Got Questions?

sourcecodestack is a free, browser-based platform offering a full suite of tools, apps, games, and educational content — all with a strict privacy-first approach. It includes apps like Image Converter, PDF Studio, Social Media Generator, Typing Master, and PDF Read Aloud; developer and utility tools like Code Playground, API Client, JSON Formatter, ZIP Manager, Encryptor/Decryptor, and more; a Games section; a Blog; in-depth Articles and Guides; and a searchable FAQ. All file processing happens locally in your browser — your files never leave your device.

Unlike other online tools, sourcecodestack processes everything locally in your browser using JavaScript and WebAssembly. Your images are never uploaded to any server, stored in databases, or transmitted over the internet. This ensures complete privacy and security.

We support 9+ image formats including PNG, JPG, JPEG, WEBP, BMP, GIF, TIFF, ICO, and AVIF. You can convert between any of these formats with lossless quality preservation for most conversions.

Yes! Our image converter allows you to resize images by specifying custom dimensions in px, in, cm, or mm. The aspect ratio can be maintained automatically, or you can set custom width and height values.

Yes. Click the pink edit (pencil) icon on any uploaded image card to open a full editor with four tabs — Adjust (brightness, contrast, saturation, hue, blur, grayscale, sepia, invert), Transform (rotate 0/90/180/270° or ±90°, flip horizontal/vertical), Crop (drag-to-select or aspect-ratio presets like 1:1, 4:3, 16:9, 3:4, 9:16, 3:2), and Metadata (rename and strip EXIF). All changes stay in an Undo/Redo history queue and are only written back to the file when you click Apply.

Undo (Ctrl+Z) and Redo (Ctrl+Y / Ctrl+Shift+Z) step through every change you've made in the current session. Reset reverts to the original image. Apply bakes every transform and adjustment into a new image file that replaces the original in your batch. Cancel or ESC discards all edits.

Yes. Applying edits re-encodes the image through a browser canvas, which automatically removes EXIF data, GPS coordinates, camera info, and color profiles. The 'Strip EXIF' toggle in the editor's Metadata tab is on by default for privacy.

Yes. After your first upload, both the Image Converter and PDF Studio show a '+ Add More' button near the upload area. Clicking it appends new files to the current batch (preserving per-image settings and any editor changes). Clicking the main upload area instead replaces the whole batch with a fresh selection — this is intentional so you can start over cleanly when you want to.

Upload images to the PDF Studio, reorder them with smooth animated drag-and-drop (cards slide into place instead of snapping), optionally preview or remove individual pages, then download a merged multi-page PDF. You can append more images at any time with the '+ Add More Files' button.

Since all processing happens in your browser, you're limited by your device's memory and browser capabilities. For optimal performance, we recommend keeping individual files under 50MB and total batch processing under 200MB.

sourcecodestack works in all modern browsers including Chrome, Firefox, Safari, Edge, and others that support modern web APIs. For the best experience, we recommend using the latest version of your browser.

Yes, completely free! There are no hidden costs, premium features, usage limits, or subscriptions. All features are available to everyone without any restrictions.

Absolutely! Our batch processing tool can convert hundreds of images simultaneously. Check 'Apply settings to all images' to process every uploaded image with identical settings — when enabled, every card is visually highlighted with a blue selection ring so you can confirm the scope at a glance. Leave it unchecked to edit each image's settings individually. All processed images are packaged into a single ZIP file for download.

We offer intelligent compression controls that preserve quality while reducing file sizes. For lossy formats like JPEG, you can adjust compression levels. For lossless formats, we maintain original quality.

Your data never leaves your device. All conversions happen locally using client-side processing. We don't collect, store, or transmit any of your files or personal information.

Yes! sourcecodestack is fully responsive and works on smartphones and tablets. While some advanced features work better on desktop, all core functionality is available on mobile devices.

First, ensure you're using a modern browser with JavaScript enabled. Try refreshing the page or clearing your browser cache. If issues persist, check that your files aren't corrupted and aren't excessively large.

Our Universal Social Media Image & Asset Generator automatically creates perfectly sized images for all major social media platforms from one source image. It generates assets for Instagram, Facebook, Twitter/X, LinkedIn, YouTube, Pinterest, Snapchat, WhatsApp, and Telegram with official platform dimensions and aspect ratios.

Upload any image, select the platforms you want to generate assets for, and click generate. The tool uses smart cropping and resizing algorithms to create perfectly sized images for each platform. All assets are then packaged into a single ZIP file for easy download.

Yes! Every generated image follows the exact recommended dimensions and aspect ratios from each platform's official guidelines. We include proper safe areas to ensure important content isn't cropped, and use the recommended file formats for optimal quality.

Absolutely! After selecting platforms and generating assets, you'll see a live preview grid showing how each image will look on its respective platform. Only download when you're satisfied with the results.

