How to Convert Images in Bulk (Hundreds at Once, Free)
Converting images one at a time is a waste of an afternoon. Here's how to convert, compress or resize a whole folder at once and download everything as a single ZIP.
Step-by-step guides, tutorials, and insights on file conversion, image compression, PDF tools and more.
Converting images one at a time is a waste of an afternoon. Here's how to convert, compress or resize a whole folder at once and download everything as a single ZIP.
Add your signature to a PDF in your browser — draw it, type it, or upload a photo of it. No printing, no scanning, and your document is never uploaded.
Enlarge a small or low-resolution photo 2x or 4x. Here's the difference between fast upscaling and AI upscaling, and which one to use for your image.
Cut out the background of a photo in seconds using AI that runs inside your browser. No account, no watermark, and your image is never uploaded anywhere.
Most free background removers watermark the result, cap your downloads, or upload your photos to their servers. Here's what to look for, and which trade-offs actually matter.
Batch conversion used to mean desktop software or a command line. Here's how to convert hundreds of images, PDFs and documents in a browser tab — and when you still need a real program.
Need a PDF under a specific size for an email or upload limit? Here's how to compress a PDF down to 100KB, 200KB, 500KB or 1MB for free.
Online forms and government portals often demand a photo under 20KB, 50KB or 100KB. Here's how to reduce your image size to an exact KB target for free.
Kruti Dev is a legacy ASCII font, so its Hindi text breaks when shared. Here's how to convert Kruti Dev to Unicode (Mangal) for free, in both directions.
Preeti text turns to gibberish when you share it because Preeti is an ASCII font, not Unicode. Here's how to convert Preeti to Unicode Nepali for free in seconds.
Old South Asian documents are trapped in legacy ASCII fonts that break when shared. Here's what legacy fonts are, why they fail, and how to convert each one to Unicode for free.
The best AI tools for writing, research, images, coding, voice and video — picked by what you actually want to do. Plus the free tools that clean up, convert and finish whatever your AI generates.
Email attachments are capped at ~25 MB. Here's how to send large files for free with a shareable link — no signup, no software, files auto-delete after 3 days.
Clean up lists and text by removing repeated lines while keeping the first of each.
Turn titles into clean, SEO-friendly URL slugs that are easy to read, share and rank.
Generate a free Code 128 barcode as a crisp SVG for labels, products and inventory.
Turn Markdown into clean HTML you can paste straight into a website, email or CMS.
Test and debug JavaScript regex against sample text, with flags and live match results.
Bundle multiple files into a single ZIP archive right in your browser — nothing uploaded to a server.
Trim an MP3 by start and end time right in your browser — no upload, no software, no watermark.
Convert between popular world currencies using free, up-to-date exchange rates.
Convert length, weight, area and data units instantly with accurate, standard conversion factors.
Work out a percentage of a number, what percent one number is of another, and percentage increase or decrease.
Find your exact age in years, months and days from your date of birth — and on any date you choose.
Understand EMI and calculate your monthly loan payment, total interest and total cost in seconds.
Generate strong, random passwords and learn what actually makes a password hard to crack. Free and fully in your browser.
Create correctly sized passport and visa photos from any image. Pick a country preset, adjust the crop, and download in seconds.
Looking for a free Smallpdf or iLovePDF alternative without daily limits or watermarks? Here's how Kinsutools compares — and why browser-based PDF tools are more private.
The best free online tools to convert between PDF, Word, Excel, CSV, JSON and image formats — no software, no account, and your files never leave your browser.
Build beautiful CSS gradients visually, then copy the ready-to-use code into your website — free gradient generator.
Pull plain, copyable text out of any PDF in seconds — perfect for quoting, reusing, or searching content.
Resize photos and graphics to exact dimensions for social media, websites, and profiles — without losing quality.
Turn spreadsheet-style CSV data into clean JSON for APIs and apps — instantly, in your browser.
Beautify messy JSON, catch syntax errors, and make data readable with a free online JSON formatter and validator.
Generate a QR code for a link, text, email, Wi-Fi and more — free, instant, and downloadable as a high-resolution image.
Extract the audio from any video and save it as an MP3 — right in your browser, with nothing uploaded to a server.
Convert a Word document (.docx) to a clean, shareable PDF in seconds — keep your formatting and share with anyone.
Turn a PDF into an editable Word document in your browser. Extract the text into a .docx file you can edit — free, no sign-up.
When do you actually need Base64 encoding? This practical guide covers real use cases — data URLs, API authentication, JWT tokens, and how to encode and decode online.
Image SEO is one of the most overlooked ranking factors. This checklist covers file names, alt text, compression, formats, and structured data to help your images rank.
JSON is the universal data format for APIs and web apps. Learn how to read it, write it correctly, and validate it without any programming knowledge.
PDF too large to email or upload? Here are 5 proven methods to reduce PDF file size — from quick online compression to advanced optimization techniques.
Adobe Acrobat costs up to $360 per year. For most people, free online alternatives handle everyday PDF tasks just as well — with zero installation.
WebP promises smaller files and better quality than JPG — but should you switch? We break down the real differences and when to use each format.
Uncompressed images are the #1 cause of slow websites. Learn the right settings, formats, and workflow to compress images without hurting quality.
A roundup of the best free online PDF tools for merging, splitting, compressing, and converting PDFs — no installation, no sign-up needed.
Understand Base64 encoding, when to use it, and how to encode or decode strings online for free.
Extract specific pages or page ranges from any PDF document — no software, no sign-up needed.
A clear comparison of the three most common image formats and when to use each one for photos, graphics, and the web.
Extract pages from a PDF and save them as high-quality JPG images — free and instant.
Reduce image file size for websites, social media and email — while keeping images sharp and clear.
Combine multiple PDF documents into one file in seconds. No sign-up, no software required.
Learn how to reduce PDF file size for email, uploading, and sharing — without visible quality loss.
Step-by-step guide to converting JPG, PNG and WebP images into a PDF file. No software needed — works in any browser.
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