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  <title>Codeswap — New Developer Tools</title>
  <link>https://codeswap.net/tools/</link>
  <description>Latest free, browser-based developer tools added to Codeswap.</description>
  <language>en</language>
  <lastBuildDate>Sat, 13 Jun 2026 15:16:34 GMT</lastBuildDate>
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    <item>
      <title>RoPE / YaRN Context Extension Calculator</title>
      <link>https://codeswap.net/llm/rope-context-extension-calculator/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/rope-context-extension-calculator/</guid>
      <pubDate>Sat, 13 Jun 2026 13:04:27 GMT</pubDate>
      <description>Work out the RoPE scaling factor to extend a model context (linear, dynamic-NTK, YaRN) and get the rope_scaling config for transformers.</description>
    </item>
    <item>
      <title>GGUF Metadata Reader</title>
      <link>https://codeswap.net/llm/gguf-metadata-reader/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/gguf-metadata-reader/</guid>
      <pubDate>Sat, 13 Jun 2026 13:02:39 GMT</pubDate>
      <description>Drop a .gguf file and read its header — architecture, context length, layers, quantization, tokenizer. Parsed in your browser, nothing uploaded.</description>
    </item>
    <item>
      <title>MergeKit Config Generator</title>
      <link>https://codeswap.net/llm/mergekit-config-generator/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/mergekit-config-generator/</guid>
      <pubDate>Sat, 13 Jun 2026 12:38:21 GMT</pubDate>
      <description>Generate a valid mergekit YAML for SLERP, TIES, DARE, linear, task-arithmetic or passthrough model merges.</description>
    </item>
    <item>
      <title>LLM Download Size Calculator</title>
      <link>https://codeswap.net/llm/model-download-size-calculator/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/model-download-size-calculator/</guid>
      <pubDate>Sat, 13 Jun 2026 12:36:54 GMT</pubDate>
      <description>Estimate an LLM download size from parameters and GGUF quant (Q4_K_M, Q8_0, F16) using real bits-per-weight.</description>
    </item>
    <item>
      <title>Chat Template Formatter</title>
      <link>https://codeswap.net/llm/chat-template-formatter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/chat-template-formatter/</guid>
      <pubDate>Sat, 13 Jun 2026 12:35:07 GMT</pubDate>
      <description>Wrap a conversation into a model&apos;s exact prompt format — ChatML, Llama 3, Mistral, Gemma, Phi-3, Alpaca, Vicuna — with every special token shown.</description>
    </item>
    <item>
      <title>CSS Filter Playground (Blur, Brightness, Hue)</title>
      <link>https://codeswap.net/color/css-filter-playground/</link>
      <guid isPermaLink="true">https://codeswap.net/color/css-filter-playground/</guid>
      <pubDate>Sun, 31 May 2026 15:37:59 GMT</pubDate>
      <description>Live visual playground for the CSS filter property. Stack effects, copy declaration.</description>
    </item>
    <item>
      <title>README Badge Builder</title>
      <link>https://codeswap.net/markdown/readme-badge-builder/</link>
      <guid isPermaLink="true">https://codeswap.net/markdown/readme-badge-builder/</guid>
      <pubDate>Sun, 31 May 2026 15:37:51 GMT</pubDate>
      <description>Build shields.io badges for npm, GitHub stars, build status, license, etc.</description>
    </item>
    <item>
      <title>SVG Viewer</title>
      <link>https://codeswap.net/web/svg-viewer/</link>
      <guid isPermaLink="true">https://codeswap.net/web/svg-viewer/</guid>
      <pubDate>Sun, 31 May 2026 15:37:47 GMT</pubDate>
      <description>Paste SVG markup or load a file to preview it safely as an image, read its size, viewBox and element count, and export a PNG at any scale. In your browser.</description>
    </item>
    <item>
      <title>Lorem Picsum URL Builder</title>
      <link>https://codeswap.net/web/lorem-picsum/</link>
      <guid isPermaLink="true">https://codeswap.net/web/lorem-picsum/</guid>
      <pubDate>Sun, 31 May 2026 15:37:42 GMT</pubDate>
      <description>Build placeholder image URLs. Dimensions, blur, grayscale, seed.</description>
    </item>
    <item>
      <title>Meta Tag / OG Card Previewer</title>
      <link>https://codeswap.net/web/meta-tag-previewer/</link>
      <guid isPermaLink="true">https://codeswap.net/web/meta-tag-previewer/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>See how your page looks when shared on Twitter, Facebook, LinkedIn, Slack.</description>
    </item>
    <item>
      <title>QR Code Generator</title>
      <link>https://codeswap.net/web/qr-code-generator/</link>
      <guid isPermaLink="true">https://codeswap.net/web/qr-code-generator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Generate QR codes for URLs, text, wifi, contact cards. Download as PNG or SVG.</description>
    </item>
    <item>
      <title>robots.txt Tester</title>
      <link>https://codeswap.net/web/robots-txt-tester/</link>
