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Format, validate, and minify JSON in your browser.

Inspect JWT headers and payloads without leaving the page.

Encode and decode Base64 text with one compact utility.

Convert Unix timestamps to readable dates and back again.

Count words, characters, reading time, and paragraph totals.

Switch text between title case, sentence case, lower case, and upper case.

Remove duplicate lines from copied lists and exports.

Turn headlines into clean, lowercase URL slugs.

Write Markdown and preview a simple HTML rendering instantly.

Find the best shared working hours between remote teammates.

Convert a chosen date and hour between key business timezones.

Convert length, weight, and temperature without leaving the page.

Convert simple CSV tables to JSON and JSON arrays back to CSV.

Encode URLs and query strings or decode them back to readable text.

Encode HTML entities or decode escaped markup back to readable characters.

Test regular expressions against sample text and inspect matches.

See your browser, platform, language, viewport, and timezone details.

Generate fresh UUIDs instantly in the browser.

Generate strong passwords with configurable character sets.

Compare two text blocks line by line and spot changes quickly.

Generate a QR code from a URL or text string instantly.

Resize uploaded images in the browser for lightweight content prep.

Convert colors between HEX and RGB and preview the result instantly.

Preview a page title and meta description like a search result snippet.

Compare two JSON payloads and inspect changed keys quickly.

Escape JSON-safe strings or turn escaped text back into readable content.

Generate a basic TypeScript interface from JSON data.

Build campaign URLs with UTM parameters and preview the final link.

Generate a simple robots.txt file for common site setups.

Create linear gradients and copy the CSS instantly.

Generate a simple palette of lighter and darker shades from one base color.

Preview social sharing cards with title, description, image, and URL.

Look up common HTTP response codes and understand what they mean fast.

Parse user agent strings into browser, platform, and device details.

Build box-shadow values visually and copy clean CSS instantly.

Adjust corner radii visually and copy clean CSS for buttons, cards, and surfaces.

View JSON structure, paths, and formatted output in one clean browser tool.

Generate SHA hashes for text instantly in the browser.

Build softer, more intentional UI shadows by combining multiple layers.

Generate a simple text-based favicon and preview it at common sizes.

Pick colors, save swatches, and build a small working palette in the browser.

Generate batches of UUIDs instantly for testing, seeding, and sample data.

Turn sample JSON into a readable schema-style view for faster handoff.

Check Open Graph image dimensions and see whether they fit common sharing layouts.

Create a mesh-like layered gradient background with editable colors.

Break a URL into origin, path, hash, and query parameters instantly.

Preview and explain 5-part cron expressions without leaving the browser.

Parse raw HTTP headers into a cleaner key-value list for faster debugging.

Browse reusable box-shadow presets for cards, modals, inputs, and layered UI.

Decode a JWT exp claim and see whether the token is still active.

Format SQL into a cleaner readable shape for faster review and sharing.

Turn simple comma-separated rows into a clean HTML table instantly.

Convert an SVG snippet into a CSS background-image data URL.

Generate fluid clamp values for responsive typography and spacing.

Obfuscate email addresses into HTML entities and mailto links.

Inspect webhook JSON payloads in a cleaner key, type, and preview layout.

Extract one column from a CSV block into a clean newline list.

Generate clean CSS grid snippets for responsive card and layout systems.

Test search-and-replace regex patterns and preview the output instantly.

Count total rows, data rows, and columns from a CSV block instantly.

Build URLs with clean query parameters without editing the string by hand.

Calculate the day and week difference between two dates instantly.

Check whether a UUID is valid and normalize it for safer reuse.

Sort text lists ascending or descending and optionally remove duplicates.

Decode common named, numeric, and hex HTML entities into readable text.

Convert text into multiple naming and casing formats in one place.

Build a lightweight HTML email signature and preview it instantly.

Turn JSON into a clean YAML-style view for faster reading and handoff.

Deduplicate number lists and optionally sort them for easier reuse.

Turn simple rows into a clean Markdown table instantly.

Clean and reformat UUID lists for code, docs, and data workflows.

Check contrast ratios and WCAG pass states between two colors.

Pull header names from a CSV block into a clean list instantly.