Developer tools

Browse all tools in the "Developer tools" category and subcategories.

Encode & decode

Base64 Encode / Decode Tool (lazesoftware.com)

Encodes and decodes text or files in Base64 format. Supports files up to 5MB and an optional RFC 2045 line-break setting (76 characters with CRLF).

Developer tools

Case Style Converter (lazesoftware.com)

Converts between space-separated, camelCase, PascalCase, snake_case, and kebab-case naming conventions. A developer utility for quickly switching identifier styles.

Encode & decode

data URI Converter (lazesoftware.com)

Encodes files to data URI format or decodes data URIs back to files. Supports any file type up to 5MB, with automatic or manual MIME type specification and configurable newline handling for HTML and CSS use cases.

Dummy data

Dummy Image Generator (lazesoftware.com)

Creates placeholder images for mockups in PNG, WebP, JPEG, GIF, BMP, or SVG format. Supports sizes up to 4096×4096px with customizable background patterns, filters, transparency, borders, and text overlays with multilingual font support.

Playground

Font Comparison Tool (lazesoftware.com)

A font comparison tool for finding the right font. Supports Windows 11 built-in fonts, locally installed fonts, and custom font files (TTF, OTF, WOFF, WOFF2). Customize preview with size, style, weight, alignment, and colors.

Hash calculation

Hash Calculator (lazesoftware.com)

Calculates hash values using over 30 algorithms including MD5, SHA-1, and SHA-256. Supports HMAC mode and accepts text or files up to 5MB as input.

Formatting

JSON Formatter (lazesoftware.com)

Formats JSON text into a readable form (Pretty Print / Beautify). Supports JSON5, Minify, configurable indentation (2 spaces, 4 spaces, or tab), and files up to 5MB. All processing runs locally without server transmission.

Formatting

JSON ⇔ YAML Converter (lazesoftware.com)

Converts between JSON and YAML formats. Supports files up to 5MB, configurable indentation (2 spaces, 4 spaces, or tab), Minify, clipboard copy, and download. All processing runs locally without server transmission.

Developer tools

QR Code Generator (lazesoftware.com)

Generates QR codes from any text or URL, including emoji. Supports customization of background color, foreground color, size, margin, and error correction level.

Dummy data

String Generator (lazesoftware.com)

Generates test strings of specified character types and lengths. Supports alphabets, numbers, symbols, Japanese, and emoji, plus string conversions (encoding, HTML escaping) and row-based processing (sort, shuffle, deduplication).

Encode & decode

URL Encode / Decode Tool (lazesoftware.com)

Encodes and decodes text using URL encoding (percent-encoding). Supports RFC 3986 (spaces as %20) and form encoding (spaces as +) methods.

Code generation

Bookmarklet Button (www.piliapp.com)

An online tool to create bookmarklet buttons from JavaScript code. Convert any JavaScript snippet into a draggable bookmarklet link for quick browser access.

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