Fast online tools for code, text, SEO, design, and daily calculations.
TULAKITO collects everyday helper tools in one clean workspace: format data, clean text, generate SEO tags, check colors, and run quick calculators without creating an account.
Choose a category or search the full toolbox.
Developer
JSON Beautifier
Format, minify, and validate JSON with readable errors.
Base64 Encoder
Encode text to Base64 or decode Base64 safely in your browser.
URL Encoder
Encode and decode URL strings without sending data anywhere.
Regex Tester
Test regular expressions against sample text with live matches.
JWT Decoder
Decode JWT headers and payloads locally without verifying secrets.
UUID Generator
Generate browser-native UUID v4 identifiers instantly.
Hash Generator
Generate SHA hashes from text using the browser Web Crypto API.
Timestamp Converter
Convert Unix timestamps and ISO dates into readable time formats.
JSON to CSV
Convert arrays of JSON objects into CSV text for spreadsheets.
CSV to JSON
Convert simple CSV data into structured JSON arrays.
HTML Entity Encoder
Encode or decode HTML entities for safe markup snippets.
Text Diff Checker
Compare two text blocks line by line and spot changes.
SQL Formatter
Format common SQL keywords onto readable query lines.
XML Formatter
Pretty print compact XML markup with indentation.
Writer
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Case Converter
Convert writing into lowercase, title case, camelCase, and more.
Markdown Preview
Preview Markdown locally with a focused editor and output pane.
Slug Generator
Turn titles and phrases into clean URL-friendly slugs.
Find and Replace
Replace words, phrases, or patterns in text quickly.
Duplicate Line Remover
Remove repeated lines while preserving the first occurrence.
Whitespace Cleaner
Trim messy spacing, line breaks, tabs, and repeated whitespace.
Lorem Ipsum Generator
Generate placeholder paragraphs for drafts, mockups, and layouts.
Readability Estimator
Estimate reading ease from words, sentences, and syllables.
Sentence Counter
Count sentences, words, and average sentence length.
Text Reverser
Reverse characters, words, or line order in text.
Line Sorter
Sort lines alphabetically, reverse order, or remove blanks.
SEO
Meta Tag Generator
Generate essential title, description, canonical, and robots meta tags.
Open Graph Generator
Build Open Graph and Twitter card tags for better link previews.
UTM Builder
Create campaign tracking URLs with common UTM parameters.
Robots.txt Generator
Generate a simple robots.txt file with sitemap support.
Schema Markup Generator
Create basic JSON-LD schema markup for websites and articles.
SERP Snippet Preview
Preview how a title, URL, and description may look in search results.
Keyword Density Checker
Find repeated words and estimate keyword density in page copy.
Heading Structure Checker
Extract H1-H6 headings from HTML and review page structure.
Hreflang Generator
Generate hreflang link tags for multilingual pages.
Designer
Color Converter
Convert HEX colors into RGB and HSL values.
Contrast Checker
Check WCAG contrast ratios for foreground and background colors.
CSS Gradient Generator
Create linear gradients and copy CSS background code.
PX to REM Converter
Convert pixel values to rem units using a configurable base size.
Color Palette Generator
Generate a simple tint and shade palette from one color.
Box Shadow Generator
Tune CSS box-shadow values and copy the result.
Border Radius Generator
Preview and copy CSS border-radius values.
Aspect Ratio Calculator
Calculate proportional width, height, and CSS aspect-ratio values.
Productivity
Password Generator
Generate strong random passwords with adjustable character options.
Percentage Calculator
Calculate percentages, increases, decreases, and portions.
Unit Converter
Convert common length and weight units instantly.
Date Difference Calculator
Calculate days between two calendar dates.
Age Calculator
Calculate age from a birth date in years, months, and days.
Random Number Generator
Generate random numbers within a custom range.
Tip Calculator
Split bills and calculate tips for groups.