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Format, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace.

Browser HTML/CSS/JS editor with live sandboxed preview, templates and export.

Transform, analyze, extract and structure text — find/replace, trim, sort, count and more.

Merge, split, compress, rotate and edit PDFs — all PDF tools in one workspace.

Compress, resize, convert and analyze images — core image tools in one workspace.

Compress, convert, trim and edit videos — all video tools in one workspace.

CSV, TSV, query strings and table tools in one workspace.

Inspect, compare and transform any file locally in your browser.

Convert, trim and extract audio — processed locally with FFmpeg.

Colors, gradients and CSS design generators in one workspace.

Passwords, hashing, JWT, HMAC and cipher tools in one workspace.

Meta tags, Open Graph previews, robots.txt and URL slugs in one workspace.

Math, dates, health and utility calculators in one workspace.

Loans, taxes, margins and pricing calculators in one workspace.

HTTP requests, networking and API utilities in one workspace.

Units, encoding, data sizes, timezones and file sharing in one workspace.

Business letters, cancellations and applications with a DIN 5008 guide.

Invoices, receipts and resumes as fill-in PDF templates.

Encode text to Base64 or decode Base64 back to plain text.

Percent-encode or decode URLs and query string components.

Convert numbers between binary, octal, decimal and hexadecimal.

Test regular expressions against text with live highlighting.

Break a URL into protocol, host, path, query and hash.

Translate a 5-field cron expression into plain language.

Generate secure random strings and IDs of any length.

Compare two semantic version strings.

Look up code point, UTF-8 bytes and name for any character.

Convert between numeric and symbolic Unix file permissions.

Convert RGB values to a hex colour.

Convert hex colours to RGB components.

Generate a random colour with hex and RGB.

Blend two hex colours by percentage.

Convert HSL values to RGB and hex.

Flatten nested JSON into dot-notation keys.

Scale dimensions to fit a max side.

Unix and ISO timestamps for now.