Category

Code & Data

Developer tools for formatting JSON, validating schemas, encoding Base64, testing regex, generating UUIDs, comparing configs, building API requests, formatting HTML, cleaning CSV, and preparing code/data snippets.

46 tools
46 visible tools
Code & Data workflows

Related tool paths for common tasks in this category.

All tools
Prepare a PDF 6 tools

Convert, combine, inspect, watermark, or unlock owned PDF files with temporary processing notes.

PDF Tools PDF Merger PDF Splitter PDF Compressor PDF Watermark Adder
Format developer data 8 tools

Clean, validate, convert, and inspect structured data without leaving the tool workspace.

JSON Formatter JSON Validator JSON Diff CSV Viewer Base64 Encode/Decode
Build safer prompts 4 tools

Turn rough tasks into structured, reviewable prompt drafts and supporting content helpers.

AI Prompt Generator Text Summarizer API Documentation PDF Generator Mermaid Studio
Run security checks 6 tools

Use authorized checks for public web signals, tokens, certificates, and safe security utilities.

Web Pentest Studio Authorized Port Range Checker SSL Checker HTTP Security Headers Checker JWT Decoder
01
Add input Paste JSON, code, IDs, config, API text, or sample data.
02
Select options Choose validation, format, minify, convert, or generate.
03
Run tool Keep actions close to the editor and inspect errors.
04
Use result Copy, download, or compare output before production use.
.env Validator Validate .env key/value lines and highlight malformed entries.
API Documentation PDF Generator Generate beautiful API documentation PDFs from Swagger and OpenAPI URLs, including endpoint summaries, request and response models, authentication details, quality warnings, and developer exports.Protected
API Workbench Send requests, inspect responses, and generate cURL, fetch, and HttpClient snippets from any endpoint.Protected
Base64 Encode/Decode Encode/decode Base64.
Chmod Calculator Unix file permissions.
Config Diff & Sync Compare .env, JSON, YAML, and INI configs by key, highlight missing or mismatched values, and create a synced config patch.
Cron Expression Builder Build cron expressions.
CSV to SQL Generator Generate SQL INSERT statements from CSV headers and rows.
CSV Viewer Preview CSV rows in a table before copying or cleaning.
Diff Checker Compare two texts.
Docker Compose Validator Check for common Docker Compose structure such as services.
GraphQL Builder Build a GraphQL query from operation name, fields, variables, and arguments.Beta
GraphQL Query Formatter Format GraphQL query text for easier reading.
Hash Generator Generate MD5, SHA1, SHA256, SHA512.
HTML Entity Encode/Decode Encode/decode HTML entities.
HTML Formatter Format HTML code.
HTTP Status Codes HTTP status code reference.
INI Deep Editor Inspect INI sections, key/value structure, duplicate keys, comments, and normalized text.
INI Formatter Clean and format INI sections and key/value lines.
JS Minifier Minify JavaScript.
JSON Schema Validator Parse JSON and basic schema syntax for quick validation checks.
JSON to Data Model Generate a typed data model from JSON.
JSONPath Tester Test simple JSONPath-style property access against JSON.
JWT Decoder Decode JWT header and payload without sending data anywhere.Beta
JWT Expiry Checker Decode a JWT payload and show the exp claim without sending it elsewhere.
Markdown Table Generator Convert CSV rows into a Markdown table.
Mermaid Studio Validate Mermaid diagrams, fix common syntax errors, render a polished local preview, and export SVG, PNG, or PDF without any external service.
OpenAPI Validator Validate common OpenAPI or Swagger structure before sharing a specification.Beta
OpenAPI Viewer Preview and sanity-check OpenAPI or Swagger text.
Postman/Insomnia Collection Analyzer Analyze exported Postman or Insomnia collection JSON, summarize requests, detect variables, and create reviewable cURL drafts without calling endpoints.
Regex Tester Test regular expressions.Beta
SQL Formatter Format SQL queries.
Timestamp Converter Convert Unix timestamps.
Timestamp Diff Compare two timestamps and see the exact elapsed time.
TOML Deep Editor Inspect TOML sections, key/value structure, duplicate keys, unfinished strings, and normalized text.
TOML Formatter Format TOML-style key/value configuration text.
ULID Generator Generate time-sortable ULID-style identifiers locally.
URL Encode/Decode URL encode/decode text.
User Agent Parser Parse user agent strings.
UUID Generator Generate UUIDs/GUIDs.
UUID v7 Generator Generate timestamp-based UUID v7 identifiers locally.
UUID Validator Validate UUID/GUID format, version, and variant.
XML to JSON Converter Convert simple XML documents to JSON using local XML parsing.
YAML Deep Editor Inspect YAML configuration structure, key paths, duplicate keys, indentation hints, and normalized text.
YAML Formatter Format simple YAML by normalizing whitespace and indentation-friendly line breaks.
YAML Validator Validate basic YAML key/value and list structure without external services.

Processing summary

Developer utilities help inspect, format, test, and draft technical output. Avoid pasting secrets unless the tool clearly states browser-local handling.

Code & Data FAQ

How should I use these tools?

Open the tool, read the processing label and limitations, then run the smallest useful input.

Can I rely on every result?

No. Results are practical informational outputs and should be reviewed before important use.

Where can I report issues?

Use the contact page with the tool name, page URL, expected result, and actual result.