URLsafe base64 encoding/decoding in two lines. A much better solution than my base65 hack—if you understand how base64 padding works (I didn’t) you can use it to generate URL-safe compressed hashes. Performance should be significantly better than my version.
Recent articles
- The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
- Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
- LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025