100+ Professional
JSON, Text & Image
Tools in One Place.
Stop jumping between tabs. T00LZ is your all-in-one workspace for digital tasks.
From professional JSON formatting to secure image editing and developer utilities—everything happens privately in your browser.
Diff Checker: Online Tool to Compare Text & Code
Compare two text snippets or code files to find differences instantly. Highlight additions and deletions with this fast, free, and secure online diff tool.
Markdown to HTML
Convert Markdown to clean HTML code instantly. Perfect for documentation, blog posts, and README files. Fast and secure.
Case Converter
Easily convert text to UPPERCASE, lowercase, Title Case, or sentence case. A simple, fast, and free text formatting tool — no sign-up required.
Word Counter
Get instant word count, character count, and reading time for your text. Invaluable for SEO content, essays, tweets, and social media post limits.
Text Cleaner
Clean up your text by removing double spaces, empty lines, and tabs. Sanitize your content for better readability and formatting.
Lorem Ipsum Generator
Generate dummy Lorem Ipsum text for your design and development projects. Choose number of paragraphs, words, or lists.
Character Frequency
Discover which characters and words appear most often in your text. A powerful tool for linguistic and SEO analysis.
Remove Duplicate Lines
Instantly remove duplicate lines from lists or text files. Organize your data and save time with this simple utility.
Sort Lines
Sort lines of text alphabetically, numerically, or in reverse order. Perfect for organizing lists, keywords, and data sets in seconds — all in your browser.
Reverse Text
Instantly reverse your text or flip individual words. A fun and useful tool for coding, puzzles, or creative writing.
What is my IP Address
Instantly detect your public IP address, location, ISP, and timezone information. A fast, secure, and private IP lookup tool — no data is stored or shared.
Secure Password Generator: Strong Free Online Passwords
Create unhackable passwords with custom symbols, numbers, and length. Secure, 100% client-side generation ensures your keys never touch any external server.
SHA-256 Hash Generator: Online Free Secure Hashing
Generate SHA-256 cryptographic hashes for your text data instantly. 100% client-side processing — your data never leaves your browser. Fast, free, and secure for developers.
SHA-512 Hash Generator
Fast, private SHA-512 hashing. No server logs, one-tap copy, plus SHA-512 implementation code for JS, Java, PHP, & Go.
Base64 Encoder/Decoder: Online Free Converter
Encode or decode strings and files to Base64 format instantly. 100% private browser-side processing—perfect for secure token handling and data encoding.
JWT Debugger & Decoder
Debug and verify your JSON Web Tokens (JWT). Inspect headers and payloads instantly with this secure developer tool.
URL Encoder/Decoder
Encode or decode URLs to ensure they are safe for web transmission. Perfect for fixing broken links and parameters.
BCrypt Password Hasher
Generate and verify Bcrypt hashes for secure password storage. Choose your cost factor for maximum security. 100% client-side — your passwords stay private.
RSA Key Pair Generator
Generate secure RSA 2048-bit or 4096-bit public and private key pairs instantly in your browser. No server uploads — keys are created 100% client-side for maximum privacy.
AES Encryption/Decryption
Encrypt and decrypt text using AES-256 standards. Keep your sensitive information safe with client-side processing.
SSL/TLS CSR Decoder
Decode and inspect CSR or SSL certificate details including expiry, issuer, subject, and SAN fields. Free online tool — no data leaves your browser.
Htpasswd Generator
Generate .htpasswd file content for Apache and Nginx servers. Secure your directories with Bcrypt or MD5 hashing. Free, fast, and entirely browser-based.
MD5 Hash Generator
Generate MD5 hashes for your text and files instantly. A quick and reliable tool for integrity checking, checksums, and development tasks — all client-side.
HTML Entity Encoder/Decoder
Safely encode and decode HTML entities to prevent XSS and script injection. Ensure your text displays correctly in browsers. Free and fully client-side.
Secure UUID/GUID Generator
Generate version 4 UUIDs (GUIDs) individually or in bulk for your databases and APIs. Fast, reliable, and cryptographically random unique IDs for developers.
HMAC Generator
Generate HMAC using SHA-256, SHA-512, etc. Verify data integrity and authenticate API calls securely in your browser.
Random API Key Generator
Generate secure, high-entropy random API keys. Customize length and format. Fast, private, and fully client-side.
