Every kind of tool, explained.

The daily driver set for engineers: format and validate data, decode tokens, hash strings, test patterns and tidy up queries — all client-side. JSON, encoding, hashing, regex, SQL and everyday developer utilities.

Everything you need for images in one place — squeeze file sizes, switch formats, resize for social platforms and clean up metadata. Compress, convert, resize and edit images without uploading them.

Handle PDFs the quick way — reorganise pages, convert to and from other formats, lock or unlock files and extract the text you need. Merge, split, convert, protect and edit PDF documents.

Convert, compare and clean the documents you send every day — Word, spreadsheets, Markdown and plain text. Word, Excel, CSV and everyday document conversion helpers.

Creator-first utilities for planning, publishing and analysing YouTube content — built around metadata and analysis, not downloads. Titles, tags, thumbnails, transcripts and channel analysis.

Write, clean and analyse text faster. Count anything, switch case, strip the junk out of pasted copy and compare two drafts. Counters, case converters, cleaners, generators and comparisons.

AI helpers for drafting, rewriting, summarising and explaining — free to try, with fair usage limits as the category grows. Writing, coding, document and video assistants.

Accurate everyday maths — loans, taxes, percentages, body metrics and every unit conversion you can think of. Finance, health, units, currency and everyday maths.

The bridge between developer and document work — move data between formats and inspect files before you ship them. CSV, XML, YAML conversion plus file inspection helpers.

Ship better pages and understand them — generate the markup search engines want and audit what you already published. Meta tags, schema, sitemaps and page analysis.

Practical, defensive security utilities that run locally — strong secrets, hashes and quick checks on what you already run. Password generators, hashes, tokens and certificate checks.

Crypto maths, wallet validation and Solidity-friendly developer utilities — plus shareable views for addresses and transactions. Wallets, gas, ABI decoding and on-chain lookups.

Work out dates and times without a spreadsheet — differences, business days, timezone comparisons and Unix timestamps. Timestamps, timezones, durations and countdowns.

Color and design utilities for makers — pick, convert and pair colors, then copy production-ready CSS. Palettes, contrast, gradients and color conversion.

Publish faster on social — correct image sizes, character limits and copy helpers for Instagram, LinkedIn and more. Sizes, captions, hashtags and bios for every platform.

Small-business paperwork and numbers — generate the documents you send and sanity-check the numbers behind them. Invoices, quotes, margins and team maths.