Text and developer tools
Format JSON, convert encodings, inspect timestamps, hashes, and developer text.
Subcategories
This category is split by real user workflows so each tool set is easier to scan.
Format JSON, convert encodings, inspect timestamps, hashes, and developer text.
JSON and schema16 toolsJSON formatting, diffing, patching, path viewing, JSON5, and schema generation or validation.
Markup, config and SQL26 toolsYAML, XML, CSV, INI, TOML, MessagePack, HTML entities, Markdown, SQL formatting, SQL IN, SQL VALUES, CREATE TABLE, WHERE clauses, and ENV cleanup.
URL and web codecs9 toolsURL encoding, query diffs and normalization, URL list extraction and dedupe, batch query extraction, URL parsing, HTTP status codes, and QR codes.
Bases, binary and Unicode9 toolsBase64, string hex/binary, arbitrary bases, number bases, Unicode inspection, and Punycode.
Timestamps and colors3 toolsTimestamp conversion and color format conversion.
Text analysis, diff and extraction5 toolsWord counts, frequency, text diff, regex testing, and extraction.
Text cleanup and batch editing11 toolsDedupe, sort, case, line numbers, replace, filter, reverse, shuffle, and join.
Random and sequence generators3 toolsUUID, random number, and sequence generation.
Hashes, checksums and signatures5 toolsText/file hashes, MD5, checksums, and HMAC signatures.
Auth, passwords and permissions6 toolsBasic Auth, JWT, TOTP, permissions, password strength, and random passwords.
Developer schedule expressions2 toolsCron expression lookup, explanation, and next run times.
Morse and classic ciphers3 toolsMorse code, Caesar cipher, and Vigenere cipher.
JSON and schema
JSON formatting, diffing, patching, path viewing, JSON5, and schema generation or validation.
JSON Schema generator
Infer a JSON Schema draft from example JSON so you can model payloads, configs, and interface docs faster.
LookupToolChakanJSON to TypeScript generator
Generate TypeScript interfaces and type aliases from example JSON in the browser for payload modeling, mocks, and frontend typing.
LookupToolChakanJSON to Zod schema generator
Generate Zod schema drafts from example JSON in the browser for TypeScript runtime validation, API payloads, and AI output contracts.
LookupToolChakanJSON to Golang struct generator
Generate Golang struct drafts with json tags from example JSON in the browser for backend payload modeling and API debugging.
LookupToolChakanJSON formatter
Use this json formatter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSON deep diff
Use this json deep diff tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSON diff and patch viewer
Generate and apply RFC 6902 style JSON Patch operations (add/remove/replace) to review payload changes and migration safety.
LookupToolChakanJSON5 formatter and validator
Use this json5 formatter and validator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSONPath viewer
Use this jsonpath viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSON Pointer viewer
Resolve a JSON Pointer against pasted JSON to inspect one exact field, array item, or root node with a path trace.
LookupToolChakanJSON key sorter
Sort JSON object keys in ascending or descending order, recursively when needed, then copy formatted or minified output.
LookupToolChakanJSON to Markdown table converter
Use this json to markdown table converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSON flatten and unflatten converter
Flatten nested JSON into dot-path key/value pairs or rebuild dot-path JSON back to nested objects in the browser for config migration and data cleanup.
LookupToolChakanJSON key renamer
Rename JSON keys in bulk with naming-style conversion or custom mapping rules, with nested object and array support.
LookupToolChakanJSON Schema validator
Use this json schema validator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJSON key path extractor
Extract JSON key paths with node types, depth, and path formats to speed up field inventory and mapping preparation.
LookupToolChakanMarkup, config and SQL
YAML, XML, CSV, INI, TOML, MessagePack, HTML entities, Markdown, SQL formatting, SQL IN, SQL VALUES, CREATE TABLE, WHERE clauses, and ENV cleanup.
YAML and JSON converter
Convert YAML to JSON or JSON to YAML in the browser for configs, API examples, and documentation cleanup.
LookupToolChakanXML and JSON converter
Convert XML to JSON or JSON to XML for API responses, legacy data, and configuration inspection.
LookupToolChakanCSV 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.
LookupToolChakanCSV table viewer and validator
Preview CSV as a table and validate delimiter, headers, empty rows, duplicate headers, and uneven column counts in the browser.
