, and discover baby names from diverse origins
→ 
Life Expectancy Calculator Estimate life expectancy based on lifestyle factors (educational only)
→ 
Daily Planner Plan your day with time blocks, tasks, priorities, and notes
→ 
Movie Recommender Free AI Movie Recommender — get personalized picks based on your mood and taste
→ 
Random Activity Generator Discover fun activities when you're bored or need inspiration
→ 
Sleep Calculator Calculate optimal bedtimes and wake times based on sleep cycles
→ 
Habit Tracker Build better habits with streak tracking and visual progress
→ 
Decision Maker Make decisions with spin wheels, coin flips, pros/cons, and more
→