Free Online Tools
All tools run locally in your browser. Your data is never uploaded to any server — fast, private and free.
Calculator
Percentage Calculator
Find percentages, ratios and percent change instantly.
Use nowAge Calculator
Calculate exact age in years, months and days from a birth date.
Use nowDate Difference Calculator
Count days, weeks and working days between two dates.
Use nowTip Calculator
Calculate tip, total and amount per person for any bill.
Use nowLoan Calculator
Estimate monthly payments, total interest and payoff plans.
Use nowScientific Calculator
Online scientific calculator with trig, logs, roots and powers.
Use nowDeveloper
JSON Formatter
Format, minify and validate JSON with syntax highlighting.
Use nowBase64 Encode/Decode
Encode and decode Base64 for text and files.
Use nowTimestamp Converter
Convert between Unix timestamp and date-time, seconds/ms.
Use nowRegex Tester
Test regular expressions with live highlighting and groups.
Use nowDiff Checker
Compare two texts line by line with colored differences.
Use nowMarkdown Editor
Write Markdown with live preview and HTML export.
Use nowCSV to JSON Converter
Convert between CSV and JSON both ways with headers.
Use nowHTML Entity Converter
Encode and decode HTML entities including < & etc.
Use nowText Encryptor
Encrypt and decrypt text locally with AES-GCM.
Use nowHash Generator
Compute MD5, SHA-1, SHA-256 hashes of text or files.
Use nowImage
Image Compressor
Compress JPG, PNG and WebP images locally in your browser.
Use nowImage Converter
Convert images between PNG, JPG, WebP, BMP and ICO.
Use nowColor Picker
Pick colors and convert HEX, RGB and HSL instantly.
Use nowImage Cropper
Crop images online with free or preset aspect ratios.
Use nowImage Resizer
Resize images by pixels or percentage, keep aspect ratio.
Use nowImage to Base64
Convert images to Base64 / Data URI for HTML and CSS.
Use nowImage Watermark
Add a custom text watermark to images online.
Use nowFavicon Generator
Create multi-size website icons from one image.
Use nowColor Palette Generator
Generate harmonious color palettes from one base color.
Use nowDocument
Text
Word Counter
Count words, characters and lines of any text in real time.
Use nowText Case Converter
Convert text to upper, lower, title, camelCase and more.
Use nowLorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words.
Use nowKeyword Density Checker
Analyze keyword frequency and density in your content.
Use nowGenerator
QR Code Generator
Create QR codes from text or URLs and download as PNG.
Use nowPassword Generator
Generate strong random passwords with custom options.
Use nowRandom Number Generator
Generate random integers or decimals in any range.
Use nowUUID Generator
Generate UUID v4 / GUIDs in bulk with options.
Use now