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JSON ツール 15
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JSON 圧縮Strip whitespace to compress JSON payloads.JSON 検証Check JSON syntax and pinpoint the exact error position.JSON 文字列エスケープEscape a string for embedding inside a JSON document.JSON 文字列アンエスケープUnescape a JSON-encoded string value.JSON to CSV 変換Flatten JSON arrays of objects into CSV.JSON to XML 変換Transform JSON structures into XML documents.JSON to YAML 変換Convert JSON into clean, readable YAML.JSON パスクエリExtract values from JSON with dot/bracket path expressions.JSON 差分Compare two JSON documents deep-equal and list every added, removed and changed path.JSONFlattenCollapse a nested JSON object into dotted keys with array indices.JSONUnflattenExpand dotted-key JSON back into nested objects and arrays.JSON Schema 生成Infer a JSON Schema 2020-12 document from a sample, detecting dates, emails, URIs and UUIDs.ExtractAudioMetadataExtract common audio metadata across MP3 (ID3v2/ID3v1/GEOB), WAV/BWF/BW64 (INFO/bext/iXML/axml), FLAC (Vorbis Comment/Picture), OGG (Vorbis/OpusTags), AAC (ADTS), AC3 (Dolby Digital), WMA (ASF), plus best-effort MP4/M4A and AIFF scanning. OParseTLVConverts a Type-Length-Value (TLV) encoded string into a JSON object. Can optionally include a Key / Type entry. Tags: Key-Length-Value, KLV, Length-Value, LV
データ変換ツール 27
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YAML to JSON 変換Parse YAML configuration into JSON.HTML to Markdown 変換Convert HTML fragments into Markdown.JSON to TOML 変換Convert JSON config into TOML format.Markdown to HTML 変換Render Markdown to clean HTML.Delimiter 変換Switch CSV between comma, tab, semicolon and pipe.JSONtoJSON 行Turn a JSON array into newline-delimited NDJSON, one standalone object per line.JSON 行 toJSONMerge newline-delimited JSON records back into one array and report any malformed line by number.JSONtoTypeScriptGenerate TypeScript interfaces from a JSON sample, including nested objects and arrays.JSONtoGoStructGenerate a Go struct with json tags from a JSON sample.JSONtoPythonDataclassGenerate a typed Python dataclass from a JSON sample.JSONtoSQLCREATETABLEInfer column types from JSON and emit a CREATE TABLE statement.CSVtoMarkdown テーブルConvert CSV into a GitHub-flavoured Markdown table, handling quoted fields and pipes.Markdown テーブル toCSVTurn a Markdown table back into clean CSV with proper quoting.CSVPrettyPrinterAlign CSV columns into a readable fixed-width table for terminals and docs.CSVtoHTML テーブルGenerate an accessible HTML table from CSV with escaped cells.CSVtoSQLINSERTProduce INSERT statements from CSV or JSON, with NULLs and quoted literals handled.CSVtoCREATETABLEInfer column types from CSV data and emit a CREATE TABLE for PostgreSQL, MySQL or SQLite.INItoJSONParse INI sections and key/value pairs into a structured JSON object.JSONtoINISerialise a JSON object into an INI file with sections for nested objects..envtoJSONParse dotenv files — comments, export prefixes, quoting and inline hashes — into JSON.JSONto.envFlatten JSON into UPPER_SNAKE dotenv variables with correct quoting.JavaPropertiestoJSONConvert .properties files into JSON, splitting dotted keys into nested objects.JSONtoJavaPropertiesFlatten JSON into dotted Java .properties keys.JSONtoJavaRecordGenerate a Java record with boxed types and snake_case field names from a JSON sample.JSONtoRustStructGenerate a serde-derived Rust struct with rename attributes from a JSON sample.JSONtoKotlin データ ClassGenerate a Kotlin data class with nullable-aware types from a JSON sample.
XML ツール 4
HTML ツール 5
HTML 圧縮Shrink HTML by removing comments and redundant whitespace.HTML Live プレビューRender HTML instantly in a sandboxed preview frame.HTML Tag 除去Remove all markup and keep clean text.RenderMarkdownRenders input Markdown as HTML. HTML rendering is disabled to avoid XSS.StripHTMLtagsRemoves all HTML tags from the input.
