// Free_SEO_Tools
Free SEO Tools
No signup. No limits. No popups. Browser-side utilities that work instantly.
Tool 01
SERP Preview
See exactly how your page will look in Google search results before you publish. Measures title and description in pixels, not characters.
Tool 02
Slug Generator
Turn any title into a clean, lowercase, hyphenated URL slug. Handles Cyrillic transliteration and optional stop-word removal.
Tool 03
Keyword Density
Paste any content and instantly see word frequency ranked by count and density. Export results as Markdown for Notion or docs.
Tool 04
Social Preview
See how your page looks when shared on Facebook, Twitter, and LinkedIn. Upload an image and preview all three platforms instantly.
Tool 05
Readability Score
Paste any English text and get Flesch Reading Ease, Flesch-Kincaid Grade Level, and Gunning Fog Index calculated instantly.
Tool 06
Character Counter
Count characters, words, sentences, and paragraphs. Supports Thai and English. Shows live limits for Meta Description, Twitter, LINE, and more.
Tool 07
Case Converter
Switch text between UPPERCASE, lowercase, Title Case, and Sentence case instantly. Runs entirely in your browser, nothing uploaded.