All Tools - Page 6
216 tools available
Page 6 of 9
Luminosity Converter
Convert between different luminosity and illuminance units including candela, lumen, lux, foot-candle, and nit. Accurate conversions for lighting calculations.
Magnetic Flux Density Converter
Convert between different units of magnetic flux density measurement including tesla, gauss, weber per square meter, gamma, and more. Essential for physics, engineering, and magnetic field applications.
Markdown to HTML & HTML to Markdown Converter
Convert Markdown to HTML and HTML to Markdown. Transform between formats for web publishing, documentation, and content editing. Bidirectional conversion tool.
Markdown Viewer & Preview
Preview and render Markdown content in real-time. View formatted output, export to HTML, and test your Markdown syntax with live updates.
MD5 Hash Generator & Verifier
Generate MD5 hashes from text or files and verify them against an expected checksum. Streams large files in your browser, supports UTF-8/UTF-16/Latin-1/Windows-1252 and hex/base64 input, HMAC-MD5, and hex or base64 output. MD5 is collision-broken: use it for checksums and legacy compatibility only.
Merge PDF
Combine several PDF files into one document directly in your browser. Reorder files before merging, keep text sharp and selectable, and download the result — nothing is ever uploaded.
Mermaid Diagram Live Editor
Write and preview Mermaid diagrams (flowchart, sequence, gantt, class, state, ER, pie, journey, mindmap, timeline) live as you type. Pick a theme, export as SVG or PNG, copy as Markdown — all in your browser.
Meta Tag Generator
Generate essential HTML meta tags for your webpage including title, description, Open Graph, Twitter Cards, and SEO meta tags. Perfect for improving social media sharing and search engine optimization.
Mock Data Generator
Generate realistic mock data with 106+ data types across 22 categories. Create fake test data for finance, healthcare, e-commerce, education, gaming, and more. Export to JSON, CSV, SQL, XML, Firebase, InfluxDB with format-specific options. Free online mock data generator tool.
Monochromatic Palette Generator
Create beautiful monochromatic color palettes with various lightness levels from a single color
Morse Code Translator
Translate text to Morse code and vice versa with audio playback, visual representation, and adjustable speed. Perfect for learning Morse code or encoding messages.
MX Lookup Tool
Look up MX (Mail Exchange) records for any domain. See mail server hostnames sorted by priority, resolved IP addresses, whether each hostname resolves, and detected email provider — for diagnosing email delivery and verifying inbound mail routing.
Named Color to Hex/RGB Lookup
Search and convert CSS named colors to HEX, RGB, and HSL values. Browse all 148 standard CSS color names with visual previews and instant conversion.
NS Lookup Tool
Query nameserver (NS) records for any domain. Discover authoritative DNS servers, verify DNS delegation, and troubleshoot DNS configuration issues with detailed NS record lookups.
Number System Converter
Free online number system converter. Convert between binary, decimal, hexadecimal, and octal in any direction with instant results. Built for programmers, students, and engineers.
OG Image Generator (1200×630 social card)
Design Open Graph and Twitter Card images at the canonical 1200×630 size. Title, subtitle, brand colors, six layouts, solid, gradient or image background, optional logo. Live preview, PNG download — pairs with the OpenGraph Preview tool.
OpenGraph & Social Card Preview
Paste a URL and see how it renders on Twitter, LinkedIn, Facebook, Slack, and Discord. Audits OpenGraph + Twitter Card meta tags, flags missing fields, and lists the raw meta tags found.
Palindrome & Anagram Checker
Check if text is a palindrome (reads the same forwards and backwards) or compare two texts to see if they're anagrams (contain the same letters). Includes options for ignoring case, spaces, punctuation, and numbers.
Password Strength Checker
Analyze password strength in real-time based on length, guessable patterns, an entropy estimate, and common vulnerabilities. Get detailed feedback to improve password security.
PBKDF2 Hash Generator & Verifier
Derive PBKDF2 keys with an explicit salt encoding (hex, base64 or UTF-8 text) and verify passwords against real stored hashes — Django, passlib/PHC, Werkzeug, hash:salt or a bare digest. Output as hex, base64, a Django string or a PHC string, with a live benchmark and the OWASP iteration floors enforced in the UI. Everything runs in your browser.
PDF to JPG Converter
Convert every page of a PDF into JPG images directly in your browser. Choose the render resolution, pick a page range, and download the pages individually or as a ZIP — your file never leaves your device.
PDF to PNG Converter
Convert PDF pages into lossless PNG images directly in your browser. Choose the render resolution, keep a transparent background, and download pages individually or as a ZIP — nothing is uploaded.
PNG Compressor
Compress PNG images to reduce file size with automatic, content-aware optimization. Optimize your PNG files for faster web loading while keeping transparency intact and quality changes imperceptible for typical graphics and screenshots.
PNG to AVIF Converter
Convert PNG images to AVIF format with superior compression and quality. Upload your PNG files and download them as AVIF images with up to 50% better compression while preserving transparency.