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Straight answers to the questions people actually ask, each with the free, no-signup tool that does the job in your browser.

PDF

How can I compress a PDF for free without uploading it?

Use a browser-based PDF compressor that shrinks the file entirely on your own device, so the document is never sent to a...

What is the best way to merge PDF files for free?

Combine PDFs with a browser-based merge tool that joins the files on your own device instead of uploading them. It is fr...

How do I split a PDF into separate pages for free?

Use a browser-based PDF splitter that pulls the page range you want out of the file and saves it as a new PDF, entirely ...

How do I rotate a PDF and save it permanently?

Open the PDF in a browser-based rotation tool, turn every page or just the selected ones by 90, 180 or 270 degrees, and ...

How do I convert PDF pages to JPG or PNG images for free?

Use a browser-based PDF to image converter that renders each page of the PDF as a JPG or PNG picture on your own device....

How do I combine photos into one PDF for free?

Add your JPG or PNG photos to a browser-based image to PDF tool, drag them into the order you want, and download a singl...

How do I delete pages from a PDF for free?

Use a browser-based tool that removes the pages you pick and gives you a trimmed copy of the PDF to download. It runs en...

How do I rearrange the pages in a PDF for free?

Open the PDF in a browser-based reorder tool, drag the page thumbnails into the order you want, and download the rearran...

How do I extract the text from a PDF for free?

Use a browser-based PDF text extractor that pulls the plain text out of the document on your own device, then copy it or...

What is the best free PDF splitter?

The best free PDF splitter is one that works without an account, adds no watermark, and does the splitting on your own d...

What is a free alternative to PDF24 that does not upload my files?

For everyday jobs like merging, splitting and compressing PDFs, browser-based tools that process the file on your own de...

What is a free alternative to Adobe Acrobat online PDF tools?

For the common tasks, compressing, merging, rotating and splitting PDFs, browser-based tools that run on your own device...

Images

How do I compress an image without losing quality?

Use a browser-based image compressor that lets you dial in the quality level and re-encodes the picture on your device. ...

How can I resize an image online for free?

Resize a picture with a browser-based tool where you set the exact width and height in pixels and it scales the image on...

How do I convert an SVG to PNG for free?

Use a browser-based SVG to PNG converter that rasterizes the vector file on your own device and lets you export at 1x up...

How do I convert an image to Base64 for CSS or HTML?

Drop the image into a browser-based Base64 converter and it produces a data URI you can paste straight into an img tag o...

How do I reduce a photo's file size so I can email it?

Run the photo through a free browser-based image compressor, which re-encodes it at a quality you choose and shows you t...

How do I convert a WebP image to PNG?

Open the WebP file in a browser-based converter and save it as a PNG in one click, with the conversion done entirely on ...

How do I crop a photo into a circle for a profile picture?

Use a free browser-based circle crop tool that cuts the photo into a perfect circle with a transparent background and sa...

How do I mirror or flip an image online for free?

Use a browser-based rotate and flip tool to mirror the picture horizontally, flip it vertically, or turn it in 90 degree...

How do I add a text watermark to a photo for free?

Use a browser-based tool that puts your text on the image and lets you set the wording, size, color, opacity and positio...

What is the best free way to convert images to WebP?

The best free route is a browser-based converter that re-encodes your JPG or PNG to WebP at a quality you choose and sho...

What is the best free image resizer?

The best free image resizer gives you exact pixel control without uploading your picture anywhere. A browser-based resiz...

Generators

Developer

What is the best free JSON formatter and validator?

A good free JSON formatter beautifies and validates your JSON instantly in the browser, without pasting sensitive payloa...

How do I decode a JWT token safely?

Decode a JWT with a browser-based decoder that parses the token on your own device, so the token and its claims are neve...

How do I encode and decode Base64 in the browser?

Use a browser-based Base64 tool that encodes or decodes the text instantly on your own device. That matters more than it...

How do I generate a UUID v4?

Use a browser-based UUID generator that creates version 4 UUIDs on your device using the browser's cryptographically sec...

How do I generate a SHA-256 hash of a text string?

