Developer Lab

Use Developer Lab to encode, decode, format, parse, hash, inspect, extract, and transform text, URLs, JSON, HTML, Base64, IPs, dates, and developer data online.

Categories: Data Format, Encryption Encoding, Public Key, Arithmetic Logic, Networking, Language, Text Transforms, Utils, Date Time, Extractors, Compression, Hashing, Code Tidy, Forensics, Multimedia, Web Helpers, Security Helpers, Flow Control, Other.

Operations: To Hexdump, From Hexdump, To Hex, From Hex, To Charcode, From Charcode, To Binary, From Binary, To Octal, From Octal, To Base16, From Base16, To Base32, From Base32, To Base36, From Base36, To Base45, From Base45, To Base58, From Base58, To Base62, From Base62, To Base64, From Base64, To Base64URL, From Base64URL, To URL Encoding, From URL Encoding, To HTML Entities, From HTML Entities, JSON Pretty, JSON Minify, XML Pretty, XML Minify, CSV to JSON, JSON to CSV, Query Parser, Query Builder, To Unicode Escape, From Unicode Escape, To ASCII, From ASCII, To Decimal, From Decimal, To UTF-8 Bytes, From UTF-8 Bytes, To UTF-16, From UTF-16, To Latin1, From Latin1, To Quoted Printable, From Quoted Printable, YAML to JSON, JSON to YAML, CSV to TSV, TSV to CSV, To BSON, From BSON, To MsgPack, From MsgPack, To Punycode, From Punycode, To Morse, From Morse, To ROT13, From ROT13, To UUEncode, From UUEncode, To Brainfuck, From Brainfuck, To Gzip+Base64, From Gzip+Base64, JSON Escape, JSON Unescape, HTML Pretty, HTML Minify, INI to JSON, JSON to INI, TOML to JSON, JSON to TOML, Plist to JSON, JSON to Plist, To Windows-1256, From Windows-1256, To EBCDIC, From EBCDIC, URL Encode, URL Decode, HTML Encode, HTML Decode, Percent Encode, Percent Decode, Quoted Printable Encode, Quoted Printable Decode, ROT13, ROT47, Caesar Encode, Caesar Decode, XOR Encode, XOR Decode, Vigenere Encode, Vigenere Decode, AES Encrypt, AES Decrypt, DES Encrypt, DES Decrypt, Triple DES Encrypt, Triple DES Decrypt, RC4 Encrypt, RC4 Decrypt, Blowfish Encrypt, Blowfish Decrypt, Fernet Encrypt, Fernet Decrypt, ASCII Armor Encode, ASCII Armor Decode, JWT Sign Helper, HMAC Helper, Bcrypt Helper, PBKDF2 Helper, Argon2 Helper, JWT Decode, JWT Pretty Print, Parse PEM, Parse X.509 Certificate, CSR Inspector, RSA Encrypt, RSA Decrypt, RSA Sign, RSA Verify, Generate RSA Keypair, EC Key Inspector, JWK Pretty Print, SSH Public Key Parser, Certificate Fingerprint, PEM to JWK, Percentage, Percentage Change, Average, Median, Mode, Ratio Simplifier, Base Converter, Random Number Generator, Bitwise AND, Bitwise OR, Bitwise XOR, Bitwise NOT, Left Shift, Right Shift, Boolean Evaluate, Sum Numbers, Sequence Generator, Hex Arithmetic, Binary Arithmetic, Compare Numbers, URL Parser, Cookie Parser, Query String Parser, Query String Builder, CIDR Calculator, IPv4 to Integer, Integer to IPv4, IPv6 Expand, IPv6 Compress, Parse User-Agent, HTTP Header Parser, DNS Record Formatter, MAC Normalize, Basic Auth Encode, Basic Auth Decode, Data URI Encode, Data URI Decode, MIME Type Guess, Domain Extractor, URL Component Splitter, Uppercase, Lowercase, Title Case, Sentence Case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Reverse Text, Reverse Lines, Reverse Words, Remove Diacritics, Normalize Unicode, Arabic to Latin Approx, Latin to Arabic Approx, Pluralize Helper, Slug by Language, Case Detector, Alphabet Sort, Trim Lines, Collapse Spaces, Sort Lines, Shuffle Lines, Unique Lines, Remove Empty Lines, Remove Duplicate Lines, Slugify, Normalize Line Endings, Line Count, Word Count, Character Count, Paragraph Count, Split by Delimiter, Join by Delimiter, Regex Replace, Regex Extract, Regex Test, Find and Replace, Template Variable Extract, Clipboard-safe Escape, Lorem Ipsum Generator, UUID Generator, Nano ID Generator, Password Generator, Pad Left, Pad Right, Truncate Text, Remove Non-Printable, BOM Add/Remove, Random Choice Picker, Key Value Formatter, INI Parser, TOML Pretty, TOML Minify, Timestamp to Date, Date to Timestamp, Unix Seconds ↔ Milliseconds, ISO Normalize, Parse Date String, Date