Free online developer tools Paste anything.
Logs, JSON, tokens, timestamps, commands. pipe pulls out every piece it recognises, explains it on the spot, and lets you pipe it through more tools. Nothing you paste leaves your browser.
Not sure what to paste? Load an example to see how it works:
Formats
5 tools- JSON formatterFormat, validate, minify and sort JSON.
- JSON ↔ YAMLConvert JSON to YAML and YAML to JSON.
- CSV ↔ JSONConvert CSV to JSON and JSON to CSV, with a table preview.
- SQL formatterFormat and beautify SQL for PostgreSQL, MySQL, SQLite and more.
- JSON → TypeScriptGenerate TypeScript interfaces from a JSON sample.
Text
5 tools- Case convertercamelCase, snake_case, kebab-case, PascalCase and more.
- Word counterCount words, characters, lines and reading time.
- Line toolsSort lines, remove duplicates and empty lines, trim spaces.
- Text diffCompare two texts line by line or word by word.
- Regex testerTest regular expressions with live match highlighting.
Encoding
6 tools- Base64Encode and decode Base64, UTF-8 safe, with URL-safe variant.
- JWT decoderInspect JWT header, payload and expiry.
- HTML entitiesEscape text for HTML and turn entities back into text.
- URLEncode and decode URLs, and split them into parts.
- HashesMD5, SHA-1 and SHA-2 hashes and HMACs of text or files.
- Number basesConvert between binary, octal, decimal and hex.
CLI
5 tools- chmodUnix file permissions in octal and rwx, both ways.
- curl builderBuild curl commands and convert them to fetch, Python and HTTPie.
- docker / podmanEveryday docker and podman commands: shell, logs, exec, run, build, compose.
- grep builderBuild grep and ripgrep searches with include, exclude and context.
- tar builderCreate, extract and list tar archives without looking up the flags.