All the tools you need, in one place.

Fast, privacy-focused, 100% client-side web utilities for developers and digital professionals. Zero latency, zero logs, zero cookie analytics.

Developer Utilities

Data parsing, formats & tokens

JSON Suite

Format, validate, parse XML, or diff-compare complex JSON objects.

JSON to CSV

Flatten complex, nested JSON arrays or objects into standard tabular CSV formats instantly.

Web Tokens

Decode JWT payloads, encode/decode Base64 and URLs instantly.

Crypto / Hashing

Generate MD5, SHA-256, and secure Bcrypt hashes directly in-browser.

Swagger Previewer

Render YAML to interactive API docs in real time.

Text & String Tools

Diff checkers & syntax testing

Diff Checker

Compare raw text blocks side-by-side to highlight character changes.

Regex Tester

Write and evaluate regular expressions with real-time matching.

Case Converter

Convert text between UPPER, lower, camelCase, snake_case with real-time counters.

Math & Finance

Calculators, times & scales

Percentage Calculator

Quickly solve multi-variation percentage formulas on the fly.

Epoch Converter

Convert Unix timestamps to human-readable calendar dates.

Unit Converter

Convert data bytes, lengths, weights, and file capacities.

Document & File Utilities

File conversions & formatting tools

Document Converter

Convert Word documents (.docx) to PDF and PDF documents to Word (.docx) formats.

Related Utilities

JSON Suite WorkstationFormat

JWT Token DecoderSecurity

Word to PDF ConverterConverter

Unix Epoch ConverterConverter

Did You Know?

ApexToolHub executes all utility conversions, hashing computations, and file parsings locally in your browser workspace. No document bytes ever traverse the network.

Newsletter & Updates

Be notified when we publish new client-side security tools and code formatting features.