Remove unwanted characters, lines, and whitespace.
Switch between uppercase, lowercase, title case, and more.
Sort, reverse, shuffle, and manipulate lines.
Search and replace text, extract emails, URLs, numbers.
Count words, characters, lines, sentences, and analyze text.
Reverse, repeat, and stylize text.
Encode and decode text — Base64, URL, HTML entities, hashes.
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JSON formatter, JWT decoder, HTML editor, CSV ↔ JSON, diff, Markdown.
Age, BMI, loan, percentage calculators and unit converters — all in your browser.
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Word, Excel, and PowerPoint conversions — DOCX, XLSX, PPTX — all in your browser.
Generate iOS / Android / Play Store icons, wallpapers, screenshots, and social-share images from one source image.
Trim, fade, normalize audio files entirely in your browser via the Web Audio API.
Convert between units of length, area, volume, weight, speed, and more — instant results in your browser.
DNS lookup, WHOIS, ping, HTTP headers, SSL checker, and IP tools.
Concrete, brick, paint, roofing, lumber, and flooring calculators for builders and contractors.
Analyze keyword frequency and density in any text. Filter stop words, set min length, show top N. For SEO and content analysis.
Analyze word frequency and density in any text. See the most common words, their count, and percentage. Free online word density tool.
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