Blowfish Encryption/Decryption
Encrypt and decrypt text securely using Blowfish cipher. 100% private, browser-side encryption for sensitive notes.
JSON Formatter: Free Online Pretty Print & Beautifier
Format messy JSON into clean, readable code with 2 or 4-space indentation. 100% secure client-side JSON beautifier with syntax highlighting for developers.
JSON Editor (Tree View)
Interactive online JSON editor. Use tree-view or text-mode to explore, modify, and restructure JSON files instantly.
JSON to CSV Converter: Free Online Data Transformer
Convert JSON to CSV format instantly. Perfect for importing data into Excel, Google Sheets, and analysis workflows.
JSON to XML Converter
Convert JSON to well-formed XML instantly. Free, secure, fast conversion for web services and legacy compatibility.
JSON Validator: Online Syntax Checker & Lint Tool
Instantly validate JSON code against RFC 8259 specs. Identify syntax errors with precise line numbers and character positions. 100% private and secure.
JSON Schema Generator
Auto-generate a draft-07 JSON schema from your JSON input. Essential for API validation, documentation, and contracts.
JSON to Excel Converter
Convert complex JSON structures into clean Excel (XLSX) spreadsheets. Best tool for business reports and data export.
JSON Diff (Comparison Tool)
Find differences between two JSON objects instantly. Highlights changes, additions, and deletions for easy debugging.
JSON Minifier/Compressor
Remove all white space and line breaks from your JSON code. Perfect for production-ready API payloads and performance.
JSON to TypeScript Interface
Convert JSON objects into TypeScript interfaces and classes instantly. Accelerate your frontend development with T00lz.
JSON Path Tester
Test and extract data from JSON using JSONPath expressions. Essential tool for API testers and backend developers.
JSON to YAML Converter
Convert JSON to clean YAML format. Ideal for Docker Compose, Kubernetes manifests, CI/CD pipelines, and config files.
CSV to JSON Converter
Convert CSV to structured JSON array or object. Simple, fast, and free with auto-detection of headers and delimiters.
XML to JSON Converter
Convert legacy XML to modern JSON format accurately. Fast processing for migrating APIs, feeds, and config files.
JSON Web Token (JWT) Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload, and expiry claims. Fully secure, browser-based processing.
JSON Escape/Unescape
Properly escape or unescape JSON strings for use in code and configuration files. Fast and reliable string sanitizer.
CSV to Markdown Table
Convert CSV data into GitHub-flavored Markdown tables. Fast, secure, and preserves formatting for README files.
JSON to Markdown Table
Transform JSON arrays into formatted Markdown tables instantly. Perfect for API documentation and GitHub README files.
Excel to Jira/Confluence
Convert Excel data to Jira and Confluence table markup instantly. Ideal for project managers and documentation.
Mortgage Calculator: Free Monthly Payment Estimator
Calculate monthly mortgage payments, interest, and payoff dates. Plan your home loan with this accurate, free, and private mortgage repayment utility.
Compound Interest Calculator
Project your investment growth. Calculate compound interest with customizable contributions and compounding frequency.
BMI Calculator
Calculate your BMI quickly and accurately. Discover your weight category, healthy weight range, and health insights.
Amputee BMI Calculator
Accurately calculate BMI for amputees by adjusting for missing limbs. Free online amputee BMI calculator tool.
Loan/EMI Calculator
Calculate EMIs for personal loans, car loans, or education loans. View total interest payable and repayment timeline.
Loan Part Payment Calculator
See how advance part payments reduce EMI, tenure, and total interest. Compare multiple prepayment scenarios instantly with clear savings.
Unit Converter
Convert between all major units instantly—length, weight, temperature, volume, and more. Fast, easy, and accurate.
Currency Converter
Convert global currencies with live exchange rates. Fast and accurate for travelers, business, and online shopping.
Percentage Calculator
Calculate percentages, discounts, markup, and growth rates. Powerful tool for shopping, business, and finance math.
Scientific Calculator
Free scientific calculator for solving complex equations. Includes trigonometry, logarithms, and exponential functions.
Age Calculator
Calculate exact age or time between two dates. See age broken down into years, months, weeks, days, hours, and seconds.
Sales Tax / VAT Calculator
Calculate sales tax or VAT easily. Add or remove tax to find gross or net price. Supports custom rates and currencies.
GPA Calculator
Calculate semester or cumulative GPA easily. Supports 4.0 and 5.0 grading scales. Perfect for high school and college.
