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Developer Tools

Fast browser-first utilities for developers, analysts, and technical teams.

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Featured tools

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Slug Generator

Paste a page or post title and get a URL-ready slug (lowercase, hyphens, no symbols). Unlimited basic conversions; AI suggests three SEO-optimized alternatives—free users get 3 AI runs/day, Pro is unlimited.

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Popular

JSON Formatter

Beautify JSON instantly and make payloads easier to read and debug.

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Popular

JSON Validator

Validate JSON syntax and catch payload errors instantly.

Developer ToolsOpen tool
Popular

HTML Formatter

Paste HTML to beautify with Prettier-style indentation or toggle minify for compact output—split input/output panes, character counts, copy, clear, and sample markup, all in your browser.

Developer ToolsOpen tool
Popular

XML Formatter

Paste XML to pretty-print with consistent indentation in a split view. The browser parser checks well-formedness first—clear errors if tags or quotes are broken—then copy output or load a sample. Character counts show before and after.

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CSV to JSON

Convert CSV rows into structured JSON for apps, scripts, and data workflows.

Developer ToolsOpen tool

About Developer Tools

Developer utilities tend to earn repeat usage because people need them in the middle of active work. ConvertPal groups the most practical ones into a fast, searchable category.

That creates a stronger topical cluster around JSON formatting, Base64 workflows, timestamps, markdown, CSV conversion, and common debugging needs.

All tools in developer tools

Popular

Slug Generator

Paste a page or post title and get a URL-ready slug (lowercase, hyphens, no symbols). Unlimited basic conversions; AI suggests three SEO-optimized alternatives—free users get 3 AI runs/day, Pro is unlimited.

Developer ToolsOpen tool
Popular

JSON Formatter

Beautify JSON instantly and make payloads easier to read and debug.

Developer ToolsOpen tool
Popular

JSON Validator

Validate JSON syntax and catch payload errors instantly.

Developer ToolsOpen tool
Popular

HTML Formatter

Paste HTML to beautify with Prettier-style indentation or toggle minify for compact output—split input/output panes, character counts, copy, clear, and sample markup, all in your browser.

Developer ToolsOpen tool
Popular

XML Formatter

Paste XML to pretty-print with consistent indentation in a split view. The browser parser checks well-formedness first—clear errors if tags or quotes are broken—then copy output or load a sample. Character counts show before and after.

Developer ToolsOpen tool
Popular

CSV to JSON

Convert CSV rows into structured JSON for apps, scripts, and data workflows.

Developer ToolsOpen tool
Popular

JSON to CSV

Convert JSON arrays into CSV rows for spreadsheets and exports.

Developer ToolsOpen tool
Popular

Base64 Encoder

Encode text into Base64 directly in the browser.

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Popular

Base64 Decoder

Decode Base64 strings instantly without sending data anywhere.

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Popular

URL Encoder / Decoder

Percent-encode or decode URLs and text for query strings, form values, and APIs—runs locally in your browser with copy buttons.

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Popular

JWT Decoder

Decode JWT headers and payloads locally in the browser.

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Popular

Unix Timestamp Converter

Convert Unix timestamps to readable dates and back instantly.

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Markdown to HTML

Render markdown into clean HTML output in real time.

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HTML to Markdown

Turn HTML blocks into markdown-friendly text for docs and publishing.

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How people use this category

Format payloads and validate structured data.

Convert between developer-friendly formats during implementation work.

Decode tokens, timestamps, and encoded strings quickly while debugging.

Popular in this category

Popular

JSON Formatter

Beautify JSON instantly and make payloads easier to read and debug.

Developer ToolsOpen tool
Popular

Slug Generator

Paste a page or post title and get a URL-ready slug (lowercase, hyphens, no symbols). Unlimited basic conversions; AI suggests three SEO-optimized alternatives—free users get 3 AI runs/day, Pro is unlimited.

Developer ToolsOpen tool
Popular

HTML Formatter

Paste HTML to beautify with Prettier-style indentation or toggle minify for compact output—split input/output panes, character counts, copy, clear, and sample markup, all in your browser.

Developer ToolsOpen tool
Popular

JSON Validator

Validate JSON syntax and catch payload errors instantly.

Developer ToolsOpen tool
Popular

XML Formatter

Paste XML to pretty-print with consistent indentation in a split view. The browser parser checks well-formedness first—clear errors if tags or quotes are broken—then copy output or load a sample. Character counts show before and after.

Developer ToolsOpen tool
Popular

CSV to JSON

Convert CSV rows into structured JSON for apps, scripts, and data workflows.

Developer ToolsOpen tool

FAQ

Many of them are designed to run directly in the browser, which keeps the workflow fast and privacy-friendly for lightweight tasks.

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Developer Tools - JSON, Base64, Timestamps, Markdown, and More