All Tools

42 free tools · No signup · Open source

All 42 HTML Tools 4 Developer Tools 13 Text Tools 7 Encoding 4 Cryptography 7 Generators 7
HTML Live Editor
Free online HTML editor with live preview, find & replace, beautify, minify, mobile/ta…
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HTML Minifier
Minify HTML to reduce file size and improve page load speed. Removes whitespace, comme…
JSON Formatter
Format, validate, and minify JSON instantly. Sort keys alphabetically, view error posi…
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URL Encoder / Decoder
Encode or decode URLs and query strings. Supports component encoding, full URL encodin…
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UUID Generator
Generate RFC 4122 v4 UUIDs. Bulk generate up to 1000 at once, choose uppercase, no-hyp…
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JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, expiration, issuer, and veri…
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Regex Tester
Test JavaScript regular expressions with live match highlighting, capture groups, repl…
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Timestamp Converter
Convert between Unix timestamps, ISO 8601, and human-readable dates. Supports millisec…
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Word & Character Counter
Count words, characters, sentences, paragraphs, and reading time in real-time. Top-wor…
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Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-ca…
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text. Choose paragraphs, sentences, or words. Optiona…
Text Diff Checker
Compare two text blocks and highlight differences line-by-line with insertions, deleti…
Encoding Tools (Base64, Hex, Binary, URL, ROT13)
Encode or decode text using Base64, Base64URL, Hex, Binary, URL, HTML entities, ROT13,…
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Color Picker & Converter
Pick colors visually and convert between HEX, RGB, HSL, HSV, and CMYK. Includes WCAG c…
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QR Code Generator
Generate QR codes for URLs, text, email, WiFi credentials, or phone numbers. Download …
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SQL Formatter
Format and beautify SQL queries instantly. Supports PostgreSQL, MySQL, SQLite, BigQuer…
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CSS Minifier & Beautifier
Minify CSS to shrink production bundles, or beautify minified CSS for inspection. Real…
Cron Expression Builder
Build, validate, and explain cron expressions in plain English. Preview the next 5 run…
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Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512, RIPEMD-160, SHA3-256, and SHA3-512 has…
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HMAC Generator
Generate HMAC signatures using MD5, SHA-1, SHA-256, SHA-384, or SHA-512 with a secret …
AES Encrypt / Decrypt
Encrypt text using AES-128/256 with PBKDF2 key derivation (100k iterations). Supports …
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RSA Encrypt / Decrypt
Generate RSA key pairs (1024–4096 bit) and encrypt or decrypt with public/private keys…
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Bcrypt Hash Tool
Hash passwords with bcrypt at configurable rounds (4–14). Verify existing bcrypt hashe…
Password Generator
Generate cryptographically secure random passwords using window.crypto. 8–128 characte…
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YAML Formatter & Validator
Format and validate YAML — for Kubernetes manifests, Docker Compose, GitHub Actions, A…
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XML Formatter
Pretty-print XML with proper indentation. Handles SOAP responses, RSS feeds, configura…
URL Slug Generator
Convert any text to a URL-friendly slug. Strips diacritics, lowercases, replaces space…
Word Frequency Counter
Count word frequency in any text. See the top N words ranked, with stop-word filtering…
Markdown Live Preview
Type Markdown on the left, see rendered HTML on the right. Live, instant, GitHub-Flavo…
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Unicode / UTF-8 Inspector
Inspect any character: code point, decimal, HTML entity, JS escape, UTF-8 bytes, UTF-1…
IP CIDR Calculator
Calculate network details from CIDR notation: netmask, broadcast, first/last host, tot…
.gitignore Generator
Generate a .gitignore by combining 22+ language and OS templates. Pick Node + Mac + VS…
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TOTP Generator
Generate time-based one-time passwords (TOTP) — the same 6-digit codes as Google Authe…
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Fake Data Generator
Generate realistic fake data — names, emails, addresses, phone numbers, UUIDs, dates. …
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Base32 Encoder / Decoder
Encode any text or string to Base32 (RFC 4648), or decode Base32 back to text. Used fo…
HTTP Headers Inspector
Inspect HTTP response headers from any URL. See server, content-type, caching, and aud…
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Morse Code Translator
Translate text to Morse code and Morse back to text. Supports A–Z, 0–9, common punctua…
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Random Phone Number Generator
Generate random phone numbers for 8 countries (US, UK, Canada, Australia, France, Germ…
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Random ZIP Code Generator (US)
Generate random US ZIP codes, optionally filtered to a specific state. Uses real USPS …
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Random Birthday Generator
Generate random birthdays within an age range. Multiple date formats (ISO, US, EU, lon…
Random Food / Meal Generator
Can't decide what to eat? 200+ dishes from around the world, organized by meal type. H…
Find and Replace Text
Find and replace text in any document. Supports regular expressions, case sensitivity,…
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