CodeKitHub#comparison
"No upload, 100% private" — we checked what actually happens on the network
Dozens of free image tools advertise "no upload" and "100% private, runs in your browser." We tested four of them by watching the Network tab during a real file upload, and show you the exact method to check any tool yourself.
We checked what RNG popular password generators actually use — some use Math.random()
LastPass and 1Password's own free web password generators call JavaScript's Math.random() instead of the cryptographically secure crypto.getRandomValues() — verified by instrumenting the page, not guessing. Here's what that does and doesn't mean.
Free PDF tool file-size limits, actually checked (iLovePDF, Smallpdf, and why nobody agrees)
The big free PDF sites don't publish a clear free-tier file-size limit, and the third-party blogs that claim to know disagree with each other — one says Smallpdf's free cap is 15 MB, another says 100 MB. Here's what's actually on the record, and why client-side tools sidestep the question entirely.
Cheapest LLM API in 2026: full pricing comparison, 19 models
OpenAI, Anthropic, Google, DeepSeek, Qwen, Kimi, GLM and Grok, ranked from cheapest to most expensive on a blended per-token cost. The price gap between the cheapest and priciest model is over 60x.