The generator accepts any standard image format including PNG, JPG, JPEG, WEBP, GIF, BMP, TIFF, and more. For best results, start with high-resolution images (2000px+ on the longest side) to ensure quality across all generated sizes.

No limits! You can select all platforms or just the ones you need. The tool efficiently processes all selected platforms simultaneously and packages everything into one convenient ZIP download.

We only accept image files and PDFs. Executable files, archives, and other file types are not supported for security reasons. All uploaded files are validated before processing.

In the PDF Studio, drag any file card in the single-column list to change its position. Cards animate smoothly into their new positions (250ms transitions) instead of snapping, so the new order is always visually clear before you download the merged PDF.

The Apps page is a centralized hub for full experiences like Image Converter, Social Media Creator, PDF Studio, and Typing Master. The Tools page contains focused utilities such as ZIP Manager, Code Minifier, JSON Formatter, and other task-specific tools.

The Blog is a content section covering technology, health, wellness, productivity, developer tools, and more. Each post has a title, category, tags, and full article content. Posts are sorted by date and can be searched and filtered by category and tags.

On the Blog landing page, use the search box to find posts by title, category, or tags. Click the Filter button to narrow by category or tag dropdowns. Clear Filters resets everything. Each post opens in a full page with the complete article.

ZIP Manager lets you create ZIP files, inspect uploaded ZIP contents, open files inside archives, apply password protection, encrypt/decrypt archives, and download processed ZIP outputs with progress indicators.

Typing Master includes timer mode, word-goal mode, live WPM tracking, accuracy metrics, mistake detection, progress indicators, and best-score tracking for long-term practice and performance improvement.

Code Validator validates JSON, XML, YAML, TOML, INI, JavaScript, TypeScript, Python, HTML, SQL, and regular expressions. It helps catch syntax and structure issues before deployment with parser-based diagnostics.

Yes. When validation fails, the tool shows the error line and column in Diagnostics, auto-focuses the source editor at the error location, and lets you click Highlight Error to jump back to that position.

Code Playground is a browser-based IDE for JavaScript, TypeScript (with full Node.js runtime support including require(), process, Buffer, fs, path, crypto, and events modules), Python, HTML, Markdown, and SQL. You can run code with async/await and event loop support, format with Prettier, lint, preview HTML/Markdown, and maximize editor or output panels for focused work.

API Client is a Postman-style API testing tool that lets you choose HTTP method, URL, query params, headers, payload, timeout, and authentication mode, then execute one or many requests in parallel.

API Client supports no-auth, Bearer Token, Basic Auth, and API Key auth. API keys can be attached either as request headers or as query parameters.

Yes. You can set the number of parallel requests and review per-request status, duration, response size, headers, body, and summary metrics like success/failure count and average response time.

Encryptor / Decryptor secures text and files using repeating-key byte transformation. You can encrypt or decrypt in text mode and file mode, import/export keys, generate random 512-bit keys, and download outputs with -enc or -dec filename suffixes.

Yes. The tool supports key import and export, suggested 512-bit keys, and a live operation progress bar with percentage for both text and file encryption/decryption workflows.

Mouse & Keyboard Tester helps you verify input behavior in real time. It tracks left/right clicks, scroll direction and distance, total key presses, unique keys, and per-key counts.

Yes. You can reset counters any time, copy live results to clipboard, and export test summaries as local text files for diagnostics or support sharing.

Our Games collection currently includes Tic Tac Toe, Rock Paper Scissors, Memory Match, Number Guess, Hangman, Math Quiz, Reaction Time, and Word Scramble. Each game is browser-based, fast, and works without account sign-up.

Yes. The Games landing page includes search plus category and tag filters so you can quickly find strategy, word, puzzle, educational, and skill-based games.

Yes. All games are free to play and optimized for modern mobile and desktop browsers with responsive layouts and smooth controls.

The Games landing page uses SEO-focused metadata, canonical URL, Open Graph/Twitter tags, and structured data with an ItemList of all games. It also includes searchable tags and categories to improve both user discovery and crawl clarity.

Start by controlling the center when possible, prioritize fork opportunities, and block immediate opponent win lines. In computer mode, maintain defensive play first, then convert to fork-based offense.

Use short repeated sessions, focus on visual readiness rather than guessing, and track your best and average times over multiple rounds. Avoid early clicks to keep clean benchmark data.

Use a consistent scan pattern (left-to-right, top-to-bottom), remember recently seen mismatches, and prioritize finishing known pairs quickly to reduce move count.

Apply range reduction logic after each hint: split the remaining range roughly in half to reach the target in fewer attempts instead of random guesses.

For Hangman, begin with high-frequency letters and infer by pattern length. For Word Scramble, test common prefixes/suffixes and vowel placement first to accelerate solving.

Yes. Each game page includes dedicated titles, descriptions, keywords, canonical URL, robots directives, and social metadata so search engines can index game URLs independently.