Tool catalog
Online Tool Catalog
salamyx.com tools for in-browser cryptography and developer workflows, with clear privacy and limitation notes.
SEO Meta And Indexing Tools
Priority set for high-demand SEO tails: metadata, indexing, hreflang, canonicals, and sitemap workflows.
Meta Tags Generator (Title, Description, OG, Twitter, Robots)
Generate complete meta tags for SEO and social sharing: title, description, canonical, Open Graph, Twitter card, and robots directives.
XML Sitemap Generator
Generate a valid XML sitemap urlset from canonical HTTPS URLs with optional lastmod, changefreq, and priority fields for technical SEO workflows.
Canonical URL Tag Generator
Generate rel=canonical tags from URLs and clean tracking parameters to improve duplicate URL handling for SEO.
Meta Robots Tag Generator (noindex, nofollow, max-snippet)
Build meta robots tags with index, noindex, follow, nofollow, max-snippet, and image preview directives for page-level SEO control.
Open Graph Meta Tags Generator
Generate Open Graph meta tags (og:title, og:description, og:url, og:image) for better social preview snippets.
Twitter Card Meta Tags Generator
Generate Twitter card tags for summary and summary_large_image snippets with title, description, and image URL.
Robots.txt Generator And Checker
Generate and review robots.txt rules with User-agent, Allow/Disallow, Host, and Sitemap lines for technical SEO setup.
Hreflang Tag Generator (x-default + Language Codes)
Generate hreflang tags for multilingual SEO with x-default, language-region pairs, and basic duplicate code validation.
Converters
Online Converters
A curated hub for in-browser converters. New converters are added only when they meet the quality and privacy bar.
Color Converter
Convert colors between HEX, RGB, and HSL in your browser with a live preview.
Number Base Converter
Convert integers between binary, decimal, hexadecimal, and octal in your browser.
Unit Converter
Convert temperature and length units in your browser with instant results and common engineering scales.
JSON And CSV Converter
Convert JSON arrays to CSV and parse CSV back to JSON locally in your browser.
Crypto Tools
SHA-256 Hash Generator
Generate a SHA-256 hash in your browser. Input stays on your device and is processed with the Web Crypto API.
MD5 Hash Generator With Security Warning
Generate MD5 hashes for legacy checksums and learn why MD5 should not be used for security-sensitive work.
Base64 Encode and Decode
Encode and decode Base64 text in your browser, with clear notes about what Base64 is and is not.
Secure Random Password Generator
Generate strong random passwords in your browser using cryptographically secure random values.
Secure Random Hex Generator (OpenSSL rand -hex 32 Alternative)
Generate cryptographically secure random hexadecimal strings in your browser. Fast alternative to `openssl rand -hex 32` for 32-byte (64-character) values.
File Hash Generator
Generate SHA-256 hashes for local files in your browser without uploading file contents.
Developer Tools
UUID / GUID Generator
Generate RFC 4122 version 4 UUIDs in your browser with copy-ready output and clear usage notes.
JSON Formatter And Validator
JSON formatter, validator, beautifier, and minifier for API payloads and config files. Parse and format JSON locally in your browser with clear syntax errors.
URL Encoder And Decoder
Encode and decode URL components in your browser, with clear notes about percent encoding and privacy risks in URLs.
HTML Escape And Unescape
Escape and unescape HTML entities in your browser for safer display of text in markup contexts.
Unix Timestamp Converter
Convert Unix timestamps to readable UTC/local dates and convert dates back to timestamps in your browser.
JSON Schema Validator
Validate JSON data against a JSON Schema-like object in your browser with clear limitations.
JWT Decoder
Decode JWT header and payload locally in your browser with explicit warnings about token secrecy and signature verification.
Regex Tester
Test JavaScript regular expressions in your browser with match output and ReDoS warnings.
MIME Sniffer And File Signature Viewer
Inspect file MIME hints and signature bytes in your browser without uploading the file.
SRI Hash Calculator
Generate Subresource Integrity strings for script and style assets using SHA-256, SHA-384, or SHA-512.
CSV Editor And Validator
Validate CSV rows and columns in your browser, preview parsed output, and spot inconsistent records.
UTM Builder And Parser
Build clean UTM links and parse existing UTM URLs in your browser for analytics workflows.
QR Code Generator
Create QR codes from text or URLs in your browser, download PNG output, and read clear warnings about scanning unknown codes.
IPv4 CIDR And Subnet Calculator
Compute network, broadcast, mask, and host ranges for IPv4 CIDR notation in your browser.
SERP Snippet Preview Tool (SEO Title And Meta Description Checker)
Use a SERP snippet preview tool to check SEO title and meta description length, trim text by word boundary, and draft descriptions from bullet points.
Robots.txt Generator And Checker
Generate and review robots.txt rules with User-agent, Allow/Disallow, Host, and Sitemap lines for technical SEO setup.
Hreflang Tag Generator (x-default + Language Codes)
Generate hreflang tags for multilingual SEO with x-default, language-region pairs, and basic duplicate code validation.
Canonical URL Tag Generator
Generate rel=canonical tags from URLs and clean tracking parameters to improve duplicate URL handling for SEO.
Meta Robots Tag Generator (noindex, nofollow, max-snippet)
Build meta robots tags with index, noindex, follow, nofollow, max-snippet, and image preview directives for page-level SEO control.
FAQ Schema Markup Generator (FAQPage JSON-LD)
Generate FAQ schema markup in JSON-LD format from question and answer pairs for structured data SEO.
