TL
Tool Lab
Developer Utilities
Developer Utilities
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JSON Formatter
JSON prettify and error check
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SQL Formatter
SQL query prettify (PostgreSQL, etc.)
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Java Viewer
Format Java source code and debug object text
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JWT Debugger
Verify JSON Web Token payloads
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Base64 Encoder/Decoder
Text and image to Base64 conversion
Content & Writing
Content & Writing
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Word Counter
Real-time character and word count
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Case Converter
Bulk uppercase/lowercase/title conversion
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Markdown Editor
Markdown writing and live preview
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Privacy Policy Generator
Auto-generate required site documents
Image & Design
Image & Design
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Image Optimizer
High-compression WebP conversion
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Favicon Generator
Generate ico/png sets from one image
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SVG to PNG Converter
Vector SVG to standard image conversion
Security & Web
Security & Web
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Password Generator
Generate strong secure passwords
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QR Code Generator
Instantly convert text or URLs to QR codes
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Hash Generator
Generate MD5, SHA-256 cryptographic hashes
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URL Encoder/Decoder
Encode and decode special URL characters
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HTML Entity Converter
Convert special characters to HTML entities
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UUID Generator
Universally Unique Identifier (v4) generator
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Meta Tag Analyzer
Analyze website SEO and social meta tags
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URL Shortener
Create short aliases for long URLs
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Donate
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Donate
Developer Utilities
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Content & Writing
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Image & Design
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Security & Web
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SEO Checklist
A comprehensive on-page, technical, content, and social SEO checklist.
Progress
0/24 (0%)
On-Page (0/7)
Title tag is present and 50-60 characters
Keep under 60 chars to avoid truncation in SERPs.
Meta description is present and 150-160 characters
Compelling meta descriptions improve click-through rates.
Page has exactly one H1 tag
H1 should contain the primary keyword.
Heading hierarchy is logical (H1βH2βH3)
Do not skip heading levels.
Primary keyword appears in title, H1, and body
Aim for 1-2% keyword density.
Canonical tag is set
Prevents duplicate content issues.
Robots meta tag is not blocking indexing
Check for noindex/nofollow directives.
Technical (0/7)
Site uses HTTPS
HTTPS is a ranking factor.
Site is mobile-friendly / responsive
Google uses mobile-first indexing.
Page loads in under 3 seconds
Use Google PageSpeed Insights to measure.
XML sitemap exists and is submitted
Submit to Google Search Console.
robots.txt file exists
Check /robots.txt for accessibility.
hreflang tags set for multilingual sites
Helps Google serve correct language version.
Structured data (JSON-LD) is implemented
Enables rich snippets in SERPs.
Content (0/6)
Content is 300+ words (blog posts 1000+)
Thin content rarely ranks well.
All images have descriptive alt text
Helps with image SEO and accessibility.
Page has internal links to related content
Distributes link equity across your site.
External links are authoritative and relevant
Link to reputable sources to add value.
Content is regularly updated
Fresh content signals can improve rankings.
Content is easy to read (short sentences/paragraphs)
Use subheadings, bullets, and short paragraphs.
Social / OG (0/4)
Open Graph og:title tag is set
Controls how page title appears on social media.
Open Graph og:description is set
Social media description.
Open Graph og:image is set (1200Γ630px)
Without this, social shares look poor.
Twitter Card tags are set
Use summary_large_image for best results.