# Ibrahim Tools > Free browser tools by Muhammad Ibrahim for images, writing, developers, and SEO. No account, uploads, or ads. Analytics is optional and consent-based. Tool inputs run locally in the visitor's browser. Use canonical pages for citations. Each tool has instructions, limitations, a guide, and related links. This file is a discovery aid, not a guarantee of inclusion in AI answers. Markdown companions are available at /{slug}.md and /blog/{slug}-guide.md. ## Core - [Directory](https://tools.ibrahimwali.com/): All tools. - [Guides](https://tools.ibrahimwali.com/blog): Practical tool guides. - [Developer](https://tools.ibrahimwali.com/about): Muhammad Ibrahim; [portfolio](https://ibrahimwali.com). - [Privacy](https://tools.ibrahimwali.com/privacy): Browser storage and external AI links. - [Full documentation](https://tools.ibrahimwali.com/llms-full.txt) - [Machine-readable search index](https://tools.ibrahimwali.com/search-index.json) ## Developer Tools - [JSON Formatter](https://tools.ibrahimwali.com/json-formatter): Format, minify, and validate JSON with readable errors. - [Guide](https://tools.ibrahimwali.com/blog/json-formatter-guide) - [Base64 Encoder & Decoder](https://tools.ibrahimwali.com/base64-encoder-decoder): Encode Unicode text as Base64 or decode it back to text. - [Guide](https://tools.ibrahimwali.com/blog/base64-encoder-decoder-guide) - [URL Encoder & Decoder](https://tools.ibrahimwali.com/url-encoder-decoder): Encode a query parameter or decode percent-escaped text. - [Guide](https://tools.ibrahimwali.com/blog/url-encoder-decoder-guide) - [UUID Generator](https://tools.ibrahimwali.com/uuid-generator): Generate version 4 UUIDs using your browser’s cryptographic random source. - [Guide](https://tools.ibrahimwali.com/blog/uuid-generator-guide) - [SHA-256 Hash Generator](https://tools.ibrahimwali.com/sha256-generator): Calculate a SHA-256 digest for UTF-8 text locally. - [Guide](https://tools.ibrahimwali.com/blog/sha256-generator-guide) - [Unix Timestamp Converter](https://tools.ibrahimwali.com/timestamp-converter): Convert Unix seconds or milliseconds into UTC dates and back. - [Guide](https://tools.ibrahimwali.com/blog/timestamp-converter-guide) - [CSV to JSON Converter](https://tools.ibrahimwali.com/csv-to-json): Convert comma-separated records into a structured JSON array. - [Guide](https://tools.ibrahimwali.com/blog/csv-to-json-guide) - [JSON to CSV Converter](https://tools.ibrahimwali.com/json-to-csv): Turn an array of JSON objects into a downloadable CSV file. - [Guide](https://tools.ibrahimwali.com/blog/json-to-csv-guide) - [HTML Entity Encoder & Decoder](https://tools.ibrahimwali.com/html-entity-encoder-decoder): Escape HTML-sensitive text and decode common or numeric entities. - [Guide](https://tools.ibrahimwali.com/blog/html-entity-encoder-decoder-guide) - [HEX / RGB / HSL Color Converter](https://tools.ibrahimwali.com/color-converter): Convert a solid HEX or RGB color into HEX, RGB, and HSL values. - [Guide](https://tools.ibrahimwali.com/blog/color-converter-guide) - [Color Contrast Checker](https://tools.ibrahimwali.com/contrast-checker): Check foreground/background contrast against WCAG 2.x AA and AAA thresholds. - [Guide](https://tools.ibrahimwali.com/blog/contrast-checker-guide) ## SEO Tools - [Meta Tag Preview](https://tools.ibrahimwali.com/meta-tag-preview): Draft a title and description, preview a search snippet, and copy escaped HTML. - [Guide](https://tools.ibrahimwali.com/blog/meta-tag-preview-guide) - [Robots.txt Generator](https://tools.ibrahimwali.com/robots-txt-generator): Create a simple robots.txt with optional disallow paths and a sitemap URL. - [Guide](https://tools.ibrahimwali.com/blog/robots-txt-generator-guide) - [XML Sitemap Generator](https://tools.ibrahimwali.com/sitemap-generator): Build an escaped XML sitemap from a list of absolute page URLs. - [Guide](https://tools.ibrahimwali.com/blog/sitemap-generator-guide) - [UTM Campaign URL Builder](https://tools.ibrahimwali.com/utm-builder): Create consistent campaign links without losing existing URL parameters. - [Guide](https://tools.ibrahimwali.com/blog/utm-builder-guide) ## Generators - [QR