These 14 free tools, I regret knowing too late!

Mondo Technology Updated on 2024-01-29

Amway todayfreeware tools,Includes 7 PC software and 7***, are free and practical, very easy to use.

The use scenarios are very rich, including: computer long screenshots, offline OCR text recognition, vocal separation, **separation, editing PDF text content, PDF watermark removal, LAN file transfer, batch creation of folders, batch compression, mind map making, text-to-speech, text generation image, computer memory optimization, screen recording, PDF conversion, chart making, **generating guitar tabs, **retrieval, etc.

pixpin

pixpin is a completely free computer screenshot software and multi-office softwareThe software supports Windows.

It is currently completely free, minimalist and clean, very lightweight, smooth and comfortable to use, rich in features, and supports functions including: computer screenshots, area recognition screenshots, truncated images, stickers, continue to take screenshots after stickers, GIF recording, offline OCR text recognition, screenshot annotation editing, and color picking.

It's easy to get started and very simple to use, the default shortcut key Ctrl+1 can start taking a screenshot, and the color picking function can be seen by moving the mouse, which can help you extract any color of the computer screen.

It supports the region recognition screenshot function, move the mouse to a certain area, support automatic recognition of this area, and then you can realize quick screenshots.

It supports the long screenshot function of the computer, supports long screenshots in landscape orientation, and also supports long screenshots in portrait orientation.

It supports the sticker function, which allows you to pin screenshots to the computer screen, and supports pinning multiple screenshots to the computer screen at the same time.

It supports offline OCR text recognition function, right-click on the screenshot on the computer screen, you can see the Select All Text button, and then you can copy the selected text, or you can swipe the text content on the map, and then right-click to copy the selected text.

It supports annotation editing function, which can be seen in the gif recording, stickers, and screenshot interfaces, which can be edited and annotated when GIF is recorded, and can also be edited and annotated on textures and screenshots.

Among them, the annotation editing functions include: geometric shapes, polylines, arrows, serial numbers, pencils, markers, text, mosaics, erasers, etc.

Right-click the taskbar icon to see the configuration button, and the options supported by the settings include: theme appearance, save path, copy text single line layout, copy text multiline layout, screenshot display guides, shortcut keys for screenshots and stickers, etc.

Overall, it's free and easy to use, and it's powerful enough to improve your work and Xi efficiency.

pdfgear

PDFGEAR is a completely free computer PDF editing and PDF conversion softwareThe software supports Windows and macOS.

It is easy to use, no registration and login required, simple design, comprehensive and rich functions, and you can import PDF files by clicking the open file button.

It supports PDF annotation functions, including: text highlighting, area highlighting, strikethrough, underline, rectangle, straight line, ellipse, brush, insert text, text box, sticky notes, stamps, support to set color, line thickness, text size, etc.

It supports editing PDF text content, merging and splitting PDFs, extracting and deleting PDF pages, and also supports adding**, inserting pages, cropping pages, setting passwords, clearing passwords, creating new watermarks, removing watermarks, page numbers, headers and footers, compressing.

Among them, PDF compression, PDF watermark removal, PDF password removal, PDF edit text content, PDF OCR extract text content, PDF merge and split are all very practical.

In addition to the powerful PDF editing features, it also supports the PDF reading feature and supports multiple PDF reading options.

Finally, it also supports dozens of PDF conversion features, including: PDF to Word, Word to PDF, PDF to Excel, Excel to PDF, PDF to PPT, PPT to PDF, PDF to **, to PDF, TXT to PDF, PDF to XML, etc.

Lightning vine

Lightning Vine is a completely free LAN file transfer softwareThe software supports Windows, macOS, Linux, Android, iOS.

Its main features include: no need to connect to the Internet, no need to log in, no device limit, no file size limit, multi-terminal file transfer, no speed limit, extremely fast transfer speed, safe and stable.

It's very simple to use, you know how to operate when you open the software, and it supports sending text messages, files, documents, documents, archives, folders, and clipboard synchronization.

It uses chat-based conversational transfer, all transfer records are clear at a glance, and it also supports the transfer history function, which can see the previously transferred files and the directory where the files are located.

It's small and very lightweight, and it also supports features such as: theme settings, quick file reception, setting file saving directories, and clearing records.

elpy

elpy is a completely free computer white noise software and computer focus software;The software supports Windows.

It is completely free, no need to register and log in, no need to connect to the Internet, nothing superfluous, small and fresh style, very high appearance, can help you meditate, but also can help you focus on Xi and work.

It supports 19 types of white noise, and supports 3 kinds of white noise at the same time, that is, it supports any combination of 3 kinds of white noise, and supports setting the volume of each type of white noise.

It supports saving white noise combinations, and the software also presets 6 white noise combinations, which can be seen by clicking the button in the upper right corner.

Finally, click the clock button in the upper right corner to set a timer, including: 15 minutes, 30 minutes, 45 minutes, 60 minutes, etc., which can help you time** white noise.

Extremely fast** compressor

Extreme Speed Compressor is a completely free batch compression software and format conversion software for computersThe software supports Windows.

It's completely free, no need to register and log in, the interface is simple and fresh, very intuitive, and the supported features include: batch compression, batch format conversion, etc.

Among them, the batch compression function supports the maximum single volume up to 10GB, and there is no limit to the total number and total volume, no need to connect to the Internet, completely local compression operation, protect your **file security, the compression speed is extremely fast, and it can also maintain a good compression quality.

It supports a variety of formats including: jpg, jpeg, png, webp, heif, tiff, tif, etc., support setting the resolution and maintaining the original aspect ratio, support setting the compression quality, support setting the conversion format, support setting the number of simultaneous compression, and support setting whether to retain the exif value.

