Text and developer tools

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

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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.

YAML and JSON converter

Convert YAML to JSON or JSON to YAML in the browser for configs, API examples, and documentation cleanup.

LookupToolChakan

XML and JSON converter

Convert XML to JSON or JSON to XML for API responses, legacy data, and configuration inspection.

LookupToolChakan

CSV and JSON converter

Convert CSV to JSON or JSON to CSV in the browser with delimiter detection, header handling, and preview rows for imports and docs.

LookupToolChakan

CSV table viewer and validator

Preview CSV as a table and validate delimiter, headers, empty rows, duplicate headers, and uneven column counts in the browser.

LookupToolChakan

JSONL and JSON converter

Convert JSON Lines to a JSON array or JSON arrays to JSONL in the browser, with per-line validation for logs, datasets, and batch APIs.

LookupToolChakan

INI and JSON converter

Convert INI to JSON or JSON to INI in the browser with section support, duplicate-key diagnostics, and config cleanup hints.

LookupToolChakan

TOML and JSON converter

Convert TOML to JSON or JSON to TOML in the browser with table, array, and scalar summaries for config cleanup.

LookupToolChakan

MessagePack and JSON converter

Encode JSON to MessagePack HEX or decode MessagePack HEX back into readable JSON.

LookupToolChakan

HTML entity codec

Use this html entity codec tool to inspect, convert, or generate a clear result directly in your browser.

LookupToolChakan

Markdown and HTML viewer

Use this markdown and html viewer tool to inspect, convert, or generate a clear result directly in your browser.

LookupToolChakan

SQL formatter

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

LookupToolChakan

.env formatter

Format .env environment variable text and inspect normalized key/value pairs, duplicates, and suspicious lines.

LookupToolChakan