ToolSphare Blog (Page 26)
In-depth guides for SEO, productivity, and free online tools — written to help you solve real tasks and rank long-tail keywords.
Bcrypt Hash Generator & Verifier: free online guide
Generate and verify cryptographically secure Bcrypt password hashes ($2a$, $2b$, $2y$) with configurable cost factor rounds and salt. Free on ToolSphare
WHOIS Domain Lookup: free online guide
Perform real-time WHOIS and RDAP domain queries to inspect registrar information, expiration dates, domain age, status codes, and name servers. Free on
Credit Card & Luhn Validator: free online guide
Validate credit card numbers using the ISO/IEC 7812 Luhn algorithm and identify card brands (Visa, Mastercard, Amex, Discover, JCB, Diners). Free on
Internet Speed & Ping Test: free online guide
Measure your internet connection download speed, upload speed, latency ping, and network jitter in real-time with zero installation. Free on ToolSphare
SVG Minifier & Code Cleaner: free online guide
Minify and optimize SVG vector graphics by removing redundant metadata, comments, editor artifacts, and collapsing coordinate precision. Free on today.
HTML Sanitizer & XSS Cleaner: free online guide
Sanitize unsafe HTML markup, eliminate XSS vulnerabilities, remove dangerous script tags and event handlers with real-time preview. Free on ToolSphare. No
HTML Entity Encoder & Decoder: free online guide
Encode special characters into HTML entities or decode named, decimal, and hexadecimal character entities into readable UTF-8 text. Free on ToolSphare. No
CSR Certificate Request Decoder: free online guide
Decode PKCS#10 Certificate Signing Requests (CSR) to verify Common Name, SANs, organization, key size, and signature algorithm. Free on ToolSphare. No
cURL to Code Converter: free online guide
Convert cURL command requests into executable code in JavaScript (Fetch & Axios), Python (Requests), PHP (cURL), Go, Node.js, and C#. Free on ToolSphare
Subtitle Converter & Time Shifter: free online guide
Convert video subtitle files between SRT and WebVTT formats, shift timecodes forward or backward, and inspect cues in real-time. Free on ToolSphare. No
CSV to SQL Converter: free online guide
Convert CSV or TSV data into SQL CREATE TABLE and batch INSERT statements with automatic column data type inference for MySQL, PostgreSQL, and SQLite
DMARC & SPF Record Generator: free online guide
Generate and validate DMARC and SPF DNS TXT records to protect your domain from email spoofing, phishing, and ensure delivery to Gmail and Yahoo. Free on
JavaScript KeyCode & Event Checker: free online guide
Interactive JavaScript keyboard event tester displaying event.key, event.code, keyCode, which, location, and modifier keys in real-time. Free on today.
HTML Table Generator & Styler: free online guide
Build responsive, styled HTML tables visually with customizable columns, rows, header styling, zebra striping, and instant code export. Free on today.
Binary to Text & Text to Binary Translator: free online guide
Translate text to binary 8-bit ASCII representation or convert binary code strings back into readable UTF-8 text in real time. Free on ToolSphare. No
CSS Triangle & Shape Generator: free online guide
Generate pure CSS border and clip-path triangles with custom directions, dimensions, colors, and ready-to-use CSS snippet output. Free on ToolSphare. No
Base32 Encoder & Decoder: free online guide
Encode text into RFC 4648 Base32 strings or decode Base32 data back to plaintext with support for 2FA TOTP secret key strings. Free on ToolSphare. No
Lorem Ipsum Markdown Generator: free online guide
Generate formatted dummy Markdown text with headings, lists, tables, code blocks, and blockquotes for CMS testing and technical writing. Free on today.