      <guid isPermaLink="true">https://codeswap.net/web/robots-txt-tester/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Test whether a URL is allowed for a given user agent against a robots.txt.</description>
    </item>
    <item>
      <title>Schema.org JSON-LD Generator</title>
      <link>https://codeswap.net/web/schema-org-generator/</link>
      <guid isPermaLink="true">https://codeswap.net/web/schema-org-generator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Build Article, Product, FAQ, Breadcrumb, Organization JSON-LD blocks.</description>
    </item>
    <item>
      <title>Sitemap.xml Validator</title>
      <link>https://codeswap.net/web/sitemap-validator/</link>
      <guid isPermaLink="true">https://codeswap.net/web/sitemap-validator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Validate a sitemap.xml: schema, URL count, lastmod dates, priority ranges.</description>
    </item>
    <item>
      <title>URL Parser &amp; Builder</title>
      <link>https://codeswap.net/web/url-parser/</link>
      <guid isPermaLink="true">https://codeswap.net/web/url-parser/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Decompose a URL into protocol/host/path/query. Build URLs from parts.</description>
    </item>
    <item>
      <title>UTM URL Builder</title>
      <link>https://codeswap.net/web/utm-builder/</link>
      <guid isPermaLink="true">https://codeswap.net/web/utm-builder/</guid>
      <pubDate>Sun, 31 May 2026 15:34:17 GMT</pubDate>
      <description>Build UTM-tagged URLs for Google Analytics campaign tracking.</description>
    </item>
    <item>
      <title>JSON Merge Patch (RFC 7396)</title>
      <link>https://codeswap.net/json/json-merge-patch/</link>
      <guid isPermaLink="true">https://codeswap.net/json/json-merge-patch/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Apply RFC 7396 JSON Merge Patch operations. Useful for PATCH endpoints that take partial updates.</description>
    </item>
    <item>
      <title>JSON Schema Generator</title>
      <link>https://codeswap.net/json/json-schema-generator/</link>
      <guid isPermaLink="true">https://codeswap.net/json/json-schema-generator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Generate a JSON Schema (draft 2020-12) from a sample JSON document.</description>
    </item>
    <item>
      <title>ChatGPT / Claude Chat Exporter</title>
      <link>https://codeswap.net/llm/chatgpt-export-formatter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/chatgpt-export-formatter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Format a ChatGPT or Claude conversation export as Markdown, JSON, or HTML.</description>
    </item>
    <item>
      <title>Claude Pricing Calculator</title>
      <link>https://codeswap.net/llm/claude-pricing-calculator/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/claude-pricing-calculator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Estimate Anthropic Claude API cost. Opus / Sonnet / Haiku with prompt caching.</description>
    </item>
    <item>
      <title>Cosine Similarity Calculator</title>
      <link>https://codeswap.net/llm/cosine-similarity/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/cosine-similarity/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Compute cosine similarity between two vectors. Paste embedding vectors, get the score.</description>
    </item>
    <item>
      <title>DeepSeek Token Counter</title>
      <link>https://codeswap.net/llm/deepseek-token-counter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/deepseek-token-counter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Count tokens for DeepSeek-V3 and DeepSeek-R1 with cost estimates.</description>
    </item>
    <item>
      <title>Embedding Model Comparison Table</title>
      <link>https://codeswap.net/llm/embedding-models-table/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/embedding-models-table/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Compare every major embedding model: dimensions, max input, price, MTEB score.</description>
    </item>
    <item>
      <title>GPT-3.5 Token Counter</title>
      <link>https://codeswap.net/llm/gpt-35-token-counter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/gpt-35-token-counter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Token counter dedicated to GPT-3.5 Turbo. Uses cl100k_base tokenizer.</description>
    </item>
    <item>
      <title>GPT-4o Token Counter</title>
      <link>https://codeswap.net/llm/gpt-4o-token-counter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/gpt-4o-token-counter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Token counter dedicated to GPT-4o. Uses o200k_base tokenizer.</description>
    </item>
    <item>
      <title>GPT-5 Token Counter</title>
      <link>https://codeswap.net/llm/gpt-5-token-counter/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/gpt-5-token-counter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Token counter dedicated to GPT-5 / GPT-5 Mini / Nano. Uses o200k_base tokenizer.</description>
    </item>
    <item>
      <title>OpenAI Pricing Calculator</title>
