All Tools - Page 7
201 tools available
Page 7 of 9
Remove Duplicate Lines
Clean up lists by removing duplicate entries. Remove duplicate lines from text while preserving order or sorting alphabetically.
Resistance Converter
Convert between different units of electrical resistance measurement including ohms, kilohms, megohms, abohms, statohms, and more. Essential for electrical engineering and electronics applications.
RGB to HEX Converter
Convert RGB values to HEX format for CSS and design.
Robots.txt Tester
Test and validate robots.txt files for crawling permissions. Check if specific URLs are allowed or disallowed for search engine bots and web crawlers. Essential for SEO optimization.
Schema.org JSON-LD Generator
Generate ready-to-paste Schema.org JSON-LD structured data for Article, Product, LocalBusiness, FAQ, BreadcrumbList, Organization, Person, Event, Recipe, and HowTo. Improves SEO and unlocks rich results — all in your browser.
Scrypt Hash Generator & Verifier
Generate secure scrypt hashes and verify passwords against existing hashes. Scrypt is a memory-hard password hashing function designed to resist hardware-based attacks with configurable CPU/memory cost parameters.
SHA-1 Hash Generator & Verifier
Generate SHA-1 hashes from text input and verify text against existing SHA-1 hashes. SHA-1 produces a 160-bit hash value but is deprecated due to security vulnerabilities - use SHA-256 or SHA-3 for new applications.
SHA-256 Hash Generator & Verifier
Generate SHA-256 hashes from text input and verify text against existing SHA-256 hashes. SHA-256 is a secure cryptographic hash function producing 256-bit values, widely used in blockchain, digital signatures, and file integrity verification.
SHA-512 Hash Generator & Verifier
Generate SHA-512 hashes from text input and verify text against existing SHA-512 hashes. SHA-512 is the most secure hash function in the SHA-2 family, producing 512-bit values ideal for high-security applications and long-term data integrity.
SHA‑3 / Keccak Hash Generator
Generate and verify SHA-3 and Keccak hashes with support for all variants including SHAKE128/256 extendable output functions. Features the latest NIST-approved SHA-3 standard and original Keccak algorithms used in Ethereum blockchain. Next-generation cryptographic security.
Sitemap.xml Generator
Build a valid XML sitemap from a URL list. Set per-URL priority, change frequency, and last-modified date. Supports sitemap-index for >50 000 URLs. Validates against the sitemaps.org spec — all in your browser.
SMTP Test Tool
Test any SMTP server's connection, authentication, TLS/SSL configuration, and delivery. Diagnose connection refused, authentication failures, certificate problems, and relay errors before they reach production — without firing up Telnet or a test mail client.
Sound Level Converter
Convert between different sound level units including decibels, bels, nepers, and various decibel scales
Speed Converter
Convert between different units of speed and velocity measurement including meters per second, kilometers per hour, miles per hour, knots, Mach, and more. Perfect for physics, engineering, and transportation calculations.
SPF Checker & Validator
Validate and analyze SPF (Sender Policy Framework) records for any domain. Check SPF syntax, detect configuration issues, visualize DNS lookup chains, identify deprecated mechanisms, and ensure email authentication compliance with comprehensive validation reports.
SQL Formatter
Format and beautify SQL queries with dialect-aware formatting (standard SQL, PostgreSQL, MySQL, MariaDB, SQLite, BigQuery, Snowflake, T-SQL/SQL Server, Redshift, DB2). Indentation, keyword case, and line breaks for readability.
SSL Certificate Checker
Check SSL certificate details, expiration dates, and security status for any domain. Verify certificate chains, issuer information, and protocol support for comprehensive security analysis.
SVG Optimizer
Optimize and compress SVG files by removing unnecessary code and whitespace. Reduce file size while maintaining visual quality with configurable optimization options.
SVG to Data URI
Convert SVG files to Data URI format for embedding in CSS, HTML, or JavaScript. Choose between URL-encoded (smaller) or Base64-encoded formats with one-click copy functionality.
SVG to JPG Converter
Convert vector SVG images to JPG format. Upload your SVG files and download them as high-quality JPG images with customizable quality, dimensions, and DPI settings.
SVG to PNG Converter
Convert vector SVG images to PNG format with transparency support. Upload your SVG files and download them as high-quality PNG images with customizable compression and dimensions.
Temperature Converter
Convert between different temperature units including Celsius, Fahrenheit, Kelvin, Rankine, and more. Quick and accurate temperature conversions.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and more text formats instantly.
Text Diff Tool
Compare two blocks of text side by side and highlight differences. Perfect for comparing code, documents, or any text content.