CSS ツール 6
CSS 整形Indent and tidy CSS stylesheets.CSS 圧縮Compress CSS for production.CSSUnit 変換(px,rem,em,%)Convert between px, rem, em, pt and % with a configurable root size.CSS グラデーション生成Build linear and radial gradients visually and copy the CSS.Box 影生成Design box shadows with live preview and copy-ready CSS.CSSBeautifyIndents and prettifies Cascading Style Sheets (CSS) code.
JavaScript ツール 2
開発者ツール 21
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HTTP ステータス Code 一覧Search all HTTP status codes with meanings and usage notes.User-Agent 解析Break a User-Agent string into browser, engine and OS.ASCII 文字テーブルInteractive reference of all 128 ASCII codes.Unicode 文字一覧Inspect code points, blocks and UTF encodings of any character..gitignore 生成Assemble a .gitignore from curated stack templates.Semver 解析Break a semantic version into major, minor, patch, prerelease and build metadata.SemverCompareCompare two semantic versions by precedence and tell you whether the change is breaking.Semver Range チェックTest whether a version satisfies a ^, ~, >=, < or x-range expression.Snowflake ID デコードDecode a Twitter or Discord snowflake into its timestamp, worker and sequence bits.MongoDB ObjectId デコードExtract the creation timestamp, random bytes and counter from a 24-character ObjectId.MIME Type 一覧Look up the MIME type for a file extension or the extensions for a MIME type, with server config snippets.SemverBumpBump major, minor, patch or any prerelease component with the reset rules applied.Semver 並べ替えSort a list of versions by semver precedence, so 1.10.0 correctly follows 1.9.0.Snowflake ID 生成Generate time-ordered 64-bit snowflake IDs with a configurable worker id and epoch.MongoDB ObjectId 生成Generate valid 24-character ObjectIds with the current timestamp, random bytes and counter.SQL 整形Beautify SQL queries: keywords on new lines with indent, SELECT lists one column per line, subqueries nested, string literals and comments untouched.cURL to Code 変換Paste a curl command and get a ready-to-run JavaScript fetch or Python requests snippet with method, headers and body preserved.GenericCodeBeautifyAttempts to pretty print C-style languages such as C, C++, C#, Java, PHP, JavaScript etc. This will not do a perfect job, and the resulting code may not work any more. This operation is designed purely to make obfuscated or minified code moSQLMinifyCompresses Structured Query Language (SQL) code.SSDEEPSSDEEP is a program for computing context triggered piecewise hashes (CTPH). Also called fuzzy hashes, CTPH can match inputs that have homologies. Such inputs have sequences of identical bytes in the same order, although bytes in between th
正規表現ツール 3
圧縮ツール 7
Gzip 圧縮Gzip text and download the .gz or inspect Base64.Gzip 解凍Inflate gzip payloads from files or Base64.Deflate 圧縮Raw DEFLATE compression in the browser.Deflate 解凍Inflate raw DEFLATE data.Brotli 圧縮Compress text with Brotli (RFC 7932) directly in your browser — the same codec Google ships, compiled to WebAssembly, quality 0–11, Base64 or Hex output with exact size statistics.Brotli 解凍Paste Base64 or Hex brotli data and get the original text back — real RFC 7932 decompression in WebAssembly, binary payloads detected and re-encoded, nothing uploaded.
Web ツール 10
HTML メタ Tag 生成Build title, description, OG and Twitter card tags.robots.txt 生成Compose a correct robots.txt with sitemaps and rules..htaccess Redirect 生成301/302 redirect and HTTPS-force snippets.JSON-LD Structured データ生成Create schema.org JSON-LD for articles, products and FAQs.メール AddressObfuscatorEncode emails to defeat scrapers.ファビコン生成Render text or color into a real .ico file locally.
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Content-Security-Policy 生成Build a CSP header for nginx, Apache or HTML, with warnings about unsafe-inline and unsafe-eval.CORS Header 生成Generate correct CORS headers and preflight handling for nginx, Express, Apache, PHP or a Cloudflare Worker.CORS ヘッダー forExpressGenerate correct Express CORS middleware with an explicit origin allow-list and preflight handling.CORS ヘッダー forApacheGenerate Apache mod_headers CORS configuration with OPTIONS preflight rewriting.