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Developer tools / Base64 converter6 tools

Best Base64 encoders and decoders

Encode and decode Base64 text and files. Facts come from each tool's own pages, and every score says where it comes from. How we rank

Tools
6
Researched
3
Free option
2
Only listed
3

Ranked by signals we can measure or quote: website health, the facts each tool's own pages state, and community discussion. Nothing here has been hands-on tested yet, so this is not a quality test. How the signals rank works

Quick answer

  • No signup needed: Base64 Encode

Based on what each tool's own pages say. A tool is left out when its pages say it varies or do not say. Details are listed under each tool.

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Want two of these head to head? Compare tools side by side.

  • 1

    10015 Tools

    Free optionSignup unclearFile handling unclearHealth 3.6
    Open 10015 Tools
    Details and sources
    Free tier
    The home page calls the site a free all-in-one toolbox and says some tools are free. It does not say every tool is free and shows no limits.
    Paid plan
    Not stated. The site has no pricing page link; the only money link is a Buy Me A Coffee support link.
    Signup
    Not stated. The home page mentions no sign-ups for one unrelated tool only; the privacy page has a Sign in link but does not describe accounts.
    Watermark
    Not applicable.
    Where files go
    The home page says some tools (for example PDF tools) run fully in the browser and the file never leaves it. The privacy policy does not say whether tool inputs are processed in the browser or sent to servers, and gives no retention period.

    From the tool's own pages, checked 2026-11-01. Sources: Home page, Privacy policy, Terms of use. Prices and limits change; check the tool before you rely on them.

    Full page for 10015 Tools

  • 2

    Code Beautify

    UnclearSignup unclearFile handling unclearHealth 3.8
    Open Code Beautify
    Details and sources
    Free tier
    Not stated. The pages show no pricing or premium tiers and do not say whether the tools are free.
    Paid plan
    Not stated.
    Signup
    Not stated. Login is mentioned for saving links and keeping saved data private; the pages do not say an account is needed to use the tools.
    Watermark
    Not stated.
    Where files go
    Privacy policy says 99% of tools process data in the browser using JavaScript. It says no data is stored unless the user uses the Save Online feature. For uploads and URL loading, data goes between server and client, and uploaded files are deleted immediately or by a scheduled job. Public saved data can be indexed by Google.

    From the tool's own pages, checked 2026-11-01. Sources: Home page, Privacy policy. Prices and limits change; check the tool before you rely on them.

    Full page for Code Beautify

  • 3

    Base64 Encode

    Free optionNo signupFile handling unclear—
    Open Base64 Encode
    Details and sources
    Free tier
    Free to use, including file uploads (up to 100MB) and live mode (UTF-8 only). No pricing mentioned.
    Paid plan
    Not stated.
    Signup
    No account needed.
    Watermark
    Not stated.
    Where files go
    Live mode encodes in the browser with nothing sent to servers. Standard encoding sends input to the site's servers and files are uploaded. Uploaded files are deleted once processed; results are removed after first download or 15 minutes of inactivity.

    From the tool's own pages, checked 2026-11-01. Sources: Home page, Privacy. Prices and limits change; check the tool before you rely on them.

    Full page for Base64 Encode

Answers come from each tool's own pages (“Unclear” means they do not say). Tick “Compare” on two to four tools to read them side by side.

Also listed (3, not yet tested)

Each of these answered when we visited its site. We have not tested them or recorded facts, so they are in alphabetical order, not ranked.

  • Base64 Decode

    Base64 Decode is listed for: base64 converter.

    Open
  • Base64.guru

    Almost everything about Base64 for those who want to convert, develop, or learn the most popular binary-to-text algorithm

    Open
  • emn178 Online Tools

    Free browser-based tools for hashing, encoding, encryption, formatting, compression, file processing, QR codes, UUIDs, JSON, XML, and more.

    Open

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