Finally, it also supports setting the prefix and suffix of **.

wise memory optimizer

Wise Memory Optimizer is a completely free computer memory optimization softwareThe software supports Windows.

It is completely free, concise and clean, simple to use, has a visual interface, and has a high appearance, which can help you release occupied memory, organize memory, empty standby memory, release and optimize memory occupied by useless programs, and improve system performance with one click.

Open the software is very intuitive, you can see the used memory and available memory, click the Optimize Now button to start cleaning up the memory, click the settings button in the upper right corner, and also support setting to automatically optimize memory.

folder creator

Folder Creator is a completely free software for creating folders in bulk on your computerThe software supports Windows.

It's completely free, small and easy to use, only 30kb, minimalist design, very smooth;It is easy to use, open the software from top to bottom to set the following options: folder creation location, folder prefix name, folder name starting number, number of folders to be created.

After the settings are completed, click the Create button to create folders in batches with one clickIt is used in conjunction with file batch renaming software to achieve more features

tme studio

TME Studio is a **separation** and *** authoring assistant tool launched by Tencent**.

It's free and easy to use, and the functions it supports include: **separation, calculating audio information, auxiliary lyrics, and smart music scores, each of which is very easy to use and has excellent results.

Among them, the separation function is particularly practical, which can not only help you separate the vocals, but also separate the piano sounds, guitar sounds, bass sounds, drum sounds, and other sounds, each sound has a separate track, supports the sound of only one track, supports extracting the sound of this track, and supports extracting the sound of all tracks.

In other words, this feature can help you separate the vocals from other voices and export the separated voices.

The function of calculating audio information supports extracting the sample rate, bit depth, bpm, rhythm, beat, tonality, chord progression, drum beat recognition, chorus recognition, etc.

Auxiliary word writing supports entering Chinese words, and finds rhyming words and words related to artistic conception for you, including: single rhyme, double rhyme, and multiple rhyme.

Smart Sheet Music supports the intelligent generation of guitar scores, ukulele scores, and piano scores, as well as AB repetition, metronome, rhythm, and background sound settings.

tts-online

TTS-Online is a completely free text-to-speech***

It's completely free, self-explanatory, easy to use, simple to use, with more than 160 built-in sounds, very real and natural, full of emotion, suitable for multiple scenarios, including: commentary, dialects, foreign languages, two-dimensional, etc.

It supports direct audition sounds, including English, Russian, French, German, Italian, Spanish, Portuguese, Korean, Japanese.

It can enter up to 3000 words at a time, enter the text content, select a sound, select the audio generation format, click the generate button, and finally you can listen to the generated audio, or you can ** generated audio.

zhimap

Zhimap is a completely free mind map maker***

It's completely free, simple and beautiful, the painting style is good-looking, and it supports multiple small icon materials, including: numbers, progress, expressions, tags, supports inserting** and links, supports setting line colors, node notes, copy and paste cut nodes, add parent nodes, add subordinate nodes, and delete nodes.

It supports folding and expanding nodes, and supports setting text content styles, including: text size, text color, text bold, italics, and underline.

It supports inserting mathematical formulas, supports latex characters and formula cheat sheets, and can help you easily import complex formulas and symbols, including: separators, functions, cosmetic annotations, block formulas, etc.

It supports changing the theme of the mind map, supports the history function, supports the map community section, and supports exporting the mind map in a variety of formats, including: HD**, PDF files, Word files, etc.

Overall, it's completely free, with a lot of setup options, and you only need a simple operation to make a beautiful mind map.

There are all kinds of senses

Tongyi Wanxiang is a free AI painting from Alibaba***

It's free to use, easy to use, simple to use, excellent results, very fast processing, and supports creative drawing functions, including: text generation images, similar image generation, and image style transfer.

Its Chinese generated images support input text description, support for selecting painting style and ** ratio, painting styles include: watercolor, oil painting, sketch, 3D **, etc., providing a very detailed tutorial to help you better use this function.

Similar image generation supports uploading**, generating similar **;Image style migration supports uploading two **, one original image and one style map, which can realize image style migration.

It also supports functions including: graffiti painting, photo studio, virtual model, among which graffiti painting can achieve text description plus hand-drawn graffiti, generating concrete**.

Chartcube

ChartCube is a completely free chart maker***

It's completely free, easy to use, no need to register and log in, help you quickly get the chart creation between drags and drops, click the Make Chart Now button, and then you need to upload data, select the chart, configure the chart, and finally export the chart.

The uploaded data supports CSV, Excel, and JSON formats, and the selected charts include: line chart, ladder chart, area chart, stacked area chart, column chart, grouped column chart, stacked column chart, bar chart, waterfall chart, pie chart, ring chart, bubble chart, water wave chart, radar chart, scatter chart, heat map, etc.

Configuring charts allows you to edit chart data, width, height, title, canvas, legend, and graph properties.

The chart export feature supports PNG, SVG, and JPG formats, as well as CSV format and CSV format.

PubScholar public welfare academic platform

PubScholar Public Welfare Academic Platform is an academic resource retrieval launched by the Chinese Academy of Sciences

It is free to use and supports features including: retrieval, data aggregation, support for direct search, including: topics, titles, keywords, also support advanced search and professional search, supported search results include: scientific data, etc.

** Screen recording

*Screen Recording is a completely free **Screen Recording**.

It's completely free, and you don't need to install any software, so you can easily record your computer screen, and you can record the entire screen, application windows, and browser tabs.

It is easy to get started, supports selecting recording content, including: camera plus microphone, whole screen, whole screen plus microphone, tabs, application window, and supports setting recording file formats, including: mp4, gif, mkv.

It also supports setting 4K resolution recording, frame rate, etc., supports pausing recording, recording is finished, click the stop recording button, you can see the save button and the open in a new window button.

Click the Save button to save the recorded file to your computer.

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