Utility Tools Online
Browse practical online utilities for developer, web and everyday data tasks.
Browse Utility Tools
- Sitemap Generator
Professional full-site sitemap crawler for Google Search Console with live crawl progress. Keeps functional dynamic URLs such as ?id= and ?cat_id=, skips tracking parameters/noindex pages, and exports XML, GZIP, URL list, HTML, CSV, JSON or a complete ZIP package.
- Roman Numeral Converter
Convert numbers to Roman numerals or Roman numerals back to numbers. Supports single values and batches, with friendly validation instead of failing the whole job.
- HTML Beautifier
Load HTML from pasted code, upload/drag-drop, or a public page URL. Preview the fetched source, then format it with clean indentation without changing the original.
- XML ↔ JSON Converter
Convert XML ↔ JSON from pasted content or uploaded files with auto-detection, attributes, repeated elements and pretty output.
- Password Strength Checker
Check an existing password locally or generate one or many secure passwords. Choose Random, Easy-to-read, PIN, or Passphrase and set your own length and character rules.
- XML Validator
Validate XML from pasted text, upload/drag-drop, or a public XML URL. See a clear Valid/Invalid report, exact line/column errors, root element, namespaces and document metrics.
- Robots.txt Generator
Build a professional robots.txt for your domain: default crawler policy, crawl delay, sitemap, restricted directories and per-bot rules for major search and AI crawlers.
- Keyword Density Checker
Professional keyword-density analysis for pasted text, webpage URLs, YouTube metadata/captions, or country/region search results. Includes 1-, 2- and 3-word phrase density without a paid API key.
- Word Splitter
Rewrite or split pasted, uploaded, or authorized public text. URL mode extracts the main article instead of navigation clutter. Choose tone, rewrite strength and output length; no external AI API is required.
- HTML Minifier
Minify HTML from pasted code, a public URL or upload/drag-drop. Preview URL/file source first, then see the minified HTML below and download it as a new file.
- JavaScript Minifier
Minify JavaScript locally to reduce unnecessary source formatting for deployment, testing, or code handoff.
- CSV Formatter
Parse and rewrite CSV with delimiter and quoting controls for cleaner tabular data and interchange workflows.
- YAML Formatter
Parse and pretty-print YAML into a cleaner readable structure for configuration review and editing.
- CSS Grid Generator
Generate CSS Grid rules from row, column, and gap settings for faster layout prototyping and frontend work.
- Cron Expression Tool
Validate standard five-field cron expressions and inspect upcoming runs for scheduling and automation workflows.
- JavaScript Beautifier
Format JavaScript with local indentation controls so source code is easier to read, review, and edit.
- CSV Viewer
Upload CSV data and review it as a searchable table preview for inspection, cleanup, and spreadsheet workflows.
- CSS Beautifier
Pretty-print CSS into a cleaner readable layout for editing, debugging, review, and stylesheet maintenance.
- SQL Minifier
Minify SQL with selectable dialect handling for compact query text, storage, testing, and developer workflows.
- SQL Validator
Parse SQL and return validation errors by dialect to help review query syntax before further use.
- CSS Gradient Generator
Build linear, radial, or conic CSS gradients with configurable values for frontend design and prototyping.
- CSS Box Shadow Generator
Generate CSS box-shadow values from visual parameters for UI design, prototyping, and stylesheet work.
- Text Cleaner
Remove selected unwanted characters, emojis, or spacing from text for cleanup, normalization, and reuse.