Office Tools

All-in-one PDF toolkit: compress, encrypt, merge/split, watermark, to image/text

Merge images into one PDF: A4 / Letter / fit-to-image, auto orientation, margins and background, all processed locally

All-in-one text toolkit: diff, count, case, dedupe, replace, markdown, sort, reverse, slug

Render Markdown to HTML in real time, with export and one-click copy

Convert HTML to Markdown in one click: headings, lists, tables, code blocks and links, all processed locally

All-in-one image toolkit: compress, resize, crop, rotate, convert, base64, EXIF, colors

Remove image backgrounds online: auto-detect the backdrop colour, keep the subject, tune tolerance and feathering, strip white halos and swap in a new solid colour, export transparent PNG locally

All-in-one sheet toolkit: CSV ↔ Excel locally

All-in-one JSON toolkit: format, validate, minify, YAML and CSV conversion

Online scientific calculator: arithmetic, parentheses, powers and common math functions like sin/cos/tan/√/log/ln, with live results

Proportion, percent change, and percent of a number in one tool

Convert between length, weight, temperature, area, volume units

Convert between byte, KB, MB, GB, TB file size units

AI email writer: enter key points and pick a tone to generate a complete email with subject, body and signature placeholder

AI meeting minutes generator: paste meeting notes to get structured minutes with key decisions, action items and open questions, in brief or detailed style

AI weekly report generator: paste your weekly bullet points and get a structured report (done/highlights/issues/next week), adjustable tone

AI Chinese-English translator with auto direction detection and business, casual, academic, literary styles

AI text summarizer: distill long text into key points with brief, standard or detailed lengths, Chinese/English output

AI copy polisher: rewrite drafts in formal, friendly, concise or literary styles

AI customer-service replies: paste the customer message and pick a scenario to generate a polite, sincere reply — pre-sales, shipping, bad-review, payment reminder and after-sales

AI resume optimizer: paste your resume and optimize it for your target role with full rewrite, wording polish, STAR structure or quantified results

All-in-one date toolkit: date difference and date add/subtract

View real-time clocks for major global cities

Convert time between different timezones

Set a target time for countdown, fullscreen supported

Convert between Unix timestamp and datetime

Calculate salary, social insurance and personal income tax

Convert between CNY, USD, EUR and other major currencies

Calculate mortgage monthly payment, interest and repayment plan

Calculate discounted price, supports percentage and fixed discounts

Convert Arabic numbers to Chinese capital figures — amount and plain number modes

All-in-one barcode/QR toolkit: generate and read