Learn

Guides

How to get more from private, browser-side tools.

Redact & compress PDFs without uploading

Privacy-first PDF workflow with receipts.

Compress PDF without uploading

Step-by-step private PDF compression.

JSON → API recipe

Format, minify, and Base64-encode in one private chain.

Debug JWT in your browser

Decode, inspect, and verify tokens locally.

Debug HAR without uploading

Summarize, curl convert, redact secrets.

OpenAPI → Postman locally

Keep API specs on-device.

GitOps manifest diff

Inspect and diff K8s YAML privately.

Ship AI prompts safely

Cost, tokens, PII, templates.

Redact PII in the browser

Detect PII and scrub secrets locally.

How privacy receipts work

Prove processing stayed on-device - verifiable JSON.

Verify webhook signatures

Stripe, GitHub, Slack HMAC - locally.

LLM token cost comparison

GPT vs Claude vs Gemini pricing.

Blog

Long-form privacy-first guides with TOC and tool links.

Compare OneDevToolkit

vs IT Tools, DevToys, CyberChef, TinyWow, and more.

Workflow hubs

JWT, PDF privacy, JSON/API, GitOps, AI.

Learn topics

Long-term topical clusters.

Converter hubs

Image, JSON, and PDF converter collections.

OneDevToolkit vs TinyWow

Why client-side processing matters.

vs CyberChef

Recipe Studio for everyday web/dev jobs.

vs SmallSEOTools

Verified privacy vs tool-farm SEO.

vs CodeBeautify

Formatters plus recipes and receipts.

OneDevToolkit vs iLovePDF

When privacy beats cloud PDF suites.

OneDevToolkit vs Smallpdf

Browser-local PDF vs cloud freemium.

OneDevToolkit vs PDF24

Private PDF utilities comparison.

OneDevToolkit vs ILoveIMG

Private image compress & convert.

vs Transform.tools

Converters plus workflow depth.