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TASK WORKFLOW

Free Developer Tools Workflow

Handle everyday debugging and data-prep tasks without opening a heavy IDE extension.

This workflow is built for frontend developers, backend engineers, DevOps teams, QA testers, and technical support teams. It links only to FastTool pages that pass the current review-public quality gate, so every listed tool has a working interface, supporting content, and clear limits.

Recommended Tool Order

STEP 1

JSON Formatter & Validator

Format, minify, and validate JSON with syntax highlighting, tree view, JSON path on click, error detection with line/column, stats, and file upload/download.

  • indent selector: 2 spaces, 4 spaces, or tab
  • minify with size savings
  • syntax highlighting: keys blue, strings green, numbers orange
Open JSON Formatter & Validator

STEP 2

Regex Tester

Test regex patterns with real-time match highlighting, capture groups, replace mode, and a built-in cheatsheet.

  • Real-time match highlighting
  • Capture group display
  • Replace mode with preview
Open Regex Tester

STEP 4

Regex Cheat Sheet

Interactive regex quick-reference with live test area — learn and test common patterns instantly.

  • clickable pattern examples
  • live test area
  • anchors and quantifiers
Open Regex Cheat Sheet

STEP 5

Base64 Encode/Decode

Encode and decode Base64 with text mode, file mode, image-to-Base64 data URI, Base64-to-image preview, URL-safe variant toggle, live conversion, character count, and download support.

  • bidirectional encode and decode toggle
  • text mode with live conversion as you type
  • file mode with drag-and-drop: encode and decode binary files
Open Base64 Encode/Decode

STEP 6

URL Encode/Decode

Encode and decode URLs with full URL parser showing protocol, host, path, query params, and fragment. Query string builder, bulk mode, encodeURI vs encodeURIComponent toggle, and live conversion.

  • bidirectional encode and decode with stats
  • full URL parser: protocol, host, path, query params, fragment with click-to-copy per component
  • query string builder with live URL generation and parameter count
Open URL Encode/Decode

STEP 7

JWT Decoder

Decode and inspect JWT tokens with color-coded header, payload, and signature sections. Check expiry status, verify HMAC-SHA256 signatures, and explore common JWT claims.

  • Auto-decode on paste/type
  • Color-coded JWT sections (header, payload, signature)
  • Token expiry status with human-readable dates
Open JWT Decoder

STEP 8

Hash Generator (SHA/MD5)

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes for text or files. HMAC mode, compare hashes, drag-and-drop file hashing, uppercase/lowercase toggle.

  • MD5, SHA-1, SHA-256, SHA-384, SHA-512 algorithms
  • Generate all hashes simultaneously
  • HMAC mode with secret key
Open Hash Generator (SHA/MD5)

STEP 9

UUID Generator

Generate UUID v4 with bulk generation (1-100), format options (standard, uppercase, no dashes, Base64), UUID validator with version detection, click-to-copy, download as TXT, and generation history.

  • generate UUID v4 via crypto.randomUUID
  • bulk generate 1 to 100 UUIDs with slider control
  • format options: standard, uppercase, no dashes, braces, base64
Open UUID Generator

STEP 11

SQL Formatter & Beautifier

Format, beautify, and minify SQL queries with syntax highlighting, keyword uppercasing, nested query indentation, and common SQL templates.

  • SQL syntax highlighting: keywords blue, strings green, numbers orange, comments gray
  • automatic keyword uppercasing
  • nested subquery indentation
Open SQL Formatter & Beautifier

STEP 13

HTML Beautifier & Formatter

Beautify and format messy or minified HTML with syntax highlighting, line numbers, and size stats — paste, upload, or drop an .html file and get properly indented, readable code.

  • configurable indentation: 2 spaces, 4 spaces, or tab
  • syntax highlighting: tags (blue), attributes (green), values (orange), comments (gray)
  • line numbers in output panel
Open HTML Beautifier & Formatter

How to Use This Workflow

  1. Normalize the input first so errors are easier to reason about.
  2. Decode or encode only the smallest snippet needed for the task.
  3. Use throwaway values when testing credentials, tokens, or secrets.
  4. Copy the final output into source control only after reviewing it in context.

Search Intent Covered

People usually arrive at this page with a specific job to finish, not to browse a directory. This hub is structured around the searches below and points each task to a working tool.

  • developer tools online
  • regex tester
  • base64 decoder
  • jwt decoder
  • uuid generator

Quality Notes

These workflow pages are generated from the same review-public tool list used by the sitemap, homepage, tool sidebars, and command palette. If a tool is policy-sensitive or needs a deeper manual audit during review, it is not promoted here.