LookupToolChakanCSV column extractor and reorder tool
Extract selected CSV columns by name, index, or range, reorder fields, preview the cleaned table, and export a new CSV locally in the browser.
LookupToolChakanCSV column renamer and header normalizer
Rename CSV headers by column name or index, normalize field names to common cases, preview the mapping, and export a cleaned CSV locally in the browser.
LookupToolChakanCSV row filter and condition cleaner
Filter CSV rows by column name or index with equality, contains, numeric comparison, empty checks, or regex, then preview and export the matched rows locally.
LookupToolChakanCSV column type inference and schema draft tool
Profile CSV columns to infer integer, number, boolean, date, URL, email, and text types, then generate JSON Schema and SQL draft definitions locally in the browser.
LookupToolChakanJSONL 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.
LookupToolChakanINI and JSON converter
Convert INI to JSON or JSON to INI in the browser with section support, duplicate-key diagnostics, and config cleanup hints.
LookupToolChakanTOML and JSON converter
Convert TOML to JSON or JSON to TOML in the browser with table, array, and scalar summaries for config cleanup.
LookupToolChakanMessagePack and JSON converter
Encode JSON to MessagePack HEX or decode MessagePack HEX back into readable JSON.
LookupToolChakanHTML entity codec
Use this html entity codec tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanMarkdown and HTML viewer
Use this markdown and html viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanSQL formatter
Use this sql formatter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanSQL table and field inspector
Use this sql table and field inspector tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanSQL IN list builder
Use this sql in list builder tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanSQL VALUES and INSERT builder
Convert CSV, table rows, or pasted data into SQL VALUES and INSERT INTO statements, with string escaping, NULL handling, column checks, and copyable output.
LookupToolChakanSQL CREATE TABLE generator
Generate CREATE TABLE DDL from a field list for MySQL, PostgreSQL, SQLite, or generic SQL with primary keys, defaults, comments, and review warnings.
LookupToolChakanSQL WHERE condition builder
Generate SQL WHERE, SELECT, and COUNT query conditions from filter rows with IN, BETWEEN, LIKE, NULL checks, escaping, and parameter-binding warnings.
LookupToolChakan.env formatter
Format .env environment variable text and inspect normalized key/value pairs, duplicates, and suspicious lines.
LookupToolChakan.gitignore generator
Generate a .gitignore draft from common project stacks, IDE choices, operating-system files, environment patterns, and extra custom rules.
LookupToolChakantsconfig generator
Generate a tsconfig.json draft from runtime, module system, strictness, aliases, and include or exclude scopes for TypeScript project setup.
LookupToolChakanDeployment config generator
Generate deployment config drafts for Docker, PM2, Nginx, GitHub Actions, or Vercel from framework and server parameters.
LookupToolChakan.env template companion
Generate .env.example and multi-environment placeholder packs with a variable matrix that separates browser-exposed values from server-only secrets.
LookupToolChakanDeployment rollback checklist
Generate deployment rollback checklists with preflight checks, rollback triggers, step-by-step recovery actions, and post-rollback verification.
LookupToolChakanURL and web codecs
URL encoding, query diffs and normalization, URL list extraction and dedupe, batch query extraction, URL parsing, HTTP status codes, and QR codes.
URL encode and decode
Use this url encode and decode tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanURL query parameter diff
Compare two URLs or query strings to find added, removed, changed, and unchanged parameters without requesting the URL.
LookupToolChakanURL query normalizer
Normalize a URL or query string by sorting parameters, deduplicating repeated keys, and optionally dropping empty values to get a stable copyable query.
LookupToolChakanURL list extractor and deduper
Extract URLs from pasted text, logs, tables, or documents, deduplicate them, summarize domains, and warn about sensitive query parameters locally in the browser.
LookupToolChakanURL query key extractor
Extract query parameters from many URLs or logs, then summarize keys, value samples, UTM tags, duplicate keys, and sensitive parameter risks locally in the browser.
LookupToolChakanUTM parameter cleaner
Remove UTM and common ad-tracking parameters from one or many URLs, then summarize removed keys, kept keys, and share-safe cleaned links locally in the browser.
