Data Tools
Data transformation tools: convert and format CSV, JSON, XML, and YAML locally.
19 tools in this category.
Tools in Data Tools
JSON Formatter
Format, beautify, and validate JSON with adjustable indentation — instantly in your browser.
Developer Tools
JSON Validator
Check whether your JSON is valid and find the exact line and column of any syntax error.
Developer Tools
JSON String Escape / Unescape
Escape a string for safe embedding inside a JSON document (handles quotes, backslashes, control characters), or unescape a JSON-encoded string literal back to its raw form.
Encoding Tools
SQL Formatter
Format and beautify SQL queries for MySQL, PostgreSQL, SQLite, and more — with optional keyword uppercase and tab indentation.
Developer Tools
Text Summarizer
Summarize long articles, blog posts, reports, or emails — entirely in your browser. Nothing is uploaded. The model runs locally on your device.
Text Tools
Sentiment Analyzer
Detect the sentiment of any text — positive, negative, or neutral — using a local model. Perfect for content review, social posts, or feedback triage. Nothing is uploaded.
Text Tools
Text Similarity
Compare two pieces of text and get a 0–1 similarity score plus a verdict (near-duplicate, similar, related, unrelated). Runs in your browser, nothing is uploaded.
Text Tools
CSV to JSON Converter
Convert CSV to JSON and JSON to CSV instantly, right in your browser.
Data Tools
CSV Viewer
View any CSV as a sortable, searchable table — paste or drop a file, filter rows, and see column stats in your browser.
Data Tools
JSON Diff
Compare two JSON values semantically. Ignores key order, highlights added/removed/changed paths, and works with nested objects and arrays.
Developer Tools
JSONPath Query
Query any JSON document with JSONPath syntax — extract fields, filter arrays, count matches. A free, in-browser jq-lite for everyday JSON inspection.
Data Tools
TOML ↔ JSON Converter
Convert TOML to JSON and JSON to TOML, instantly in your browser. Useful for pyproject.toml, Cargo.toml, and any modern config file. Free, no upload.
Data Tools
JSON to YAML Converter
Convert JSON to clean YAML and decode YAML back to JSON. Round-trips common JSON shapes.
Data Tools
YAML to JSON Converter
Parse YAML into structured JSON, instantly in your browser. Useful for reading Kubernetes manifests, GitHub Actions workflows, and any YAML config.
Data Tools
Markdown Table Generator
Build a clean GitHub-flavored markdown table from your rows — paste CSV or key/value pairs and copy the result. Free, in your browser, no upload.
Text Tools
Character Frequency Counter
Count how often each character appears in your text. Useful for cryptanalysis, language detection, and stats.
Text Tools
JSON Tree Viewer
Paste any JSON and explore it as a collapsible tree. Click any value to copy it, or copy the whole path. Free, runs in your browser, no upload.
Developer Tools
API Tester (HTTP Requests)
Make HTTP requests from your browser: GET, POST, PUT, DELETE, with custom headers and body. Import a cURL command, see the full response (status, headers, body) with timing. Free, in browser, no signup.
Developer Tools
Bank Statement Converter
Convert PDF bank or credit-card statements to CSV, Excel, JSON, QIF, or OFX. Auto-detects 17 banks. Scanned-PDF OCR fallback. Runs in your browser.
PDF Tools