Open Graph Meta Tags Generator
Generate Open Graph meta tags (og:title, og:description, og:url, og:image) for better social preview snippets.
Twitter Card Meta Tags Generator
Generate Twitter card tags for summary and summary_large_image snippets with title, description, and image URL.
Sitemap Index XML Generator
Generate a valid sitemap index XML file from multiple sitemap URLs with optional lastmod values for technical SEO and large-site indexing workflows.
Meta Tags Generator (Title, Description, OG, Twitter, Robots)
Generate complete meta tags for SEO and social sharing: title, description, canonical, Open Graph, Twitter card, and robots directives.
XML Sitemap Generator
Generate a valid XML sitemap urlset from canonical HTTPS URLs with optional lastmod, changefreq, and priority fields for technical SEO workflows.
Title Tag Generator (SEO Page Title Builder)
Generate SEO title tags with length checks, separator patterns, and intent-first wording for landing pages and articles.
Meta Description Generator (SEO Description Builder)
Generate meta descriptions from key points, check length bands, and draft intent-focused snippets for better SERP messaging.
Article Schema Generator (JSON-LD)
Generate Article and BlogPosting schema JSON-LD with headline, author, dates, image, and canonical URL fields.
Product Schema Generator (JSON-LD)
Generate Product schema JSON-LD with name, brand, price, currency, availability, rating, and review fields.
Meta Robots vs Robots.txt Checker
Compare page-level meta robots and path-level robots.txt directives to spot conflicting crawl and index signals.
Redirect Chain Checker (301/302 Sequence)
Check redirect hop chains from URL lists and detect long sequences, loops, and canonicalization inefficiencies.
Image Sitemap Generator (XML)
Generate image sitemap XML entries with page URL and image loc/caption/title fields for media SEO workflows.
Breadcrumb Schema Generator (JSON-LD)
Generate BreadcrumbList JSON-LD from position, name, and URL rows for clean site hierarchy markup.
Social Meta Tags Tester (OG + Twitter)
Validate Open Graph and Twitter meta tag blocks for missing required fields and conflicting values before publish.
Noindex Checklist Generator
Generate a practical noindex deployment checklist for staging, faceted pages, and low-value URLs with crawl-safe sequencing.
301 Redirect Rules Checker
Check 301 redirect mappings, detect duplicate sources and self-redirects, and generate normalized redirect rule lines.
Developer guides
Tools API v1
JSON API for the tool catalog, page metadata, and integration workflows around salamyx.com.
Embedding Salamyx Tools
Official iframe embed URLs for selected browser tools, postMessage height hints, and framing rules that keep the rest of the site clickjacking-safe.
Per-Tool Embed Guides
Index of embedding guides for salamyx.com browser tools: UUID generator, JSON formatter, and word counter, each with live iframe previews and theme options.
Embed the UUID / GUID Generator on Your Site
Integration patterns, live iframe previews in multiple color themes, compact layout, and official embed URLs for the salamyx.com UUID v4 generator.
Embed the JSON Formatter on Your Site
Iframe integration, theme previews, compact mode, and linking strategies for the salamyx.com JSON formatter and validator.
Embed the Word Counter on Your Site
Patterns for CMS sidebars, lesson pages, and blogs, plus themed iframe previews for the salamyx.com word counter.
HTTP Status Codes Reference
Searchable list of common HTTP response status codes with short explanations and anchor links for debugging APIs and front-end networking.
Crypto Guides
Text Tools
Case Converter
Convert text between uppercase, lowercase, title case, sentence case, kebab-case, snake_case, and camelCase in your browser.
Word Counter
Count words, characters, lines, sentences, and estimated reading time locally in your browser.
Text Diff Tool
Compare two text blocks in your browser and view line-level differences.
Slug Generator And Line Tools
Generate URL slugs, deduplicate lines, and sort lines in your browser for content and SEO workflows.
Lorem Ipsum Generator
Generate placeholder Latin paragraphs and sentences in your browser for layouts, CMS tests, and design reviews.
Calculators
Guides
Guides
Short explainers when a question spans more than one tool category.
Hashes, encoding, and secrets: how to pick a tool
Explains when to use cryptographic hashes versus encodings, how Base64 and UUIDs differ from encryption, and how in-browser tools relate to paid APIs.
Browser privacy, Tools API, and commercial APIs: how the pieces differ
Clarifies what “runs locally” means on static tool pages, what Tools API v1 is for, and when paid product APIs replace free utilities.
Random passwords, hex, and UUIDs: pick the right generator
Maps human passwords, random hex strings for tests and scripts, and UUID identifiers to the correct salamyx.com tools and common misuse patterns.
URL, HTML, JSON, and CSV: which encoder or converter to use
Separates URL encoding, HTML escaping, JSON formatting/validation, and JSON↔CSV interchange so you reach the right developer or converter page.
Unix time, calendar dates, VAT, and units: which calculator to open
Routes Unix-timestamp conversions, planning spans with working days, money-style VAT scenarios, and physical unit conversions to the matching pages.
Text cleanup workflows: word count, diff, case, then slugs
Suggests an efficient order for word metrics, comparisons, case normalization, and slug or line utilities when preparing content for publishing.
File hash versus text hash: which SHA-256 page to use
Explains when to hash pasted strings versus local files on salamyx.com and points to the hash comparison guide in Crypto for algorithm choices.