1. Match the task
Choose a focused tool instead of forcing one workflow to do several unrelated jobs.
Phase 11 · developer privacy
Developer & Security Utilities
18 online utilities for encoding, hashing, tokens, dates and inspection.
Base64 Text Encoder
Encode Unicode text as Base64 online.
Open toolBase64 Text Decoder
Decode Base64 into Unicode text.
Open toolURL Encoder
Percent-encode text for use in a URL.
Open toolURL Decoder
Decode percent-encoded URL content.
Open toolHTML Entity Encoder
Escape special HTML characters safely.
Open toolHTML Entity Decoder
Decode HTML entities as plain text.
Open toolSHA-256 Text Generator
Generate a SHA-256 digest with SHA-256.
Open toolHMAC-SHA256 Generator
Sign text with a secret key online.
Open toolUUID Generator
Generate cryptographically random UUID v4 values.
Open toolRandom Token Generator
Generate a 256-bit hexadecimal token.
Open toolJWT Decoder
Inspect a JWT header and payload in a readable structure.
Open toolUnix Timestamp Converter
Convert Unix seconds or an ISO date to downloadable and UTC time.
Open toolText to Hex
Encode Unicode text into hexadecimal bytes.
Open toolHex to Text
Decode hexadecimal bytes into Unicode text.
Open toolJSON String Escaper
Escape text as a valid JSON string value.
Open toolJSON String Unescaper
Decode a quoted JSON string safely.
Open toolHEX RGB HSL Converter
Convert a HEX colour into RGB and HSL values.
Open toolPassword Strength Checker
Estimate password strength using length and character variety.
Open toolTopic guide
How to choose from Private Developer and Security Tools
Encode, decode, hash, inspect JWTs and generate secure values online with standard processing. Start from search intent: identify the input you have, the result you need and whether quality, compatibility, privacy or speed matters most.
2. Check capability
Read supported inputs, outputs and format limitations before processing important content.
3. Verify the result
Preview or open the download, compare it with the original and keep a backup.
Topical coverage
This cluster contains 18 working tools, including the following common intents.
Base64 Text Encoder
Encode Unicode text as Base64 online.
OpenBase64 Text Decoder
Decode Base64 into Unicode text.
OpenURL Encoder
Percent-encode text for use in a URL.
OpenURL Decoder
Decode percent-encoded URL content.
OpenHTML Entity Encoder
Escape special HTML characters safely.
OpenHTML Entity Decoder
Decode HTML entities as plain text.
OpenSHA-256 Text Generator
Generate a SHA-256 digest with SHA-256.
OpenHMAC-SHA256 Generator
Sign text with a secret key online.
OpenExperience and trust signals
- Each listed page contains a functioning interactive tool
- Published capability claims are checked against the implemented tool and test results
- Limitations are stated instead of promising impossible compatibility
- Tool pages link to related workflows and practical next steps
Reviewed 2026-08-27 · UAE PDF Product Team
Category FAQ
What are Private Developer and Security Tools?
Private Developer and Security Tools are focused online utilities for developer tasks. Encode, decode, hash, inspect JWTs and generate secure values online with standard processing.
Are these developer tools free?
Yes. Public online tools are free, require no signup and do not have an account-based processing quota.
Which tool should I choose?
Choose the page whose accepted input and expected output match the result you need.
Why can results differ?
Source format, dimensions, file complexity and selected options can change the final result. Each tool documents relevant limits.
Where should I start?
Choose the tool that matches the intended output, test with one input, review the result and then continue with a larger batch.
Ready to complete the task?
Open a tool above, or use the private workspace to search and save useful pages.