Base64 Encoder/Decoder
Encode and decode Base64 strings and files instantly in your browser. Private local processing for text, images, and files.
Open AppProgrammer
Essential utilities for software developers and tech professionals. Format JSON, encode Base64, generate secure passwords, and more. Built by developers, for developers.
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Base64 File Converter
Convert files to Base64 and decode Base64 back to downloadable files entirely in your browser.
Open AppBase64 String Converter
Encode plain text to Base64 and decode Base64 back to UTF-8 text instantly in your browser.
Open AppBasic Auth Generator
Generate the full Authorization: Basic header and raw Base64 token from username and password credentials. Fast, secure, and entirely in your browser.
Open AppBcrypt Hash Generator
Hash passwords with bcrypt, adjust the cost factor, and verify matches locally in your browser.
Open AppBenchmark Builder
Create JavaScript benchmark cases, tune warmup and iterations, and compare browser-run performance side by side.
Open AppBIP39 Mnemonic Generator
Generate and validate English BIP39 seed phrases locally in your browser.
Open AppChmod Calculator
Convert between numeric and symbolic chmod permissions and copy a ready command.
Open AppColor Contrast Checker
Check color contrast ratios for WCAG AA/AAA compliance with instant previews, fix suggestions, and shareable checks.
Open AppColor Converter
Convert colors between HEX, RGB, and HSL formats with live JSON output and clipboard helpers.
Open AppColor Picker
Pick colors, extract from local images, generate palettes, check contrast, and build CSS gradients. Supports HEX, RGB(A), HSL(A), HSV, and CMYK.
Open AppCrontab Generator
Build cron expressions with a visual schedule builder.
Open AppCSV JSON Converter
Convert between CSV and JSON instantly in your browser. Paste CSV with a header row to get JSON, or paste JSON to get CSV.
Open AppDevice Information
View a live snapshot of your browser, screen, language, timezone, and connection details.
Open AppDiff Checker
Compare two texts side-by-side and instantly see all differences highlighted.
Open AppDocker Run to Compose Converter
Convert a docker run command into starter docker-compose YAML in your browser.
Open AppText Encryption
Encrypt or decrypt text locally with AES-GCM and a passphrase.
Open AppGit Memo
Search and copy a curated set of common Git commands.
Open AppHash Generator
Generate MD5, SHA-1, and SHA-256 hashes instantly from text.
Open AppHash Text
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text directly in your browser.
Open AppHMAC Generator
Generate HMAC signatures from a message and secret key with SHA-1, SHA-256, SHA-384, or SHA-512.
Open AppHTML Entities Encoder/Decoder
Encode or decode HTML entities instantly, including quotes and numeric entity sequences.
Open AppHTTP Status Codes
Look up common HTTP status codes or search reason phrases instantly.
Open AppIBAN Validator and Parser
Validate an IBAN, inspect its core parts, and confirm checksum and length rules in the browser.
Open AppInteger Base Converter
Convert signed integers between decimal, hexadecimal, binary, and octal with strict validation in the browser.
Open AppJSON Diff
Compare two JSON documents in your browser, validate syntax, and get a copyable structured diff with stable paths.
Open AppJSON Formatter
Format, minify, and validate JSON with clear error messages and syntax highlighting.
Open AppJSON Minify
Minify JSON by removing whitespace safely in your browser.
Open AppJSON to TOML Converter
Convert JSON objects and arrays into TOML configuration text in your browser.
Open AppJSON to XML Converter
Convert JSON objects, arrays, and values into well-formed XML in your browser.
Open AppJSON to YAML Converter
Convert JSON objects, arrays, and values into clean YAML in your browser.
Open AppJSON Viewer
View, validate, and explore JSON as a collapsible tree.
Open AppJWT Parser
Decode JWT header and payload locally, inspect claims, and review expiration status without sending tokens to a server.
Open AppKeycode Info
Inspect JavaScript keyboard event values in real time, including key, code, keyCode, and modifier state.
Open AppLorem Ipsum Generator
Generate placeholder text for your designs and mockups. Create paragraphs, sentences, or words instantly.
Open AppMarkdown Previewer
Live Markdown editor with instant preview. Write and preview GitHub-flavored Markdown in real-time.
Open AppMarkdown to HTML
Markdown to HTML: Use this tool to process and transform your data directly in your browser.
Open AppMath Evaluator
Math Evaluator: Use this tool to process and transform your data directly in your browser.
Open AppMeta Tag Generator
Generate SEO and social meta tags quickly.
Open AppMIME Types Lookup
Find MIME types by file extension.
Open AppOTP Code Generator and Validator
Generate and validate OTP codes (HOTP/TOTP).
Open AppPassword Generator
Generate secure, random passwords with customizable options.
Open AppPassword Strength Analyser
Analyze password strength with clear feedback.
Open AppPDF Signature Checker
Check whether a PDF contains a digital signature.
Open AppRandom Port Generator
Generate random available-looking port numbers.
Open AppRegex Memo
Handy regex cheat sheet with examples.
Open AppRegex Tester
Test and debug regular expressions with real-time matching, pattern explanation, find & replace, and a built-in cheatsheet.
Open AppRSA Key Pair Generator
Generate RSA public and private key pairs.
Open AppSafelink Decoder
Decode Microsoft Safe Links to reveal the original destination URL without leaving your browser.
Open AppSlugify String
Convert text into clean, URL-friendly slugs instantly in your browser.
Open AppSQL Prettify
Format SQL queries with readable indentation, clause breaks, and keyword casing controls.
Open AppString Obfuscator
Obfuscate text with Base64, ROT13, and masking tools that run entirely in your browser.
Open AppText Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, and 12 other formats.
Open AppText Diff
Text Diff: Use this tool to process and transform your data directly in your browser.
Open AppText to Binary Converter
Convert text to binary and binary to text.
Open AppText to Unicode Converter
Convert text to Unicode escape sequences and back.
Open AppToken Generator
Token Generator: Use this tool to process and transform your data directly in your browser.
Open AppTOML to JSON Converter
Convert TOML configuration to JSON.
Open AppTOML to YAML Converter
Convert TOML configuration to YAML.
Open AppULID Generator
Generate sortable ULIDs with timestamps and secure randomness. Create single or bulk ULIDs and copy them instantly.
Open AppURL Encoder
Percent-encode text for safe URLs using encodeURIComponent or encodeURI.
Open AppURL Encoder/Decoder
Encode and decode URLs and special characters instantly with smart URL parsing.
Open AppURL Parser
Parse a URL into protocol, host, port, path, query, and fragment right in your browser.
Open AppUser Agent Parser
Parse user agent strings into readable browser, operating system, engine, and device details right in your browser.
Open AppUUID Generator
Generate RFC 4122 UUID v4 values instantly with batch output, formatting options, and one-click copy.
Open AppXML Formatter
Format and validate XML documents.
Open AppXML to JSON Converter
Convert XML data to JSON format.
Open AppYAML to JSON Converter
Convert YAML configuration to JSON.
Open AppYAML to TOML Converter
Convert YAML configuration to TOML.
Open AppYAML Viewer
View and explore YAML with syntax highlighting.
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