65+ Powerful Online Tools
For Developers & Creators

Combine multiple PDF documents into a single unified file inside your browser.

Extract specific page ranges or split a PDF into separate document files.

Rotate PDF pages 90°, 180°, or 270° clockwise or counter-clockwise.

Convert JPG, PNG, WebP images into a clean PDF document instantly.

Stamp custom text watermarks onto PDF pages with custom opacity and size.

Insert sequential page numbers in top or bottom margins of PDF pages.

Encrypt sensitive text using AES-256, TripleDES, or Rabbit algorithms with a secret passkey.

Analyse entropy bits, composition rules, and supercomputer attack crack time estimates.

Generate cryptographic MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.

Decode JSON Web Token headers, payload claims, and expiration date status.

Generate cryptographically random Version-4 UUIDs in bulk.

Share passwords & secrets via self-destructing single-view encrypted links.

Generate customizable ultra-secure passwords with high entropy.

Generate time-based 6-digit OTP codes (RFC 6238) from a Base32 2FA secret.

Compute secure bcrypt hashes or verify plain text passwords against bcrypt hashes.

Calculate percentage of numbers, percent change (increase/decrease), and ratios.

Calculate exact duration, total days, hours, and business workdays between two dates.

Calculate monthly EMI, total interest payable, and final loan repayment amount.

Calculate final price after discount percentage and exact dollar savings.

Calculate Mean, Median, Mode, Min, Max, Range, and Sum from a list of numbers.

Test if a number is prime and compute prime factorizations.

Calculate Greatest Common Divisor and Least Common Multiple of numbers.

Calculate Body Mass Index (BMI) score and body weight category.

Convert values between Decimal, Hexadecimal, Binary, and Octal bases.

Generate random numbers and sequences within custom min/max bounds.

Convert metrics across Length, Weight, Temperature, Speed, and Data Storage.

Convert integers to Roman Numerals (e.g. 2026 → MMXXVI) and vice versa.

Inspect your browser's exact User-Agent, resolution, platform, and GPU renderer.

Calculate tip amount and split restaurant bills evenly per person.

Solve for Speed, Distance, or Time in kinematics equations.

Calculate surface area for rectangles, circles, and triangles.

Calculate exact age in years, months, days, and hours from birthdate.

Convert and calculate fuel economy between MPG, L/100km, and km/L.

Beautify messy HTML code or compress HTML markup to save bandwidth.

Format nested CSS rules or minify stylesheets for production deployment.

Format minified JS code into clean, readable, structured JavaScript.

Prettify complex SQL SELECT, INSERT, and UPDATE queries automatically.

Parse 5-part cron schedule expressions into plain English explanations.

Test Regular Expressions against text strings in real-time.

Calculate network IP range, netmask, broadcast address, and usable hosts.

Convert cURL terminal commands into JavaScript `fetch()` or Python code.

Generate social share preview `` tags for Facebook and Twitter.

Compare two text snippets side-by-side to highlight changes.

Remove HTML tags from markup to extract clean plain text.

Translate text to Morse code dots and dashes or decode Morse to text.

Convert plain text into Hexadecimal bytes or decode Hex strings to text.

Encode special characters for HTML or decode HTML entities to text.

Convert colors between HEX, RGB, and HSL with a live preview box.

Convert Unix epoch timestamps to human-readable dates and back.

Remove all whitespace and line breaks from JSON data for compact payloads.

Convert between px, em, rem, pt, vw, and vh CSS units instantly.

Format, beautify, validate, or minify JSON data in your browser.

Convert JSON structures to YAML or YAML documents to JSON instantly.

Encode plain text into Base64 or decode Base64 strings into text.

Safely encode special characters for URLs or decode URL-encoded strings.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, or snake_case.

Real-time statistics on words, characters, sentences, and reading time.

Convert article headlines into clean, URL-safe slugs for web links.

Generate placeholder text paragraphs or sentences for design wireframes.

Write Markdown and see a live HTML preview update instantly side-by-side.

Repeat any text or string N times with custom separator characters.

Transform text into Unicode bold, italic, cursive, and strikethrough styles.

Check whether text reads the same forwards and backwards (palindrome test).

Instantly see your public IP address with geolocation, ISP, country, and city data.

Query A, MX, CNAME, TXT and NS DNS records for any domain via Cloudflare DoH.

Inspect HTTP response headers of any URL to audit security and caching settings.