Difference, Add Days, Subtract Days, Start of Day, End of Day, UTC to Local, Local to UTC, 12h to 24h, 24h to 12h, Gregorian to Hijri, Hijri to Gregorian, Day Name from Date, Timezone Offset Formatter, Week Number, Quarter Helper, Extract URLs, Extract Emails, Extract Numbers, Extract IP Addresses, Extract Domains, Extract Hashtags, Extract Mentions, Extract UUIDs, Extract JWTs, Extract JSON Objects, Extract HTML Tags, Extract Phone Numbers, Extract Credit Card Candidates, Extract Dates, Extract Hex Values, Extract Base64 Blobs, Extract File Paths, Extract CSS Colors, Extract Hostnames, Extract Query Parameters, Gzip Compress, Gzip Decompress, Deflate Compress, Deflate Decompress, Brotli Compress, Brotli Decompress, LZ String Compress, LZ String Decompress, Zlib Compress, Zlib Decompress, Base64 + Gzip Encode, Base64 + Gzip Decode, TAR Helper, ZIP Helper, Archive Signature Helper, MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512, SHA3-256, SHA3-512, RIPEMD-160, HMAC-MD5, HMAC-SHA1, HMAC-SHA256, HMAC-SHA512, PBKDF2 Derive, Bcrypt Hash, Verify Bcrypt, CRC32, Adler-32, xxHash, BLAKE2, Pretty JSON, Minify JSON, Pretty XML, Minify XML, Pretty HTML, Minify HTML, Pretty CSS, Minify CSS, Pretty JavaScript, Minify JavaScript, Pretty SQL, Minify SQL, Pretty YAML, تصغير YAML, Escape JavaScript String, Unescape JavaScript String, Pretty Markdown, Minify SVG, Pretty SVG, Normalize Indentation, Hex Viewer, Strings Extractor, File Signature Inspector, Magic Bytes Lookup, Entropy Estimate, EXIF Inspector, PE Header Quick Parse, PDF Metadata Inspector, Office Metadata Inspector, Hash File Content, IOC Splitter, IOC Normalizer, URL Defang, URL Refang, YARA Escape, Base64 Image Extractor, Data URI to Image, Image to Data URI, SVG Pretty, SVG Minify, Color Hex to RGB, Color RGB to Hex, RGB to HSL, HSL to RGB, CSS Color Parser, Audio Data URI Helper, Image Metadata Viewer, HTML Color Name Mapper, Palette Extract from CSS, Dominant Color Helper, WebP Data URI, SVG to Data URI, Data URI to SVG, Aspect Ratio Helper, CSS Gradient Parser, HTML Entity Lookup, CSS Selector Escape, Escape Markdown, Unescape Markdown, Form-urlencoded Builder, Form-urlencoded Parser, Robots.txt Helper, Sitemap URL Extractor, Canonical Tag Extractor, Meta Tag Extractor, Open Graph Parser, CSP Parser, CSP Builder, Cookie Attribute Inspector, HTTP Status Helper, Redirect Chain Helper, Hreflang Helper, Schema Snippet Helper, IPv4 Defang, IPv4 Refang, Domain Defang, Domain Refang, Basic IOC Cleaner, YARA String Escape, Sigma Escape Helper, SQL String Escape, Shell Escape Helper, PowerShell Base64 Encode, PowerShell Base64 Decode, JWT Exp Inspector, JWT Header Inspector, Suspicious String Splitter, CSRF Token Extractor, Webhook Payload Pretty Print, Header Hardening Helper, Base64 IOC Inspect, Fork Output, Merge Output, Conditional If Contains, Conditional If Regex Match, Stop If Empty, Continue If Valid JSON, Try JSON Else Raw, Route by Content Type, Take First Match, Take Last Match, Deduplicate Output, Limit Lines, Text Repeater.

Planned locale support: en, ar, fr, de, es, tr, ur, id.

Popular use cases

Decode Base64 payloads, inspect JWTs, format JSON, and parse HTML snippets.

Transform URLs, query strings, headers, cookies, timestamps, hashes, and indicators.

Build repeatable recipes for developer workflows, debugging, and quick security analysis.

Extract values such as emails, UUIDs, IPs, numbers, metadata, and structured data blocks.

Developer Lab FAQ

Is Developer Lab free to use? Yes. It is designed as a fast browser-based toolbox for common developer and security workflows.

Does it support chained operations? Yes. You can build a recipe by stacking operations and changing their order.

What kinds of data can I work with? You can work with plain text, structured data, encoded strings, hashes, URLs, IPs, timestamps, JSON, HTML, SVG, and many common developer inputs.

Will it support more languages? Yes. The language structure is prepared for future locale routes and hreflang expansion.