Code Generator](https://tools.ibrahimwali.com/qr-code-generator): Generate high-quality QR codes online for free. Create QR codes for websites, contact details, and text, then download as PNG. No signup. Files never leave your browser. - [Guide](https://tools.ibrahimwali.com/blog/qr-code-generator-guide) - [Password Generator](https://tools.ibrahimwali.com/password-generator): Create random passwords with selectable character sets. - [Guide](https://tools.ibrahimwali.com/blog/password-generator-guide) ## Image Tools - [Image Compressor](https://tools.ibrahimwali.com/image-compressor): Compress images online for free. Reduce JPG, PNG, and WebP file sizes for faster websites and emails while keeping visual quality. Private — processing stays on your device. - [Guide](https://tools.ibrahimwali.com/blog/image-compressor-guide) - [Image Resizer](https://tools.ibrahimwali.com/image-resizer): Resize images online free. Set exact width and height in pixels, keep aspect ratio, and download instantly. Ideal for thumbnails, social banners, and product photos. - [Guide](https://tools.ibrahimwali.com/blog/image-resizer-guide) - [JPG → PNG](https://tools.ibrahimwali.com/jpg-to-png): Convert JPG to PNG online free. Turn JPEG photos into high-quality PNG files in your browser — no upload to a server, no signup. - [Guide](https://tools.ibrahimwali.com/blog/jpg-to-png-guide) - [PNG → JPG](https://tools.ibrahimwali.com/png-to-jpg): Convert PNG to JPG online free. Create smaller JPEG files from PNG images with adjustable quality. Private browser conversion — no account required. - [Guide](https://tools.ibrahimwali.com/blog/png-to-jpg-guide) - [WebP Converter](https://tools.ibrahimwali.com/webp-converter): Convert WebP to JPG or PNG online free. Open modern WebP images in older tools, PowerPoint, and email clients. Conversion happens privately in your browser. - [Guide](https://tools.ibrahimwali.com/blog/webp-converter-guide) ## Text Tools - [Word Counter](https://tools.ibrahimwali.com/word-counter): Free online word counter. Instantly count words, sentences, paragraphs, and estimated reading time. Perfect for students, bloggers, and SEO writers. - [Guide](https://tools.ibrahimwali.com/blog/word-counter-guide) - [Character Counter](https://tools.ibrahimwali.com/character-counter): Free character counter online. Count characters with/without spaces, plus words. Ideal for Google title tags (≈60), meta descriptions (≈155), and social captions. - [Guide](https://tools.ibrahimwali.com/blog/character-counter-guide) - [URL Slug Generator](https://tools.ibrahimwali.com/slug-generator): Turn a title into a clean lowercase URL slug. - [Guide](https://tools.ibrahimwali.com/blog/slug-generator-guide) - [Text Case Converter](https://tools.ibrahimwali.com/case-converter): Convert writing to sentence, title, upper, or lower case. - [Guide](https://tools.ibrahimwali.com/blog/case-converter-guide) - [Remove Duplicate Lines](https://tools.ibrahimwali.com/remove-duplicate-lines): Deduplicate a list while preserving the first occurrence and original order. - [Guide](https://tools.ibrahimwali.com/blog/remove-duplicate-lines-guide) - [Markdown Preview](https://tools.ibrahimwali.com/markdown-preview): Preview basic Markdown locally with raw HTML and remote images disabled. - [Guide](https://tools.ibrahimwali.com/blog/markdown-preview-guide) ## Calculators - [Age Calculator](https://tools.ibrahimwali.com/age-calculator): Calculate age in calendar years, months, and days. Choose a date of birth and a reference date, with a clear breakdown and no upload. - [Guide](https://tools.ibrahimwali.com/blog/age-calculator-guide) - [Percentage Calculator](https://tools.ibrahimwali.com/percentage-calculator): Free percentage calculator for discounts, tips, exam scores, and growth rates. Solve “X% of Y”, percentage change, and reverse percentages instantly. - [Guide](https://tools.ibrahimwali.com/blog/percentage-calculator-guide) - [Aspect Ratio Calculator](https://tools.ibrahimwali.com/aspect-ratio-calculator): Simplify an image aspect ratio and calculate proportional dimensions. - [Guide](https://tools.ibrahimwali.com/blog/aspect-ratio-calculator-guide)