      <link>https://codeswap.net/llm/openai-pricing-calculator/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/openai-pricing-calculator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Estimate OpenAI API cost for any GPT model. Per-call + monthly projection.</description>
    </item>
    <item>
      <title>Prompt Injection Scanner</title>
      <link>https://codeswap.net/llm/prompt-injection-scan/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/prompt-injection-scan/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Scan user input for common prompt-injection patterns: instruction overrides, jailbreaks.</description>
    </item>
    <item>
      <title>Prompt Token Cost Calculator</title>
      <link>https://codeswap.net/llm/prompt-token-cost/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/prompt-token-cost/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Compare what one prompt costs across every major model. Cached vs uncached pricing.</description>
    </item>
    <item>
      <title>Recursive Text Chunker (RAG)</title>
      <link>https://codeswap.net/llm/text-chunker/</link>
      <guid isPermaLink="true">https://codeswap.net/llm/text-chunker/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Split long text into overlapping chunks for embeddings. Configurable size and overlap.</description>
    </item>
    <item>
      <title>Regex Explainer</title>
      <link>https://codeswap.net/regex/regex-explainer/</link>
      <guid isPermaLink="true">https://codeswap.net/regex/regex-explainer/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Break down a regex into plain English. Explains each token, group, quantifier.</description>
    </item>
    <item>
      <title>Lorem Ipsum Generator</title>
      <link>https://codeswap.net/text/lorem-ipsum/</link>
      <guid isPermaLink="true">https://codeswap.net/text/lorem-ipsum/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Generate lorem ipsum or developer-themed placeholder text by paragraph, word, or list count.</description>
    </item>
    <item>
      <title>Unicode Inspector</title>
      <link>https://codeswap.net/text/unicode-inspector/</link>
      <guid isPermaLink="true">https://codeswap.net/text/unicode-inspector/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Inspect every code point in a string. Block, category, name, hex, decimal.</description>
    </item>
    <item>
      <title>Word &amp; Character Counter</title>
      <link>https://codeswap.net/text/word-counter/</link>
      <guid isPermaLink="true">https://codeswap.net/text/word-counter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Count words, characters, sentences, paragraphs, reading time.</description>
    </item>
    <item>
      <title>Favicon Generator</title>
      <link>https://codeswap.net/web/favicon-generator/</link>
      <guid isPermaLink="true">https://codeswap.net/web/favicon-generator/</guid>
      <pubDate>Sun, 31 May 2026 15:34:16 GMT</pubDate>
      <description>Upload an image, get favicon.ico + every size for iOS, Android, browser tabs.</description>
    </item>
    <item>
      <title>Conventional Commit Message Builder</title>
      <link>https://codeswap.net/code/conventional-commit-builder/</link>
      <guid isPermaLink="true">https://codeswap.net/code/conventional-commit-builder/</guid>
      <pubDate>Sun, 31 May 2026 15:34:15 GMT</pubDate>
      <description>Build properly-formatted Conventional Commit messages with type, scope, description, body, breaking flag.</description>
    </item>
    <item>
      <title>HTML Formatter / Beautifier</title>
      <link>https://codeswap.net/code/html-formatter/</link>
      <guid isPermaLink="true">https://codeswap.net/code/html-formatter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:15 GMT</pubDate>
      <description>Format and prettify HTML. Configurable indent, attribute wrapping.</description>
    </item>
    <item>
      <title>Semver Bumper (Calculate Next Version)</title>
      <link>https://codeswap.net/code/semver-bumper/</link>
      <guid isPermaLink="true">https://codeswap.net/code/semver-bumper/</guid>
      <pubDate>Sun, 31 May 2026 15:34:15 GMT</pubDate>
      <description>Calculate the next semantic version from current version + change type. Major / minor / patch / pre-release.</description>
    </item>
    <item>
      <title>SQL Formatter</title>
      <link>https://codeswap.net/code/sql-formatter/</link>
      <guid isPermaLink="true">https://codeswap.net/code/sql-formatter/</guid>
      <pubDate>Sun, 31 May 2026 15:34:15 GMT</pubDate>
      <description>Format SQL queries. Standard, T-SQL, PL/SQL, MySQL, PostgreSQL dialects.</description>
    </item>
    <item>
      <title>Color Palette from Image</title>
      <link>https://codeswap.net/color/color-palette-extractor/</link>
      <guid isPermaLink="true">https://codeswap.net/color/color-palette-extractor/</guid>
      <pubDate>Sun, 31 May 2026 15:34:15 GMT</pubDate>
      <description>Extract a 6-color palette from any image. k-means clustering in the browser.</description>
    </item>
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