Free utilities · runs in your browser · optional AI with strict limits
Free online tools — fast & privacy-friendly
Browse by category below—format converters, writing helpers, study tools, generators, and more. Non-AI tools run entirely in your browser.
Data & format converters
JSON, CSV, YAML, XML, Base64, URLs, Markdown, and PDF export—everything stays in your browser except PDF rendering.
Text & writing
Word counts, case styles, lorem ipsum, citations, similarity highlights, and diffs for drafts and homework.
Study & math
Pomodoro timer, GPA and grade targets, percentages, quadratics, statistics, and age helpers.
Generators
UUIDs and secure passwords using Web Crypto.
Images
Resize, convert formats, and encode images to Base64—all processed locally in your browser.
Dev, color & units
Colors, radixes, timestamps, and everyday unit conversions.
Developer tools
Regex, JWT, cron, hashing, HTML entities, SQL formatting, permissions, HTTP reference, and JSONPath—browser-only.
Money & work
VAT/tax-style splits and salary period conversions.
Sales & business
Commission tiers, discounts, ROI, break-even, lead scoring, tax, invoices, and margin math.
Project estimation
Story points, PERT, sprint capacity, timelines, burn rate, quoting, and function points.
Hybrid (AI-assisted)
AI helps draft content; still rate-limited and review before you send.
AI tools
Summaries and code explanations with strict daily limits.