Binary/Hex/Decimal Converter
Convert numbers between binary, decimal, octal, and hex systems instantly. Essential for developers and CS students.
Calorie/TDEE Calculator
Calculate maintenance calories and TDEE based on age, weight, height, and activity level. Plan your diet precisely.
Date Difference Calculator
Calculate exact days, weeks, months, or years between two dates. Perfect for project planning and deadline tracking.
Tip Calculator
Calculate tips and split restaurant bills easily. Fast, mobile-friendly, and fully functional offline in your browser.
PNG to WebP
Fast and high-quality image conversion. Reduce file sizes and improve website speed by converting PNG to WebP format.
PNG to JPG
Fast and high-quality image conversion. Reduce file sizes and improve website speed by converting PNG to JPG format.
Image Compressor: Free Online Tool to Reduce File Size
Compress multiple images simultaneously without losing quality. Reduce file sizes for faster web performance. 100% private client-side image optimization.
Social Media Cropper
AI Smart Crop for social media. One-click presets for IG, X, TikTok & more. Export ZIP. 100% private & client-side.
EXIF Stripper
Remove GPS, camera info, and metadata from photos. Offers selective or full stripping with bulk export. 100% private.
Watermark Adder
Add text or logo watermarks to images. Features tiling, stealth EXIF metadata, and bulk ZIP export. 100% client-side.
HEIC to JPG
Convert iPhone HEIC/HEIF photos to JPG instantly. Free bulk converter with quality control. 100% browser-based.
JPG to WebP
Convert JPG images to WebP format for faster websites. Free bulk converter with adjustable quality. 100% client-side.
PNG to AVIF
Convert PNG images to next-gen AVIF format for maximum compression. Free bulk converter. All processing in your browser.
SVG to PNG
Convert SVG vectors to high-resolution PNGs with custom scaling. Ideal for designers. Free, private, browser-based.
PDF to JPG
Convert PDF documents to JPG images page by page. Free browser-based converter with customizable quality settings.
HEIC to PNG
Convert HEIC/HEIF photos to PNG with transparency support. Free bulk converter for iOS images. 100% browser-based.
JPG to PNG
Convert JPG/JPEG images to lossless PNG format. Free bulk converter with instant download. 100% browser-based.
PNG to SVG
Trace PNG raster images into scalable SVG vectors. Adjust detail threshold. Free browser-based image vectorization.
Image to Base64
Convert images to Base64-encoded strings for embedding in HTML, CSS, and JS. Fast, secure, and browser-processed.
JavaScript Beautifier: Online Format & Minify JS Code
Pretty-print or minify JavaScript code for better readability and performance. A secure, 100% client-side JS formatter with support for modern ES6+ syntax.
HTML Beautifier & Minifier
Format HTML with proper nesting, or minify by removing whitespace and comments. Free online tool for web developers.
CSS Beautifier & Minifier
Beautify CSS with custom indentation or minify stylesheets for production. Free online CSS formatter for developers.
SQL Formatter
Format SQL queries for readability. Supports Standard SQL, MySQL, PostgreSQL, and more. Free online SQL beautifier.
XML Formatter & Minifier
Beautify XML with proper indentation or minify by removing whitespace and comments. Perfect for APIs and config files.
GraphQL Beautifier
Beautify GraphQL queries and schemas with proper indentation. Free online GraphQL formatter for developers.
PHP Beautifier
Beautify and format messy PHP code with proper indentation and brace alignment. Free online PHP formatter for devs.
Python Beautifier
Fix Python indentation and format code to PEP 8 style. Free online Python formatter for developers and students.
SVG Optimizer & Minifier
Minify and optimize SVG code by removing metadata, editor junk, and unnecessary attributes. Free SVG minifier tool.
HTML Table to Tailwind
Convert legacy HTML tables into modern, responsive Tailwind CSS div structures. Modernize UI with clean components.
Why Professionals Choose T00LZ
We've built the ultimate workspace for your daily digital tasks, focusing on what matters most: speed, privacy, and simplicity.
100% Private
Your data never leaves your browser. All processing happens locally on your device, ensuring maximum security.
No Sign-up
Start using any tool instantly. No accounts, no subscriptions, and no personal information required.
Lightning Fast
Optimized for speed with zero server latency. Get your results instantly, even on slower connections.
All-in-One
Stop switching between multiple websites. Access 100+ professional tools in a single, unified workspace.
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