SmartPlusLab
Tools
Online tools with clear inputs, predictable outputs, and honest privacy and limit notes.
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MAC Address Generator
Generate randomized MAC addresses with customizable separators, letter casing, prefixes, and batch counts.
Generators -
Markdown Preview
Convert Markdown text into a formatted HTML preview online with character count metrics.
Text Tools -
Markdown Table Generator (Simple)
Convert delimited text lines into formatted Markdown tables with custom delimiters, header settings, and alignment options.
Developer Tools -
Markdown Table Generator
Convert JSON or CSV data into clean Markdown tables. Customize headers and alignment for documentation, README files, or any text-based workflow.
Developer Tools -
Markdown to HTML
Convert Markdown syntax into clean HTML code for web pages, blogs, and documentation.
File Converters -
Matrix Calculator
Calculate matrix addition, subtraction, multiplication, transposition, and determinants online with automatic dimension checking.
Math & Numbers -
Meta Tag Generator
Generate HTML meta tags for SEO including title, description, keywords, viewport, and robots settings.
SEO & Web -
CSS Minifier
Minify CSS code by removing block comments, trimming whitespace, and stripping redundant semicolons to reduce stylesheet size.
Developer Tools -
HTML Minifier
Minify HTML markup online by stripping comments, collapsing whitespace, and deleting line breaks to reduce document size.
Developer Tools -
JavaScript Minifier
Remove comments and compact whitespace from JavaScript code to reduce file size. This text-based tool strips line and block comments, collapses whitespace, and trims punctuation spacing.
Developer Tools -
Moon Phase Calculator
Calculate the Moon's phase, illumination percentage, lunar age, and upcoming phase timing for any calendar date.
Time & Date -
Morse Code Translator
Convert plain text to Morse code or decode Morse code sequences into readable text.
Text Tools -
Mortgage Calculator
Calculate estimated monthly mortgage payments including principal, loan interest, property taxes, and insurance.
Finance -
Mute Video
Remove all audio tracks from a video file and download a silent MP4.
Video & Audio -
Name Generator
Generate random full names from Western, Eastern, and Latin cultural collections with customizable batch sizes.
Generators -
NATO Phonetic Alphabet Converter
Convert text into NATO phonetic alphabet codewords, numbers, and punctuation labels for clear voice communication.
Text Tools -
Number Base Converter
Convert whole numbers between binary, octal, decimal, hexadecimal, and custom bases from 2 to 36.
Math & Numbers -
Random Number List Generator
Generate a custom list of unique random integers within any specified range, with optional ascending sorting and instant summary calculations.
Math & Numbers -
Number Sequence Generator
Generate finite arithmetic, geometric, square, cube, Fibonacci, and triangular number sequences with custom parameters and summary statistics.
Math & Numbers -
Number to Words Converter
Convert numeric digits into clear English word representations, from zero up to large values below 10^21.
Math & Numbers -
Open Graph Preview
Generate and inspect Open Graph meta tag markup from page titles, descriptions, canonical URLs, image links, and locale settings.
SEO & Web -
Open Graph Tag Generator
Generate HTML Open Graph meta tags for social media previews. Customize title, description, image, page type, and locale for clean snippet sharing.
SEO & Web -
OTP Generator
Generate time-based TOTP or counter-based HOTP verification codes from a Base32 secret using HMAC-SHA1.
Crypto & Security -
Palindrome Checker
Check if words, phrases, or sentences are palindromes and identify the longest palindromic substring within your text.
Text Tools -
Password Strength Checker
Check password strength, calculate entropy bits, and estimate crack time based on length and character sets.
Crypto & Security -
PDF Compressor
Compress PDF files to reduce file size and optimize document content streams.
PDF Tools -
PDF Crop
Crop margins of PDF pages with custom adjustments for top, bottom, left, and right borders.
PDF Tools -
PDF Grayscale
Convert color PDF documents to grayscale with adjustable render resolution.
PDF Tools -
PDF Metadata
Inspect PDF document metadata, page count, file size, encryption status, and version details online.
PDF Tools -
PDF Page Numbers
Add customized page numbers to PDF files with adjustable positions, start numbers, and text formats.
PDF Tools