About this app
DevToolkit SE is a collection of various tools that can be useful during application development. It includes utilities for encoding and decoding Base64, Base32, Hex, and QR, tools for testing regular expressions, validating and formatting JSON, and generating data models based on JSON. It also features a text diff utility, a tool for recognizing text from images (OCR), generators for numbers, dates, strings, placeholder images, and lorem ipsum text. Additionally, it provides a tool for removing image metadata, an image joining tool, and converters for dates, numbers, and strings. DevToolkit SE includes hash calculation tools including SHA256, SHA512, and checksum generators including CRC32 for both text and files, along with many other utilities. All of these tools work offline, allowing you to work quickly and securely. DevToolkit SE brings together the utilities you need most in one toolkit.
Latest release
What’s New
Minor bug fixes.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 1:50 PM Free
Screenshots
