All Tools - Page 8
216 tools available
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SHA-512 Hash Generator & Verifier
Generate SHA-512 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-SHA512, and hex or base64 output.
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. Follows the sitemaps.org protocol — all in your browser.
SMTP Test Tool
Test any SMTP server's connection, authentication, TLS/SSL setting, and delivery. Diagnose connection refused, authentication failures, TLS errors, and relay errors before they reach production — without firing up Telnet or a test mail client.
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, count DNS lookups through nested includes, identify deprecated mechanisms, and ensure email authentication compliance with comprehensive validation reports.
Split PDF
Split a PDF into separate documents directly in your browser. Extract a page range, break the file into single pages, or cut it into fixed-size chunks — text stays selectable and nothing is uploaded.
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). Keyword case, indent size, and line breaks for readability.
SSL Certificate Checker
Check SSL certificate details, expiration dates, and security status for any domain. Verify chain trust, hostname match, issuer information, and the negotiated TLS version.
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
Encode SVG markup as a data URI for CSS, HTML or JSX. Three encodings side by side — minimal escaping, full URL encoding and Base64 — with the byte size of each measured on your own file, a live preview, and xmlns checks.
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 line by line and highlight differences. Perfect for comparing code, documents, or any text content.
Text Diff/Compare Tool
Compare two texts and highlight differences in character, word, or line mode. Shows additions, deletions, and changes with visual highlighting, statistics, and a copy option.
Time Converter
Convert between different units of time measurement including nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, months, years, decades, centuries, and more. Quick and accurate time conversions.
Timezone Comparison Tool
Compare current times across multiple cities and timezones side-by-side. Perfect for scheduling meetings, planning travel, and coordinating with global teams.
Torque Converter
Convert between different units of torque measurement including newton-meters, pound-feet, pound-inches, kilogram-force-meters, and more. Essential for mechanical engineering and automotive applications.
Unicode Encoder / Decoder
Convert text to \uXXXX (JSON-safe surrogate pairs), \u{X}, \U0001XXXX, U+XXXX, HTML entities, percent-encoding or raw UTF-8/UTF-16/UTF-32 bytes — and decode all of them back, with unrecognized tokens reported instead of dropped. Includes a per-character inspector, honest code point / UTF-16 / grapheme / byte counters, NFC-NFD-NFKC-NFKD comparison and an invisible-character detector.
URL Encoder / Decoder
Encode or decode URLs for safe transmission. Convert special characters to percent-encoded format or decode them back to readable text.
URL Parser / Inspector
Parse any URL into its components: protocol, hostname, port, pathname, query parameters (as a table), hash fragment, and origin. Inspect and debug URLs visually.
Url Slug Generator
Convert titles and text into URL-friendly slugs. Perfect for creating SEO-friendly URLs, file names, and identifiers with customizable options.
User Input Sanitizer Tester
Test user input strings against XSS, SQL injection, and other vulnerabilities. Compare sanitization methods on your input. Essential for web application security testing.