LookupToolChakanURL parser
Use this url parser tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanHTTP status code lookup
Use this http status code lookup tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanQR code generator
Use this qr code generator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanBases, binary and Unicode
Base64, string hex/binary, arbitrary bases, number bases, Unicode inspection, and Punycode.
Base64 encode and decode
Use this base64 encode and decode tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanString HEX converter
Use this string hex converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanString binary converter
Use this string binary converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanBase32 and Base58 codec
Encode text to Base32 or Base58, and decode Base32/Base58 values with a HEX byte preview.
LookupToolChakanNumber base converter
Use this number base converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanUnicode codec
Use this unicode codec tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanUnicode character inspector
Inspect each Unicode character with code point, UTF-8 bytes, UTF-16 units, character category, and hidden-character hints.
LookupToolChakanString escape and unescape converter
Escape or unescape strings for JSON, JavaScript, HTML, regex, SQL, and CSV contexts locally in the browser.
LookupToolChakanPunycode and UTF-8 viewer
Use this punycode and utf-8 viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanTimestamps and colors
Timestamp conversion and color format conversion.
Timestamp converter
Use this timestamp converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanUnix timestamp converter
Use this unix timestamp converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanColor converter
Use this color converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText analysis, diff and extraction
Word counts, frequency, text diff, regex testing, and extraction.
Text diff viewer
Use this text diff viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanWord count
Use this word count tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanWord frequency
Use this word frequency tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanRegex tester
Use this regex tester tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText extractor
Use this text extractor tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText cleanup and batch editing
Dedupe, sort, case, line numbers, replace, filter, reverse, shuffle, and join.
Text dedupe
Use this text dedupe tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText sorter
Use this text sorter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText case converter
Use this text case converter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanURL slug generator
Use this url slug generator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanFullwidth and halfwidth converter
Convert fullwidth and halfwidth characters for OCR cleanup, spreadsheet imports, deduplication, and mixed Chinese-English text normalization.
LookupToolChakanText line numbering
Use this text line numbering tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText replace
Use this text replace tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText filter
Use this text filter tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText reverse
Use this text reverse tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanText shuffle
Use this text shuffle tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanJoin lines
Use this join lines tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanRandom and sequence generators
UUID, random number, and sequence generation.
UUID generator
Use this uuid generator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanRandom number generator
Use this random number generator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanSequence generator
Use this sequence generator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanHashes, checksums and signatures
Text/file hashes, MD5, checksums, and HMAC signatures.
SHA-256 hash viewer
Use this sha-256 hash viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanMD5 hash viewer
Use this md5 hash viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanFile hash checker
Use this file hash checker tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanCRC/BCC/LRC checksum calculator
Use this crc/bcc/lrc checksum calculator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanHMAC calculator
Use this hmac calculator tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanAuth, passwords and permissions
Basic Auth, JWT, TOTP, permissions, password strength, and random passwords.
Basic Auth encoder and decoder
Generate or decode HTTP Basic Authentication headers locally, with a reminder that Basic Auth is not encryption.
LookupToolChakanChmod permission generator
Convert Linux chmod numeric permissions and rwx symbols for server and deployment checks.
LookupToolChakanOTP and TOTP generator
Generate a current TOTP code from a Base32 secret locally in the browser for temporary debugging.
LookupToolChakanJWT decoder
Use this jwt decoder tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanPassword strength checker
Use this password strength checker tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanRandom password generator
Generate a secure random password or a memorable passphrase with configurable length, numbers, and symbols in your browser.
LookupToolChakanDeveloper schedule expressions
Cron expression lookup, explanation, and next run times.
Cron expression viewer
Use this cron expression viewer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanCron human-readable explainer
Use this cron human-readable explainer tool to inspect, convert, or generate a clear result directly in your browser.
LookupToolChakanMorse and classic ciphers
Morse code, Caesar cipher, and Vigenere cipher.
Morse code translator
Translate English letters and numbers to Morse code, or decode Morse code back to text.
LookupToolChakanCaesar cipher viewer
Inspect Caesar cipher encryption and decryption with a configurable shift for classical cipher learning.
LookupToolChakanVigenere cipher viewer
Inspect Vigenere cipher encryption and decryption with a keyword for classical cipher learning.
LookupToolChakanOther tools
Tools not yet assigned to a fixed subgroup.