Free Tools
Every free tool from Code Card, in one place. Pick one and get to work - no signup required.
Cover Letter Generator
Generate a tailored cover letter for a role, company, experience level, and key achievements. Includes developer-friendly wording.
Developer Bio Generator
Generate a polished developer bio for GitHub, LinkedIn, X, or your portfolio. Tone-aware and character-limit smart.
AI Coding Hours Saved Calculator
Estimate weekly hours saved and yearly dollar ROI from AI coding tools like Claude Code, Cursor, and Copilot.
AI Coding Style Quiz
10-question quiz to find your AI coding archetype - Claude Code Purist, Codex Pragmatist, Cursor Power User, or Multi-Tool Generalist.
GitHub Profile README Generator
Build a polished GitHub profile README with stats cards, skill icons, and badges. Live preview, copy-paste Markdown, no signup.
GitHub Coding Streak Calculator
Instantly see your current and longest GitHub coding streaks, total contributions, and most active day. Generates a shareable streak badge.
GitHub README Stats Generator
Configure GitHub stats, language, streak, trophy, and repo cards with live previews and copy-ready README Markdown.
Markdown Table Generator
Convert CSV, TSV, spreadsheet rows, or typed text into clean GitHub-flavored Markdown tables with alignment controls.
Markdown Cheat Sheet
Search and copy Markdown syntax for headings, links, lists, tables, code blocks, task lists, and GitHub-flavored Markdown.
Markdown to PDF Converter
Convert Markdown into a clean PDF-ready document with live preview, page formatting controls, and export-friendly output.
PDF Merge Tool
Combine multiple PDF files into one ordered document in your browser with drag-and-drop upload, ordering controls, and download.
PDF Split Tool
Split one PDF into page ranges or single-page files directly in your browser, then download each new PDF without uploading.
PDF Compressor Online
Reduce PDF file size in your browser with quality presets, before-and-after estimates, and a private compressed download.
PDF to PNG Converter
Convert PDF pages into downloadable PNG images in your browser with page range, quality, and background controls.
PDF to JPG Converter
Convert PDF pages into downloadable JPG images in your browser with page range, quality, and background controls.
HTML Table Generator
Build responsive HTML tables from pasted rows, CSV, or spreadsheet data with captions, scoped headers, CSS, and live preview.
HTML Cheat Sheet
Search common HTML tags, semantic structure examples, forms, media elements, metadata, and copy-ready starter snippets.
XML to JSON Converter
Convert XML into clean, formatted JSON with validation, attributes, repeated element arrays, copy, and download.
Swagger Editor
Edit, validate, and preview Swagger/OpenAPI YAML or JSON with endpoint summaries, schema checks, copy, and download.
Open Graph Image Generator
Create 1200 by 630 social preview images with editable text, colors, layouts, SVG export, and PNG download.
Image Resizer Online
Resize images in your browser by pixels, percentage, or social presets, then export JPG, PNG, or WebP without uploading files.
HEIC to JPG Converter
Convert iPhone HEIC or HEIF photos to JPG in your browser with batch upload, quality controls, and private downloads.
JPG to PNG Converter
Convert JPG or JPEG images to PNG in your browser with preview, original dimensions, and a private downloadable file.
Password Strength Checker
Check password strength locally with entropy, length, character mix, common risk flags, and copyable security suggestions.
Unit Converter
Convert length, weight, volume, temperature, area, speed, and data units with copyable results and quick reference formulas.
Random Number Generator
Generate random integers or decimals from any min and max range with quantity, duplicate, sorting, and copy controls.