Free Online Tools
Image, text, developer and calculator tools. Private, fast, free — nothing is uploaded.
Image Tools
Image Compressor
Compress images online without losing quality. Private, fast and free.
Image Converter
Convert images between PNG, JPG and WebP formats in your browser.
Image Resizer
Resize and crop images to exact dimensions. No upload needed.
QR Code Generator
Generate QR codes from text or URLs and download them as PNG.
PDF Merger
Combine multiple PDF files into one, in the order you choose.
PDF Splitter
Extract selected pages from a PDF using ranges like 1-3,5.
PDF Compressor
Reduce PDF file size by re-encoding the document structure.
Image to Base64
Convert any image to a Base64 data URL, ready to embed in HTML or CSS.
Favicon Generator
Create app icons and favicons from text with custom colors and shapes.
SVG to PNG
Convert SVG code to a PNG image with custom resolution.
Text Tools
Word Counter
Count words, characters, sentences and paragraphs in any text.
JSON Formatter
Format, minify and validate JSON with instant error detection.
Base64 Encoder / Decoder
Encode and decode Base64 text or files instantly.
Case Converter
Convert text to uppercase, lowercase, camelCase, snake_case and more.
Chinese Converter
Convert between Simplified and Traditional Chinese instantly with the official OpenCC dictionary.
RMB Uppercase Converter
Convert numbers to Chinese uppercase RMB (financial) format instantly.
Text Diff
Compare two texts and highlight the differences, word by word.
Morse Code Converter
Convert text to Morse code and back, with full letter, digit and symbol support.
Text Encryptor
Encrypt text with AES-256-GCM using a password. Decrypt on any device.
Text Analyzer
Deep statistics: word frequency, unique words, reading time and more.
Pinyin Converter
Convert Chinese characters to pinyin with tones, numbers or plain.
Developer Tools
Timestamp Converter
Convert Unix timestamps to dates and back, in seconds or milliseconds.
Password Generator
Generate strong random passwords with custom character sets.
UUID Generator
Generate UUID v4 identifiers in bulk, free and in your browser.
Hash Generator
Calculate MD5, SHA-1 and SHA-256 hashes of any text instantly.
Color Converter
Convert colors between HEX, RGB and HSL with a live preview.
URL Encoder / Decoder
Encode and decode URL components with non-ASCII and special characters.
Regex Tester
Test regular expressions live with match highlighting and ready-made presets.
Timezone Converter
Convert time between 17 world timezones with a live world clock.
Random Number Generator
Generate random integers or decimals in any range, with or without duplicates.
SQL Formatter
Pretty-print SQL with keyword line breaks and indentation.
Calculators
Age Calculator
Calculate your exact age in years, months and days.
Date Difference Calculator
Calculate the exact difference between two dates.
Percentage Calculator
Solve common percentage problems in seconds.
Unit Converter
Convert length, weight, temperature, area and volume units.
BMI Calculator
Calculate your Body Mass Index and see the healthy weight range.
Mortgage Calculator
Calculate monthly payments, total interest and total cost for home loans.
Discount Calculator
Find the sale price, discount rate or original price in seconds.
Fuel Consumption Calculator
Calculate fuel consumption per 100 km and trip fuel costs.
Retirement Calculator
Estimate your retirement savings with compound interest projections.
Scientific Calculator
A full scientific calculator with trig, log and power functions — works offline.
Loan Calculator
Calculate monthly payments, interest and rate conversions for auto and personal loans.
Workday Calculator
Count working days, weekends and weeks between any two dates.
Currency Converter
Convert between 12 major currencies instantly with offline reference rates.
Countdown Timer
Live countdown to any date and time, updating every second.
Why browser-local tools?
All 45 tools run 100% in your browser — images, PDFs and text never leave your device. Compared to upload-based tools, you get better privacy, instant speed, and offline support with no sign-up.
Popular: Image Compressor, PDF Merger, JSON Formatter, QR Generator, Mortgage Calculator. 8 languages, free forever.