TPS505TOOLS
Fast, free tools for developers and professionals. Everything runs in your browser — no accounts, no data collection, no nonsense.
23 Tools Available
JSON Formatter
Format, validate, and minify JSON data instantly in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plaintext.
Password Generator
Generate cryptographically secure passwords with custom rules.
QR Code Generator
Generate QR codes for any URL or text. Download as PNG or SVG.
Regex Tester
Test and debug regular expressions with live match highlighting.
JWT Decoder
Decode and inspect JSON Web Tokens — header, payload, claims, and expiry status.
Aspect Ratio Calculator
Calculate missing dimensions, lock ratios, and compare common display sizes.
Chmod Calculator
Linux file permission calculator — symbolic ↔ numeric (octal).
JSON → XML
Convert JSON to formatted XML and back — bidirectional with custom root element.
JSON → CSV
Convert JSON arrays to CSV with column selection, reordering, and delimiter options.
Markdown Previewer
Live markdown editor with rendered preview and HTML export.
Colour Converter
Convert colours between HEX, RGB, HSL, HSV, and CMYK with a live picker.
Case Converter
Convert text between camelCase, snake_case, PascalCase, kebab-case, and more.
Number Base Converter
Convert numbers between binary, octal, decimal, and hex — live as you type.
UUID Generator
Generate UUID v4 in bulk with formatting options — standard, no hyphens, uppercase, or braces.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or a file.
Diff Checker
Compare two blocks of text side-by-side with line-level highlighting.
Cron Builder
Build cron expressions visually with plain-English explanation and next-run preview.
Meeting Timezone Planner
World clock and meeting planner with a live day/night map, working hours overlay, and best-time finder.
App Icon Sizer
Upload one image and generate all required iOS and Android app icon sizes.
Percentage Calculator
Three percentage calculators: X% of Y, what % is X of Y, and % change from X to Y.
Unit Converter
Convert between units of length, weight, temperature, data, speed, time, and area.
CSV Checker
Analyse CSV files of any size — column stats, unique values, and missing data at a glance.