Paste the text into a browser-based hash generator and it computes the SHA-256 digest locally using the Web Crypto API b...

How can I test a regular expression without installing anything?

Open a browser-based regex tester, type your pattern and paste sample text, and matches are highlighted live as you edit...

How do I URL-encode a string?

Paste the string into a browser-based URL encoder and it percent-encodes every character that is not safe in a URL, so a...

How do I convert a Unix timestamp to a date?

Paste the timestamp into a browser-based converter and it shows the human-readable date and time instantly, in UTC and y...

How do I diff two blocks of text to see what changed?

Paste both versions into a browser-based text diff tool and it highlights every added, removed and changed line side by ...

How do I convert Markdown to HTML?

Paste the Markdown into a browser-based converter and it renders the equivalent HTML instantly, ready to copy into a pag...

How do I make a URL slug from a title?

Paste the title into a browser-based slug generator and it lowercases the text, strips punctuation and accents, and join...

How do I generate a robots.txt file for my website?

Use a browser-based robots.txt generator to pick which crawlers may access which paths, then place the generated file at...

What is a free alternative to JSONLint?

If you want a JSON validator that also formats, try a browser-based JSON formatter and validator: it checks the syntax, ...

How do I format a SQL query online safely?

Use a browser-based SQL formatter that indents and re-cases the query entirely on your device. Safety is the point: real...

How do I figure out what a cron expression means?

Paste the expression into a browser-based cron parser and it translates the five fields into plain English, like "0 3 * ...

How do I convert JSON to TypeScript types?

Paste a sample JSON payload into a browser-based JSON-to-TypeScript converter and it generates matching interface defini...

How do I generate lorem ipsum placeholder text?

Use a browser-based lorem ipsum generator to produce as many words, sentences or paragraphs of placeholder text as you n...

What is the best free hash generator?

The best free hash generator computes the hash on your own device, because the text you hash is often exactly the kind o...

What is the best free UUID generator?

The best free UUID generator produces cryptographically random v4 UUIDs, one at a time or in bulk, right in your browser...

What is the best free text diff tool?

The best free text diff tool compares two blocks of text line by line and shows exactly which lines were added, removed ...

Alternatives

What is a good free alternative to TinyPNG?

If you want a free image compressor that does not upload your pictures, use a browser-based compressor instead of TinyPN...

What is a free alternative to iLovePDF?

For common PDF jobs like merging, splitting and compressing, a browser-based PDF toolkit is a free alternative to iLoveP...

What is a free alternative to Smallpdf?

A browser-based PDF toolkit is a free alternative to Smallpdf for merging, splitting and compressing PDFs, and it keeps ...

What is a free alternative to CloudConvert for image conversions?

CloudConvert is a cloud converter: your file is sent to its service to be converted, and its free plan allows only a lim...

What is a free alternative to Zamzar?

Zamzar converts files by having you upload them to its servers, and its own site caps free uploads at 50MB. For image co...

What is a free alternative to WordCounter.net without ads?

WordCounter.net is a free word counting site that is supported by advertising and offers an account for extra features. ...

What is a free alternative to iLoveIMG?

iLoveIMG processes images in the cloud: its own FAQ explains that files are kept on its servers so you can download the ...

What is a free alternative to Diffchecker?

Diffchecker is a popular comparison tool with a paid Pro plan: removing ads is listed among its Pro features, and saving...

What is a free alternative to Canva for making a QR code?

Canva can make QR codes, but the generator lives inside the Canva editor, so you need a Canva account and a design open ...

What is a free alternative to Bitly for QR codes?

Bitly’s QR codes are dynamic: creating one starts with signing in to a Bitly account, the code points at a Bitly link th...

Is there an offline alternative to random.org?

random.org is a genuinely free service that generates true random numbers from atmospheric noise on its own servers and ...

What is a free alternative to Photoshop for simple image edits?

Photoshop is professional software sold by paid subscription, which is a lot to take on if all you need is to resize, cr...

Is there a free alternative to paid PDF software for merging and splitting?

Yes. Merging, splitting and reordering PDF pages do not need a paid PDF suite: free browser-based tools do those jobs on...

Is there a free alternative to paid barcode software?

