Generate realistic dummy data as CSV rows or JSON objects. Configure count (1-50) for test data, demos, and prototyping. Everything runs locally in your browser — nothing is uploaded.
Analyze CSV, generate CSV data, query JSON with path expressions, compare JSON diffs, minify JSON, sort CSV, view JSON tree, and preview CSV tables.
Transpose CSV data — swap rows and columns. Convert horizontal data to vertical and vice versa for reformatting.
Generate pivot tables from CSV data by specifying group and value columns. Transform long-format data into summary tables.
Generate realistic mock JSON data from a schema description. Ideal for rapid API prototyping and frontend development without a backend.
Wrap JSON data in valid JSON-LD (Linked Data) structure with @context and @type. Generate schema.org-compatible structured data.
CSV Row / JSON Generator lets you generate realistic dummy data as CSV rows or JSON objects. Configure count (1-50) for test data, demos, and prototyping. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate realistic dummy data as CSV rows or JSON objects. Configure count (1-50) for test data, demos, and prototyping. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Direct text entry, file upload, or URL-based input — depending on the tool. All numeric values are entered through input fields with real-time updates.
Yes. After the initial page load, CSV Row / JSON Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free with no usage limits, registration, or credit card required.
All processing happens locally in your browser. Your data is never uploaded to any server.
Yes. After the initial page load, the tool runs entirely offline without requiring an internet connection.
No. You can use this tool unlimited times with no quotas or restrictions.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
Privacy Cleaner
Scans and clears browser cookies, localStorage, sessionStorage, and cached data for the current site.
Speed Test
Measures your internet connection’s download speed and latency by downloading a test file from a CDN. Upload speed is not currently measured.
Wheel of Names
Displays an animated spinning wheel that randomly selects one entry from a customizable list of names or options.
QR Code Generator
Renders a scannable QR code from any text or URL using a client-side Reed-Solomon encoder. Download as PNG.
Random Number Generator
Generates cryptographically secure random integers or decimals within a user-defined min-max range with optional repetition filtering.
Resume Builder
Provides a structured, form-based interface for entering work history, education, and skills, then renders a professionally formatted PDF resume.