Text and developer tools

Format JSON, convert encodings, inspect timestamps, hashes, and developer text.

AllNetwork and domain lookupSEO and GEO lookupText and developer toolsPrompts and keyword toolsFinance and tax toolsEveryday lookup toolsMath calculatorsChart buildersImage toolsFile tools

Subcategories

This category is split by real user workflows so each tool set is easier to scan.

67 tools
All Text and developer tools67 tools

Format JSON, convert encodings, inspect timestamps, hashes, and developer text.

JSON and schema8 tools

JSON formatting, diffing, path viewing, JSON5, and schema generation or validation.

Markup, config and SQL12 tools

YAML, XML, CSV, INI, TOML, MessagePack, HTML entities, Markdown, SQL, and ENV cleanup.

URL and web codecs4 tools

URL encoding, URL parsing, HTTP status codes, and QR codes.

Bases, binary and Unicode8 tools

Base64, string hex/binary, arbitrary bases, number bases, Unicode, and Punycode.

Timestamps and colors2 tools

Timestamp conversion and color format conversion.

Text analysis, diff and extraction5 tools

Word counts, frequency, text diff, regex testing, and extraction.

Text cleanup and batch editing10 tools

Dedupe, sort, case, line numbers, replace, filter, reverse, shuffle, and join.

Random and sequence generators3 tools

UUID, random number, and sequence generation.

Hashes, checksums and signatures5 tools

Text/file hashes, MD5, checksums, and HMAC signatures.

Auth, passwords and permissions6 tools

Basic Auth, JWT, TOTP, permissions, password strength, and random passwords.

Developer schedule expressions1 tools

Cron expression lookup, explanation, and next run times.

Morse and classic ciphers3 tools

Morse code, Caesar cipher, and Vigenere cipher.

Basic Auth encoder and decoder

Generate or decode HTTP Basic Authentication headers locally, with a reminder that Basic Auth is not encryption.

LookupToolChakan

Chmod permission generator

Convert Linux chmod numeric permissions and rwx symbols for server and deployment checks.

LookupToolChakan

OTP and TOTP generator

Generate a current TOTP code from a Base32 secret locally in the browser for temporary debugging.

LookupToolChakan

JWT decoder

Use this jwt decoder tool to inspect, convert, or generate a clear result directly in your browser.

LookupToolChakan

Password strength checker

Use this password strength checker tool to inspect, convert, or generate a clear result directly in your browser.

LookupToolChakan

Random password generator

Generate a secure random password or a memorable passphrase with configurable length, numbers, and symbols in your browser.

LookupToolChakan