PocketKit Blog
Practical browser tools, workflows and building for a global audience.
Canva Craft Workflow: AI Image Sizes, Compression and Publishing
A practical Canva Craft workflow from prompts and aspect ratios to WebP conversion, compression, EXIF cleanup and social publishing, based on its official 2K and multi-ratio capabilities.
MCP Tool Schema Conversion Guide: Claude, OpenAI & Gemini Function Calling
Compare MCP inputSchema, Claude input_schema, OpenAI tools[].function.parameters and Gemini functionDeclarations, with practical fixes for strict mode, required fields, additionalProperties and type casing.
College Student Digital Playbook: 7 Tools for GPA Planning, Thesis Formatting & ID Photos
A practical scene guide for university students: GPA calculation, thesis diff, ID photo formatting, screenshot beautification, and resume privacy protection.
How to Download Suno AI Music & TikTok Videos Without Watermark (Free 2026 Guide)
Comprehensive 2026 guide for downloading Suno AI music & TikTok media: lossless 320kbps MP3 extraction, 1080p lyric video generation, watermark-free MP4 saving, CapCut workflows, and copyright Fair Use rules.
AI Cost Optimization Guide: Cut LLM API Bills from $500 to $50/Month
4 practical strategies for reducing LLM API token costs: Model Routing, Prompt Caching discounts, Tokenizer optimization, and Tool Schema validation.
Beyond the Cloud: 7 Privacy-First In-Browser AI Tools
A practical review of 7 in-browser AI tools: WASM photo background removal, system prompt generator, token cost calculator, Claude risk checker, and AI game prompts.
Generative Engine Optimization (GEO): How to Get Cited by Perplexity & ChatGPT Search
A practical deep dive into Generative Engine Optimization (GEO) in 2026, covering high-citability TL;DR blocks, rich JSON-LD schemas, technical standard citations, and llms.txt integration.
Competitor Analysis: Why Zero-Server Processing Outperforms Smallpdf & iLovePDF
Benchmarking traditional cloud tools (Smallpdf, iLovePDF) against client-side WebAssembly architecture (PocketKit, IT-Tools) across security, latency, infrastructure costs, and performance limits.
Is Your PDF Safe? 3 Ways to Verify Online Tool Uploads
"We are safe" is an unfalsifiable claim. Use the offline test, the DevTools Network panel and resource-loading shape to verify for yourself whether any online tool uploads your files — plus how in-browser processing actually works, what it costs, and when cloud is the right call.
5 Silent SEO Failures in Vite SPA: A Post-Mortem
The build log said success while the generated HTML held nothing. A post-mortem of five silently failing spots in a Vite + React SPA — broken shell injection, a regex spanning records, shell-vs-runtime title conflicts, related links starving the long tail — plus a copy-paste build-output checklist.
AI Web Game Prompt Playbook: Build HTML5 Games
Treat your game-generation prompt like a mini PRD. An 8-part skeleton plus a full worked example for getting AI to generate a playable browser game in one shot.
Audit Browser Fingerprints & Avoid Claude Region Bans
A deep dive into Anthropic Claude frontend risk detection mechanisms, inspecting timezone-IP mismatches, WebGL GPU fingerprints, and how to run free client-side audits.
LLM API Token Cost: Claude vs GPT vs DeepSeek
Benchmarking LLM API input/output rates, Prompt Caching discounts, tokenizer efficiency, and simulating monthly expenditures.
Blog FAQ
How often are articles updated?
Articles are reviewed as browser standards, model APIs and tool behavior change.
May I cite these articles?
Yes for non-commercial technical citation with a link to the original page.
Can pricing and technical information be used directly for decisions?
Articles provide methods and verification paths. Prices, APIs and platform policies change, so check official sources before final decisions.