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Why Two Word Counters Give Different Numbers
Count words, characters, sentences & reading time instantly. Platform limits, SEO targets & the counting edge cases — from a developer. Free on toolz.dev.
Text Case Converter: How to Change Text Case Online (10+ Formats)
Convert text between camelCase, snake_case, kebab-case, PascalCase & more. Naming conventions by language, explained by a developer. Free on toolz.dev.
How to Count, Compare and Convert Text
Free online text tools for case conversion, word counting, diffing & placeholder text — 100% private, browser-based. Built by a developer, on toolz.dev.
Image Compression Guide: Reduce File Size Without Losing Quality
Compress images without losing quality — lossy vs lossless explained, why 80% is the magic number, and the resize-first workflow, free and in-browser.
Resize, Compress and Convert Images in the Browser
Resize, compress, convert & edit images free in your browser — no uploads, no Photoshop. A developer's practical guide to client-side image tools.
How to Compress PDF Files Without Losing Quality
Compress PDF files without losing quality, free and in-browser — how compression actually works, which level to pick, and the mistakes that ruin scans.
How to Merge PDF Files Online for Free (Step-by-Step Guide)
Merge PDF files online free, with no uploads — a step-by-step guide covering file ordering, page-count checks, and the merge mistakes that cost redos.
Free Online PDF Tools: The Complete Guide to PDF Editing (2026)
Merge, split, compress, rotate & organize PDFs free in your browser — no uploads, no Adobe. A developer's complete guide to client-side PDF editing.
JSON to CSV Conversion: 5 Methods Developers Use in 2026
Convert JSON to CSV five ways — online tool, JavaScript, Python, jq, spreadsheets — with real code and the nested-data traps that break each one.