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JSON tools, encoders, converters, generators and utilities every developer uses daily.

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JSON Formatter
Format, validate and beautify JSON with syntax highlighting.
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Base64 Encoder
Encode or decode Base64 strings. Supports Unicode and emoji.
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Case Converter
UPPER, lower, camelCase, PascalCase, snake_case, kebab-case.
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Aa
Word Counter
Count words, characters, sentences, paragraphs and reading time.
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URL Encoder
Encode or decode URLs and query parameters with breakdown.
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Timestamp Converter
Unix epoch ↔ human date. UTC, ISO 8601, local timezone.
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Password Generator
Cryptographically random strong passwords. Bulk generation.
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Lorem Ipsum
Generate placeholder text β€” words, sentences or paragraphs.
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UUID Generator
Generate UUID v4 strings. Bulk, uppercase, and no-dash formats.
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Hash Generator
MD5, SHA-1, SHA-256, SHA-512 from any text. All at once.
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Regex Tester
Live regex matching with match highlighting, flags, and quick-insert tokens.
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⇄
Diff Checker
Compare two texts or code files and see additions, deletions line by line.
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Color Picker
Pick colors and convert between HEX, RGB and HSL. Includes contrast checker.
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Number to Words
Convert any number to English words. For cheques, contracts and invoices.
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Text Repeater
Repeat any text up to 1,000 times with a custom separator.
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Random Number Generator
Cryptographically secure random numbers in any range. Dice roller included.
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JWT Decoder
Decode and inspect JWT tokens β€” header, payload, claims, and expiry status.
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Markdown Editor
Live Markdown preview with HTML output. Side-by-side editor and renderer.
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JSON ↔ CSV
Convert JSON arrays to CSV or CSV files to JSON. Bidirectional, instant.
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HTML Encoder
Encode text to HTML entities or decode entities back to plain text.
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Hex/Binary Converter
Convert between decimal, hex, binary and octal with ASCII and Unicode info.
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CSS Minifier
Minify CSS to reduce file size or format minified CSS for readability.
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Cron Expression Builder
Build cron schedules visually with plain-English descriptions and presets.
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🎨
Color Code Converter
Convert HEX, RGB, RGBA, HSL, CMYK with tints and shades.
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Number Base Converter
Binary, octal, decimal, hexadecimal β€” all bases at once.
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Password Strength Checker
Entropy score, crack time estimate, detailed improvement tips.
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Text to Slug Converter
Convert any title to a clean SEO-friendly URL slug instantly.
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