Developer Tools
Explore our comprehensive collection of free online developer tools designed for everyday programming tasks. Easily access web formatters, encoders, decoders, code minifiers, and browser-based…
All Tools (34)
Formatter (7)
JSON (3)
Converter (2)
CSV (2)
CSS (2)
HTML (2)
JavaScript (2)
Encoding (2)
Turn CSV-shaped text (or generated dummy data) into a clean HTML table — with header, border, class, and caption options.
Generate synthetic profile cards — name, job title, company, contact info, bio, and avatar — for UI mockups and testing.
Generate deterministic initials-style avatars as SVG or PNG from a seed, shape, and color, computed locally in your browser.
Generate Lorem Ipsum or plain-English placeholder text by words, sentences, or paragraphs, computed locally in your browser.
Get a random placeholder image URL at any size, for mockups and development — powered by Lorem Picsum.
Generate a solid-color placeholder box with label text, as SVG, PNG, or a data URL — drawn entirely in your browser.
Create a professional invoice with multiple line items, automatic totals, and PDF/print output — generated entirely in your browser.
Generate configurable synthetic test records — pick fields, order them, and export as a table, JSON, CSV, or SQL.
Generate an array of fake JSON records from a schema you define — e.g. {“id”:”number”,”name”:”name”} — computed entirely in your browser.
Generate synthetic CSV test data with custom columns, delimiter, and header row — computed entirely in your browser.
About Developer Tools
Explore our comprehensive collection of free online developer tools designed for everyday programming tasks. Easily access web formatters, encoders, decoders, code minifiers, and browser-based testing utilities to optimize your development workflow seamlessly.