If you just need a scannable barcode image, you do not need to buy label-design software. A free browser-based generator...

Converters

How do I convert centimeters to inches?

Divide the number of centimeters by 2.54 to get inches, since one inch equals exactly 2.54 cm. A free converter does it ...

How do I convert kilograms to pounds?

Multiply the kilograms by 2.20462. So 5 kg is about 11.02 lbs and 70 kg is about 154.32 lbs. A free converter gives the ...

How do I convert pounds to kilograms?

Multiply the pounds by 0.45359237, or equivalently divide by 2.20462. So 150 lbs is about 68.04 kg and 10 lbs is about 4...

How do I convert inches to centimeters?

Multiply the inches by 2.54, because one inch is defined as exactly 2.54 centimeters. So 5 inches is 12.7 cm and 12 inch...

How do I convert millimeters to inches?

Divide the millimeters by 25.4, because one inch is exactly 25.4 mm. So 10 mm is about 0.3937 inches and 50 mm is about ...

How do I convert Fahrenheit to Celsius?

Subtract 32, then multiply by 5/9: C = (F - 32) x 5/9. For example, 68 F minus 32 is 36, and 36 x 5/9 = 20 C. A free con...

How do I convert Celsius to Fahrenheit?

Multiply by 9/5, then add 32: F = C x 9/5 + 32. For example, 25 C x 9/5 is 45, plus 32 makes 77 F. A free converter runs...

What is 100 degrees Fahrenheit in Celsius?

100 F is about 37.78 C. Using the formula C = (F - 32) x 5/9: 100 minus 32 is 68, and 68 x 5/9 = 37.777..., which rounds...

How do I convert miles to kilometers?

Multiply the miles by 1.609344, since one mile is defined as exactly 1.609344 km. So 5 miles is about 8.05 km and 10 mil...

How do I convert kilometers to miles?

Multiply the kilometers by 0.621371, or divide by 1.609344. So 5 km is about 3.11 miles and 10 km is about 6.21 miles. A...

How many tablespoons are in a cup?

There are 16 tablespoons in one US cup. That means a half cup is 8 tablespoons, a quarter cup is 4 tablespoons, and sinc...

How do I convert cups to milliliters?

Multiply the number of US cups by 236.588, so one US cup is about 237 ml and two cups are about 473 ml. Note that a metr...

What is the best free unit converter?

The best free unit converter gives instant results as you type, uses the exact standard conversion factors, and works wi...

Data

Calculators

How do I calculate what percentage one number is of another?

Divide the part by the whole and multiply by 100. For example, 45 out of 180 is 45 divided by 180 = 0.25, which is 25 pe...

How do I calculate the percentage increase or decrease between two numbers?

Subtract the old value from the new value, divide by the old value, and multiply by 100. Going from 80 to 100 is (100 - ...

How do I calculate a tip on a restaurant bill?

Multiply the bill by the tip rate as a decimal. On a 60 dollar bill, 15 percent is 9.00, 18 percent is 10.80, and 20 per...

How do I calculate my monthly mortgage payment?

The principal and interest payment comes from the standard amortization formula: M = P x [r(1+r)^n] / [(1+r)^n - 1], whe...

How do I calculate the monthly payment on a loan?

Use the amortization formula M = P x [r(1+r)^n] / [(1+r)^n - 1], where P is the amount borrowed, r is the monthly rate (...

How do I calculate my BMI?

BMI is your weight in kilograms divided by your height in meters squared: BMI = kg / m2. For example, 70 kg at 1.75 m is...

How do I calculate age from a date of birth?

Subtract the birth year from the current year, then subtract one more if the birthday has not happened yet this year. So...

How do I calculate the price after a discount?

Multiply the original price by (1 minus the discount as a decimal). An 80 dollar item at 25 percent off is 80 x 0.75 = 6...

How do I calculate the square footage of a room?

Measure the length and width in feet and multiply them: a 12 ft by 10 ft room is 120 square feet. For L-shaped or irregu...

What is the best free mortgage calculator?

The best free mortgage calculator computes the standard principal and interest formula instantly in your browser, lets y...

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