Life & fun · February 21, 2026
See – searchable JSON compression (offline 10-min demo)
Hi HN, I’m building SEE (Semantic Entropy Encoding): a searchable compression format for JSON/NDJSON. Goal: reduce the “data tax” (storage/egress) and “CPU tax” (decompress/parse) by keeping JSON searchable while compressed, with page-level random access. I just published a proof-first evaluation release: Offline DEMO ZIP (~10 min): prints compression ratios + skip rates + lookup latency (p50/p95/p99) DD pack: audit/repro evidence (decode mismatch=0, extended mismatch=0, audit PASS) Latest release:…
What it does
In the maker’s words, at launch
Hi HN, I’m building SEE (Semantic Entropy Encoding): a searchable compression format for JSON/NDJSON. Goal: reduce the “data tax” (storage/egress) and “CPU tax” (decompress/parse) by keeping JSON searchable while compressed, with page-level random access. I just published a proof-first evaluation release: Offline DEMO ZIP (~10 min): prints compression ratios + skip rates + lookup latency (p50/p95/p99) DD pack: audit/repro evidence (decode mismatch=0, extended mismatch=0, audit PASS) Latest release: https://gitlab.com/kodomonocch1/see_proto/-/releases Direct DEMO ZIP: https://gitlab.com/api/v4/projects/79686944/packages/generic... OnePager is included in the release assets. I’d love feedback on: what workloads you’d try this on, and what integration path would make this compelling vs Zstd + external indexing.
Does the same job
all alternatives →- GPGojay – Performant JSON encoder/decoder for Golang2018 · github.com · ▲153
- HPHomogenius – Packer/unpacker to reduce the size of JSON2014 · homogenius.github.io · ▲58
- JDJSON Dive – A better online JSON viewerSep 2025 · jsondive.app · ▲6
We've all been there: you have some JSON data you need to make sense of, so you Google "json formatter" and end up at a site ridden with ads. I used to look at at lot of JSON (mostly log data) for $oldjob, so I set out to build something better. I know there are a lot of tools in this space, but I've put a lot of love into JSON Dive: things like Vim keyboard shortcuts to navigate, dark mode, timestamp/image previews, and multi-file-format-support (XML-in-JSON was a format I dealt with in the context of LLMs/tool calls). I've also made an effort to ensure it can handle large files,…
- PFPantry – Free JSON Storage for Personal Projects2020 · getpantry.cloud · ▲105
- AFA Fast, Malloc-Free C++14 Json Parser and Encoder2014 · github.com · ▲98
- ASa small weekendish project - JSON Blob2013 · jsonblob.com · ▲106
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