# DevTools - MD5&SHA1&URL&JSON — ASCII,Base64 Encode/Decode

> Developer utility for hashing, encoding, decoding, and data format conversion. (iPhone/iPad app by 俊锋 仝.)

- Source: https://appshunter.io/ios/app/devtools-md5-and-sha1-and-url-and-json/id1459338553 (this page in markdown: same URL + `.md`)
- Developer: [俊锋 仝](https://appshunter.io/developer/1209824000)
- Category: Productivity, Utilities
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 4 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2019-04-11
- Data updated: 2026-08-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/devtools-md5-and-sha1-and-url-and-json/id1459338553/reviews.md

## What is DevTools?

The DevTools provides some transcoding features that are often used during development.

Features:

1. MD5 / MD4 / MD2 encoding
2. SHA1 / SHA224 / SHA256 / SHA384 / SHA512 encoding
3. Base64 decoding / encoding
4. URL decoding / encoding
5. JSON / XML format interchange
6. Binary conversion.
7. Image encode/decode (Base64).
8. File Reader(HEX).
9. ASCII Table.
10. Escape Characters Table.
11. Content-Type Tables.

## Key features

- MD5, MD4, MD2 encoding
- SHA1, SHA256, SHA512 encoding
- Base64 encode/decode
- URL encode/decode
- JSON/XML format interchange
- Binary conversion
- ASCII and Escape Characters Tables

## Chart rankings

- #184 in Top Paid · Productivity (US App Store)


## Frequently asked questions about DevTools

### What hashing algorithms does DevTools support?

DevTools supports MD5, MD4, MD2, SHA1, SHA224, SHA256, SHA384, and SHA512 encoding. This comprehensive set covers most common hashing needs for developers.

### Can DevTools handle Base64 and URL encoding/decoding?

Yes, DevTools offers robust Base64 decoding and encoding, as well as URL decoding and encoding functionalities. These are crucial for web development and data transmission.

### Does DevTools help with JSON and XML data?

Absolutely. DevTools facilitates JSON and XML format interchange, allowing for easy conversion and manipulation of these structured data formats. This is invaluable for API interactions and configuration files.

### What reference tables are included in DevTools?

DevTools includes an ASCII Table, Escape Characters Table, and Content-Type Tables. These provide quick lookups for common developer references directly within the app.

### Is DevTools available on Android devices?

Based on the provided data, DevTools is currently supported on iPhone and iPod. Information regarding Android compatibility is not available.

### How often is DevTools updated?

The latest version of DevTools was released on June 2, 2024, indicating recent development activity. The app was initially released on April 11, 2019.

### What is the price of DevTools?

DevTools is a paid application priced at $0.99. This one-time purchase grants access to all its developer utility features.

### Does DevTools have ads?

No, DevTools does not contain advertisements. As a paid application, it offers an ad-free experience for its users.

## Version history (last 5 releases)

### 1.4.1 — 2024-06-02

Fix bugs.

### 1.4 — 2021-03-13

Fix Bugs.

### 1.3 — 2019-07-10

Image encode/decode (Base64).
File Reader(HEX).

### 1.2 — 2019-06-11

Binary conversion

### 1.1 — 2019-05-13

Add ASCII, Escape Characters, Content-Type tables.
MD5, SHA1 add HAMC KEY.

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## More apps by 俊锋 仝

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- [Kantu - Image viewer](https://appshunter.io/ios/app/kantu-image-viewer/id1458706066)

All apps by 俊锋 仝: https://appshunter.io/developer/1209824000

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*