✏️ Latest scribble · September 12, 2026
Unicode Escape: uXXXX Sequences, Encoded and Decoded
uXXXX conversion.
Read this postThe PrimeFreeTools blog
Guides, walkthroughs and tool news. Every post is filed under the tool or topic it belongs to.
Sep 12, 2026
Frequency Converter: Hz, kHz, MHz, and GHz at a Glance
Hz, kHz, MHz, and GHz.
Read postSep 12, 2026
Pressure Converter: PSI, Bar, Pascal, and Atmosphere
PSI, Pascal, Bar, and Atmosphere.
Read postSep 12, 2026
Speed Converter: mph, km/h, Knots, and m/s in One Click
mph, km/h, knots, and m/s, converted.
Read postSep 12, 2026
Data Storage Converter: GB vs GiB and the 1000-vs-1024 Fight
Bytes, KB, MB, GB, TB in one click.
Read postSep 12, 2026
ASCII Lookup: The 128 Characters Everything Agrees On
Searchable reference for character code numbers.
Read postSep 12, 2026
URL Encoder: Percent-Encoding for Safe Links, Explained
Escape or unescape special characters for URLs.
Read postSep 12, 2026
Text to Hex: Encode Characters as Byte Pairs
Encode regular text as hexadecimal.
Read postSep 12, 2026
Text to Binary: Why “Hi” Is 01001000 01101001
Encode any text as raw binary code.
Read postSep 12, 2026
Hex to Text: Decode 48656C6C6F Back to Hello
Translate hex codes into plain human text.
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