Yueseryueser.com

Tools that solve things in your browser

Tools that run entirely in your browser — no uploads, no sign-up, no watermarks.

45Planned

45Live

5Categories

No matching tools.

Image tools

9 available / 9

Convert, compress, resize — no uploads, all local

HEIC to JPGReady

Batch-convert iPhone photos to JPG, downloadable as a ZIP

Compress imagesReady

Adjust quality and size to shrink files with almost no visible difference

PNG to JPGReady

Drop the alpha channel and convert to a standard JPG

WebP ConverterReady

Convert between WebP and JPG / PNG

Resize imagesReady

Resize in bulk by pixels or percentage

Long image stitchingReady

Stitch screenshots into one long image, with direction and spacing options

SVG to PNGReady

Export vectors as bitmaps, with an optional scale factor

Crop imagesReady

Crop by dragging a box, or crop to a ratio

Add watermark to imagesReady

Add text watermarks in bulk, with adjustable position and opacity

PDF Tools

9 available / 9

Merge, split, rotate — your documents never leave your device

Combine several PDFs into one, in any order

Split into multiple files by page or by range

Rotate PDFReady

Fix scan orientation

PDF to ImageReady

Export each page as an image

JPG to PDFReady

Turn photos into a single document

Extract/Delete PagesReady

Keep or delete selected pages into a new file

PDF Page NumbersReady

Add page numbers in bulk and set the position

Page count, size, metadata, fonts

PDF WatermarkReady

Full-page watermark and opacity

Text tools

9 available / 9

Count, convert, compare — no network needed

Word countReady

Separate Chinese/English counts, paragraphs and reading time

Change caseReady

UPPERCASE, lowercase, Capitalized, camelCase

Text dedupeReady

Dedupe lines while keeping the order

Markdown PreviewReady

Render live and copy the HTML

Find the differences between two texts, line by line

Remove line breaksReady

Merge paragraphs and clean up extra whitespace

Sort by letter or length, with optional dedupe

Find and replace in bulkReady

Regex supported, with a live match count

Text escapingReady

Escape special characters for JSON / HTML / SQL

Developer tools

9 available / 9

Debug and format, entirely front-end with no server requests

JSON FormatterReady

Beautify, minify, check where syntax errors are

Base64 Encode / DecodeReady

Convert text and files to and from Base64

URL Encode / DecodeReady

Escape and unescape query parameters

Timestamp converterReady

Convert between Unix timestamps and dates, across time zones

MD5 / SHA-1 / SHA-256 Computed Locally

UUID GenerationReady

Generate v4 UUIDs in bulk

JWT DecoderReady

Inspect header / payload / expiry

Regex testerReady

Highlight matches and groups in real time

Cron ExpressionReady

Explain a crontab and calculate the next run times

Calculator

9 available / 9

Everyday and money calculations, with instant results

BMI CalculationReady

BMI and range check

Loan calculationReady

Equal payment vs. equal principal

Unit converterReady

Length, weight, temperature, area

Age calculatorReady

Accurate to the day, including the next birthday

Date differenceReady

Days/weeks between two dates

Percentage calculationReady

Percentage change, share, discounted price

Convert between original price, discount, and final price

Hourly rate converterReady

Monthly / hourly / annual package converter

Tax EstimateReady

Estimate monthly income tax with the cumulative withholding method