Free · Private · In your browser

Small tools, made properly.

Six focused utilities for developers, designers, SEO specialists, and content creators. No sign-ups, no tracking, no server-side processing — every tool runs directly in your browser.

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No sign-up
No uploads
No tracking

The toolkit

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Design · Accessibility

APCA Color Contrast Checker

Check APCA (Lc) contrast, compare WCAG 2.x reference ratios, preview text sizes, and export design tokens.

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AI · Budgeting

LLM Token Cost Calculator

Estimate input and output token costs across OpenAI, Anthropic, Google, and DeepSeek models.

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Video · Social

Video Safe Zone Checker

Preview TikTok, Instagram Reels, and YouTube Shorts safe zones on your own video frame.

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SEO · Structured data

Schema.org JSON-LD Generator

Generate valid JSON-LD for articles, products, local businesses, FAQs, events, and breadcrumbs.

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Content · Placeholders

Lorem Ipsum Generator

Generate placeholder text in eight languages — English, Hindi, Urdu, Arabic, Chinese, Japanese, Korean, Russian.

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Text · Formatting

Text Case Converter

Convert between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case.

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Why WebUtils

Built to get out of your way

Instant results

Every tool runs directly in your browser. Nothing to install, configure, or wait for.

Privacy-first

Your text, colors, and images are processed locally. Nothing is sent to a server.

No account required

Open a tool and start working. No sign-up, no paywall, no usage gates.

Built for professionals

Token exports, JSON-LD downloads, safe-zone previews, and multi-language placeholders.

Start using WebUtils today.

Pick a tool, get your result instantly. No setup required.

Browse all six tools